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Every other change for DynamoDBStreamsKinesis Adapter Compatibility

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This commit is contained in:
Nicholas Gutierrez 2022-08-02 11:48:53 -07:00
parent 8dceb3f80f
commit d33fcce5f1
27 changed files with 217 additions and 2198 deletions
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10
src/main/java/com/amazonaws/services/kinesis/clientlibrary/lib/worker/AsynchronousGetRecordsRetrievalStrategy.java
View file

@ -45,24 +45,24 @@ public class AsynchronousGetRecordsRetrievalStrategy implements GetRecordsRetrie
private static final int TIME_TO_KEEP_ALIVE = 5; private static final int TIME_TO_KEEP_ALIVE = 5;
private static final int CORE_THREAD_POOL_COUNT = 1; private static final int CORE_THREAD_POOL_COUNT = 1;
private final KinesisDataFetcher dataFetcher; private final IDataFetcher dataFetcher;
private final ExecutorService executorService; private final ExecutorService executorService;
private final int retryGetRecordsInSeconds; private final int retryGetRecordsInSeconds;
private final String shardId; private final String shardId;
final Supplier<CompletionService<DataFetcherResult>> completionServiceSupplier; final Supplier<CompletionService<DataFetcherResult>> completionServiceSupplier;
public AsynchronousGetRecordsRetrievalStrategy(@NonNull final KinesisDataFetcher dataFetcher, public AsynchronousGetRecordsRetrievalStrategy(@NonNull final IDataFetcher dataFetcher,
final int retryGetRecordsInSeconds, final int maxGetRecordsThreadPool, String shardId) { final int retryGetRecordsInSeconds, final int maxGetRecordsThreadPool, String shardId) {
this(dataFetcher, buildExector(maxGetRecordsThreadPool, shardId), retryGetRecordsInSeconds, shardId); this(dataFetcher, buildExector(maxGetRecordsThreadPool, shardId), retryGetRecordsInSeconds, shardId);
} }
public AsynchronousGetRecordsRetrievalStrategy(final KinesisDataFetcher dataFetcher, public AsynchronousGetRecordsRetrievalStrategy(final IDataFetcher dataFetcher,
final ExecutorService executorService, final int retryGetRecordsInSeconds, String shardId) { final ExecutorService executorService, final int retryGetRecordsInSeconds, String shardId) {
this(dataFetcher, executorService, retryGetRecordsInSeconds, () -> new ExecutorCompletionService<>(executorService), this(dataFetcher, executorService, retryGetRecordsInSeconds, () -> new ExecutorCompletionService<>(executorService),
shardId); shardId);
} }
AsynchronousGetRecordsRetrievalStrategy(KinesisDataFetcher dataFetcher, ExecutorService executorService, AsynchronousGetRecordsRetrievalStrategy(IDataFetcher dataFetcher, ExecutorService executorService,
int retryGetRecordsInSeconds, Supplier<CompletionService<DataFetcherResult>> completionServiceSupplier, int retryGetRecordsInSeconds, Supplier<CompletionService<DataFetcherResult>> completionServiceSupplier,
String shardId) { String shardId) {
this.dataFetcher = dataFetcher; this.dataFetcher = dataFetcher;
@ -148,7 +148,7 @@ public class AsynchronousGetRecordsRetrievalStrategy implements GetRecordsRetrie
} }
@Override @Override
public KinesisDataFetcher getDataFetcher() { public IDataFetcher getDataFetcher() {
return dataFetcher; return dataFetcher;
} }
} }

4
src/main/java/com/amazonaws/services/kinesis/clientlibrary/lib/worker/BlockOnParentShardTask.java
View file

@ -30,7 +30,7 @@ import com.amazonaws.services.kinesis.leases.interfaces.ILeaseManager;
* If we don't find a checkpoint for the parent shard(s), we assume they have been trimmed and directly * If we don't find a checkpoint for the parent shard(s), we assume they have been trimmed and directly
* proceed with processing data from the shard. * proceed with processing data from the shard.
*/ */
class BlockOnParentShardTask implements ITask { public class BlockOnParentShardTask implements ITask {
private static final Log LOG = LogFactory.getLog(BlockOnParentShardTask.class); private static final Log LOG = LogFactory.getLog(BlockOnParentShardTask.class);
private final ShardInfo shardInfo; private final ShardInfo shardInfo;
@ -45,7 +45,7 @@ class BlockOnParentShardTask implements ITask {
* @param leaseManager Used to fetch the lease and checkpoint info for parent shards * @param leaseManager Used to fetch the lease and checkpoint info for parent shards
* @param parentShardPollIntervalMillis Sleep time if the parent shard has not completed processing * @param parentShardPollIntervalMillis Sleep time if the parent shard has not completed processing
*/ */
BlockOnParentShardTask(ShardInfo shardInfo, public BlockOnParentShardTask(ShardInfo shardInfo,
ILeaseManager<KinesisClientLease> leaseManager, ILeaseManager<KinesisClientLease> leaseManager,
long parentShardPollIntervalMillis) { long parentShardPollIntervalMillis) {
this.shardInfo = shardInfo; this.shardInfo = shardInfo;

635
src/main/java/com/amazonaws/services/kinesis/clientlibrary/lib/worker/ConsumerStates.java
View file

@ -1,635 +0,0 @@
/*
* Copyright 2019 Amazon.com, Inc. or its affiliates.
* Licensed under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.amazonaws.services.kinesis.clientlibrary.lib.worker;
/**
* Top level container for all the possible states a {@link ShardConsumer} can be in. The logic for creation of tasks,
* and state transitions is contained within the {@link ConsumerState} objects.
*
* <h2>State Diagram</h2>
*
* <pre>
* +-------------------+
* | Waiting on Parent | +------------------+
* +----+ Shard | | Shutdown |
* | | | +--------------------+ Notification |
* | +----------+--------+ | Shutdown: | Requested |
* | | Success | Requested +-+-------+--------+
* | | | | |
* | +------+-------------+ | | | Shutdown:
* | | Initializing +-----+ | | Requested
* | | | | | |
* | | +-----+-------+ | |
* | +---------+----------+ | | Shutdown: | +-----+-------------+
* | | Success | | Terminated | | Shutdown |
* | | | | Zombie | | Notification +-------------+
* | +------+-------------+ | | | | Complete | |
* | | Processing +--+ | | ++-----------+------+ |
* | +---+ | | | | | |
* | | | +----------+ | | | Shutdown: |
* | | +------+-------------+ | \ / | Requested |
* | | | | \/ +--------------------+
* | | | | ||
* | | Success | | || Shutdown:
* | +----------+ | || Terminated
* | | || Zombie
* | | ||
* | | ||
* | | +---++--------------+
* | | | Shutting Down |
* | +-----------+ |
* | | |
* | +--------+----------+
* | |
* | | Shutdown:
* | | All Reasons
* | |
* | |
* | Shutdown: +--------+----------+
* | All Reasons | Shutdown |
* +-------------------------------------------------------+ Complete |
* | |
* +-------------------+
* </pre>
*/
class ConsumerStates {
/**
* Enumerates processing states when working on a shard.
*/
enum ShardConsumerState {
// @formatter:off
WAITING_ON_PARENT_SHARDS(new BlockedOnParentState()),
INITIALIZING(new InitializingState()),
PROCESSING(new ProcessingState()),
SHUTDOWN_REQUESTED(new ShutdownNotificationState()),
SHUTTING_DOWN(new ShuttingDownState()),
SHUTDOWN_COMPLETE(new ShutdownCompleteState());
//@formatter:on
private final ConsumerState consumerState;
ShardConsumerState(ConsumerState consumerState) {
this.consumerState = consumerState;
}
public ConsumerState getConsumerState() {
return consumerState;
}
}
/**
* Represents a the current state of the consumer. This handles the creation of tasks for the consumer, and what to
* do when a transition occurs.
*
*/
interface ConsumerState {
/**
* Creates a new task for this state using the passed in consumer to build the task. If there is no task
* required for this state it may return a null value. {@link ConsumerState}'s are allowed to modify the
* consumer during the execution of this method.
*
* @param consumer
* the consumer to use build the task, or execute state.
* @return a valid task for this state or null if there is no task required.
*/
ITask createTask(ShardConsumer consumer);
/**
* Provides the next state of the consumer upon success of the task return by
* {@link ConsumerState#createTask(ShardConsumer)}.
*
* @return the next state that the consumer should transition to, this may be the same object as the current
* state.
*/
ConsumerState successTransition();
/**
* Provides the next state of the consumer when a shutdown has been requested. The returned state is dependent
* on the current state, and the shutdown reason.
*
* @param shutdownReason
* the reason that a shutdown was requested
* @return the next state that the consumer should transition to, this may be the same object as the current
* state.
*/
ConsumerState shutdownTransition(ShutdownReason shutdownReason);
/**
* The type of task that {@link ConsumerState#createTask(ShardConsumer)} would return. This is always a valid state
* even if createTask would return a null value.
*
* @return the type of task that this state represents.
*/
TaskType getTaskType();
/**
* An enumeration represent the type of this state. Different consumer states may return the same
* {@link ShardConsumerState}.
*
* @return the type of consumer state this represents.
*/
ShardConsumerState getState();
boolean isTerminal();
}
/**
* The initial state that any {@link ShardConsumer} should start in.
*/
static final ConsumerState INITIAL_STATE = ShardConsumerState.WAITING_ON_PARENT_SHARDS.getConsumerState();
private static ConsumerState shutdownStateFor(ShutdownReason reason) {
switch (reason) {
case REQUESTED:
return ShardConsumerState.SHUTDOWN_REQUESTED.getConsumerState();
case TERMINATE:
case ZOMBIE:
return ShardConsumerState.SHUTTING_DOWN.getConsumerState();
default:
throw new IllegalArgumentException("Unknown reason: " + reason);
}
}
/**
* This is the initial state of a shard consumer. This causes the consumer to remain blocked until the all parent
* shards have been completed.
*
* <h2>Valid Transitions</h2>
* <dl>
* <dt>Success</dt>
* <dd>Transition to the initializing state to allow the record processor to be initialized in preparation of
* processing.</dd>
* <dt>Shutdown</dt>
* <dd>
* <dl>
* <dt>All Reasons</dt>
* <dd>Transitions to {@link ShutdownCompleteState}. Since the record processor was never initialized it can't be
* informed of the shutdown.</dd>
* </dl>
* </dd>
* </dl>
*/
static class BlockedOnParentState implements ConsumerState {
@Override
public ITask createTask(ShardConsumer consumer) {
return new BlockOnParentShardTask(consumer.getShardInfo(), consumer.getLeaseManager(),
consumer.getParentShardPollIntervalMillis());
}
@Override
public ConsumerState successTransition() {
return ShardConsumerState.INITIALIZING.getConsumerState();
}
@Override
public ConsumerState shutdownTransition(ShutdownReason shutdownReason) {
return ShardConsumerState.SHUTTING_DOWN.getConsumerState();
}
@Override
public TaskType getTaskType() {
return TaskType.BLOCK_ON_PARENT_SHARDS;
}
@Override
public ShardConsumerState getState() {
return ShardConsumerState.WAITING_ON_PARENT_SHARDS;
}
@Override
public boolean isTerminal() {
return false;
}
}
/**
* This state is responsible for initializing the record processor with the shard information.
* <h2>Valid Transitions</h2>
* <dl>
* <dt>Success</dt>
* <dd>Transitions to the processing state which will begin to send records to the record processor</dd>
* <dt>Shutdown</dt>
* <dd>At this point the record processor has been initialized, but hasn't processed any records. This requires that
* the record processor be notified of the shutdown, even though there is almost no actions the record processor
* could take.
* <dl>
* <dt>{@link ShutdownReason#REQUESTED}</dt>
* <dd>Transitions to the {@link ShutdownNotificationState}</dd>
* <dt>{@link ShutdownReason#ZOMBIE}</dt>
* <dd>Transitions to the {@link ShuttingDownState}</dd>
* <dt>{@link ShutdownReason#TERMINATE}</dt>
* <dd>
* <p>
* This reason should not occur, since terminate is triggered after reaching the end of a shard. Initialize never
* makes an requests to Kinesis for records, so it can't reach the end of a shard.
* </p>
* <p>
* Transitions to the {@link ShuttingDownState}
* </p>
* </dd>
* </dl>
* </dd>
* </dl>
*/
static class InitializingState implements ConsumerState {
@Override
public ITask createTask(ShardConsumer consumer) {
return new InitializeTask(consumer.getShardInfo(),
consumer.getRecordProcessor(),
consumer.getCheckpoint(),
consumer.getRecordProcessorCheckpointer(),
consumer.getDataFetcher(),
consumer.getTaskBackoffTimeMillis(),
consumer.getStreamConfig(),
consumer.getGetRecordsCache());
}
@Override
public ConsumerState successTransition() {
return ShardConsumerState.PROCESSING.getConsumerState();
}
@Override
public ConsumerState shutdownTransition(ShutdownReason shutdownReason) {
return shutdownReason.getShutdownState();
}
@Override
public TaskType getTaskType() {
return TaskType.INITIALIZE;
}
@Override
public ShardConsumerState getState() {
return ShardConsumerState.INITIALIZING;
}
@Override
public boolean isTerminal() {
return false;
}
}
/**
* This state is responsible for retrieving records from Kinesis, and dispatching them to the record processor.
* While in this state the only way a transition will occur is if a shutdown has been triggered.
* <h2>Valid Transitions</h2>
* <dl>
* <dt>Success</dt>
* <dd>Doesn't actually transition, but instead returns the same state</dd>
* <dt>Shutdown</dt>
* <dd>At this point records are being retrieved, and processed. It's now possible for the consumer to reach the end
* of the shard triggering a {@link ShutdownReason#TERMINATE}.
* <dl>
* <dt>{@link ShutdownReason#REQUESTED}</dt>
* <dd>Transitions to the {@link ShutdownNotificationState}</dd>
* <dt>{@link ShutdownReason#ZOMBIE}</dt>
* <dd>Transitions to the {@link ShuttingDownState}</dd>
* <dt>{@link ShutdownReason#TERMINATE}</dt>
* <dd>Transitions to the {@link ShuttingDownState}</dd>
* </dl>
* </dd>
* </dl>
*/
static class ProcessingState implements ConsumerState {
@Override
public ITask createTask(ShardConsumer consumer) {
return new ProcessTask(consumer.getShardInfo(),
consumer.getStreamConfig(),
consumer.getRecordProcessor(),
consumer.getRecordProcessorCheckpointer(),
consumer.getDataFetcher(),
consumer.getTaskBackoffTimeMillis(),
consumer.isSkipShardSyncAtWorkerInitializationIfLeasesExist(),
consumer.getGetRecordsCache());
}
@Override
public ConsumerState successTransition() {
return ShardConsumerState.PROCESSING.getConsumerState();
}
@Override
public ConsumerState shutdownTransition(ShutdownReason shutdownReason) {
return shutdownReason.getShutdownState();
}
@Override
public TaskType getTaskType() {
return TaskType.PROCESS;
}
@Override
public ShardConsumerState getState() {
return ShardConsumerState.PROCESSING;
}
@Override
public boolean isTerminal() {
return false;
}
}
static final ConsumerState SHUTDOWN_REQUEST_COMPLETION_STATE = new ShutdownNotificationCompletionState();
/**
* This state occurs when a shutdown has been explicitly requested. This shutdown allows the record processor a
* chance to checkpoint and prepare to be shutdown via the normal method. This state can only be reached by a
* shutdown on the {@link InitializingState} or {@link ProcessingState}.
*
* <h2>Valid Transitions</h2>
* <dl>
* <dt>Success</dt>
* <dd>Success shouldn't normally be called since the {@link ShardConsumer} is marked for shutdown.</dd>
* <dt>Shutdown</dt>
* <dd>At this point records are being retrieved, and processed. An explicit shutdown will allow the record
* processor one last chance to checkpoint, and then the {@link ShardConsumer} will be held in an idle state.
* <dl>
* <dt>{@link ShutdownReason#REQUESTED}</dt>
* <dd>Remains in the {@link ShardConsumerState#SHUTDOWN_REQUESTED}, but the state implementation changes to
* {@link ShutdownNotificationCompletionState}</dd>
* <dt>{@link ShutdownReason#ZOMBIE}</dt>
* <dd>Transitions to the {@link ShuttingDownState}</dd>
* <dt>{@link ShutdownReason#TERMINATE}</dt>
* <dd>Transitions to the {@link ShuttingDownState}</dd>
* </dl>
* </dd>
* </dl>
*/
static class ShutdownNotificationState implements ConsumerState {
@Override
public ITask createTask(ShardConsumer consumer) {
return new ShutdownNotificationTask(consumer.getRecordProcessor(),
consumer.getRecordProcessorCheckpointer(),
consumer.getShutdownNotification(),
consumer.getShardInfo());
}
@Override
public ConsumerState successTransition() {
return SHUTDOWN_REQUEST_COMPLETION_STATE;
}
@Override
public ConsumerState shutdownTransition(ShutdownReason shutdownReason) {
if (shutdownReason == ShutdownReason.REQUESTED) {
return SHUTDOWN_REQUEST_COMPLETION_STATE;
}
return shutdownReason.getShutdownState();
}
@Override
public TaskType getTaskType() {
return TaskType.SHUTDOWN_NOTIFICATION;
}
@Override
public ShardConsumerState getState() {
return ShardConsumerState.SHUTDOWN_REQUESTED;
}
@Override
public boolean isTerminal() {
return false;
}
}
/**
* Once the {@link ShutdownNotificationState} has been completed the {@link ShardConsumer} must not re-enter any of the
* processing states. This state idles the {@link ShardConsumer} until the worker triggers the final shutdown state.
*
* <h2>Valid Transitions</h2>
* <dl>
* <dt>Success</dt>
* <dd>
* <p>
* Success shouldn't normally be called since the {@link ShardConsumer} is marked for shutdown.
* </p>
* <p>
* Remains in the {@link ShutdownNotificationCompletionState}
* </p>
* </dd>
* <dt>Shutdown</dt>
* <dd>At this point the {@link ShardConsumer} has notified the record processor of the impending shutdown, and is
* waiting that notification. While waiting for the notification no further processing should occur on the
* {@link ShardConsumer}.
* <dl>
* <dt>{@link ShutdownReason#REQUESTED}</dt>
* <dd>Remains in the {@link ShardConsumerState#SHUTDOWN_REQUESTED}, and the state implementation remains
* {@link ShutdownNotificationCompletionState}</dd>
* <dt>{@link ShutdownReason#ZOMBIE}</dt>
* <dd>Transitions to the {@link ShuttingDownState}</dd>
* <dt>{@link ShutdownReason#TERMINATE}</dt>
* <dd>Transitions to the {@link ShuttingDownState}</dd>
* </dl>
* </dd>
* </dl>
*/
static class ShutdownNotificationCompletionState implements ConsumerState {
@Override
public ITask createTask(ShardConsumer consumer) {
return null;
}
@Override
public ConsumerState successTransition() {
return this;
}
@Override
public ConsumerState shutdownTransition(ShutdownReason shutdownReason) {
if (shutdownReason != ShutdownReason.REQUESTED) {
return shutdownReason.getShutdownState();
}
return this;
}
@Override
public TaskType getTaskType() {
return TaskType.SHUTDOWN_NOTIFICATION;
}
@Override
public ShardConsumerState getState() {
return ShardConsumerState.SHUTDOWN_REQUESTED;
}
@Override
public boolean isTerminal() {
return false;
}
}
/**
* This state is entered if the {@link ShardConsumer} loses its lease, or reaches the end of the shard.
*
* <h2>Valid Transitions</h2>
* <dl>
* <dt>Success</dt>
* <dd>
* <p>
* Success shouldn't normally be called since the {@link ShardConsumer} is marked for shutdown.
* </p>
* <p>
* Transitions to the {@link ShutdownCompleteState}
* </p>
* </dd>
* <dt>Shutdown</dt>
* <dd>At this point the record processor has processed the final shutdown indication, and depending on the shutdown
* reason taken the correct course of action. From this point on there should be no more interactions with the
* record processor or {@link ShardConsumer}.
* <dl>
* <dt>{@link ShutdownReason#REQUESTED}</dt>
* <dd>
* <p>
* This should not occur as all other {@link ShutdownReason}s take priority over it.
* </p>
* <p>
* Transitions to {@link ShutdownCompleteState}
* </p>
* </dd>
* <dt>{@link ShutdownReason#ZOMBIE}</dt>
* <dd>Transitions to the {@link ShutdownCompleteState}</dd>
* <dt>{@link ShutdownReason#TERMINATE}</dt>
* <dd>Transitions to the {@link ShutdownCompleteState}</dd>
* </dl>
* </dd>
* </dl>
*/
static class ShuttingDownState implements ConsumerState {
@Override
public ITask createTask(ShardConsumer consumer) {
return new ShutdownTask(consumer.getShardInfo(),
consumer.getRecordProcessor(),
consumer.getRecordProcessorCheckpointer(),
consumer.getShutdownReason(),
consumer.getStreamConfig().getStreamProxy(),
consumer.getStreamConfig().getInitialPositionInStream(),
consumer.isCleanupLeasesOfCompletedShards(),
consumer.isIgnoreUnexpectedChildShards(),
consumer.getLeaseCoordinator(),
consumer.getTaskBackoffTimeMillis(),
consumer.getGetRecordsCache(), consumer.getShardSyncer(),
consumer.getShardSyncStrategy(), consumer.getChildShards(),
consumer.getLeaseCleanupManager());
}
@Override
public ConsumerState successTransition() {
return ShardConsumerState.SHUTDOWN_COMPLETE.getConsumerState();
}
@Override
public ConsumerState shutdownTransition(ShutdownReason shutdownReason) {
return ShardConsumerState.SHUTDOWN_COMPLETE.getConsumerState();
}
@Override
public TaskType getTaskType() {
return TaskType.SHUTDOWN;
}
@Override
public ShardConsumerState getState() {
return ShardConsumerState.SHUTTING_DOWN;
}
@Override
public boolean isTerminal() {
return false;
}
}
/**
* This is the final state for the {@link ShardConsumer}. This occurs once all shutdown activities are completed.
*
* <h2>Valid Transitions</h2>
* <dl>
* <dt>Success</dt>
* <dd>
* <p>
* Success shouldn't normally be called since the {@link ShardConsumer} is marked for shutdown.
* </p>
* <p>
* Remains in the {@link ShutdownCompleteState}
* </p>
* </dd>
* <dt>Shutdown</dt>
* <dd>At this point the all shutdown activites are completed, and the {@link ShardConsumer} should not take any
* further actions.
* <dl>
* <dt>{@link ShutdownReason#REQUESTED}</dt>
* <dd>
* <p>
* This should not occur as all other {@link ShutdownReason}s take priority over it.
* </p>
* <p>
* Remains in {@link ShutdownCompleteState}
* </p>
* </dd>
* <dt>{@link ShutdownReason#ZOMBIE}</dt>
* <dd>Remains in {@link ShutdownCompleteState}</dd>
* <dt>{@link ShutdownReason#TERMINATE}</dt>
* <dd>Remains in {@link ShutdownCompleteState}</dd>
* </dl>
* </dd>
* </dl>
*/
static class ShutdownCompleteState implements ConsumerState {
@Override
public ITask createTask(ShardConsumer consumer) {
if (consumer.getShutdownNotification() != null) {
consumer.getShutdownNotification().shutdownComplete();
}
return null;
}
@Override
public ConsumerState successTransition() {
return this;
}
@Override
public ConsumerState shutdownTransition(ShutdownReason shutdownReason) {
return this;
}
@Override
public TaskType getTaskType() {
return TaskType.SHUTDOWN_COMPLETE;
}
@Override
public ShardConsumerState getState() {
return ShardConsumerState.SHUTDOWN_COMPLETE;
}
@Override
public boolean isTerminal() {
return true;
}
}
}

6
src/main/java/com/amazonaws/services/kinesis/clientlibrary/lib/worker/GetRecordsRetrievalStrategy.java
View file

@ -46,9 +46,9 @@ public interface GetRecordsRetrievalStrategy {
boolean isShutdown(); boolean isShutdown();
/** /**
* Returns the KinesisDataFetcher used to getRecords from Kinesis. * Returns the IDataFetcher used to getRecords
* *
* @return KinesisDataFetcher * @return IDataFetcher
*/ */
KinesisDataFetcher getDataFetcher(); IDataFetcher getDataFetcher();
} }

8
src/main/java/com/amazonaws/services/kinesis/clientlibrary/lib/worker/InitializeTask.java
View file

@ -29,7 +29,7 @@ import com.amazonaws.services.kinesis.metrics.interfaces.MetricsLevel;
/** /**
* Task for initializing shard position and invoking the RecordProcessor initialize() API. * Task for initializing shard position and invoking the RecordProcessor initialize() API.
*/ */
class InitializeTask implements ITask { public class InitializeTask implements ITask {
private static final Log LOG = LogFactory.getLog(InitializeTask.class); private static final Log LOG = LogFactory.getLog(InitializeTask.class);
@ -37,7 +37,7 @@ class InitializeTask implements ITask {
private final ShardInfo shardInfo; private final ShardInfo shardInfo;
private final IRecordProcessor recordProcessor; private final IRecordProcessor recordProcessor;
private final KinesisDataFetcher dataFetcher; private final IDataFetcher dataFetcher;
private final TaskType taskType = TaskType.INITIALIZE; private final TaskType taskType = TaskType.INITIALIZE;
private final ICheckpoint checkpoint; private final ICheckpoint checkpoint;
private final RecordProcessorCheckpointer recordProcessorCheckpointer; private final RecordProcessorCheckpointer recordProcessorCheckpointer;
@ -49,11 +49,11 @@ class InitializeTask implements ITask {
/** /**
* Constructor. * Constructor.
*/ */
InitializeTask(ShardInfo shardInfo, public InitializeTask(ShardInfo shardInfo,
IRecordProcessor recordProcessor, IRecordProcessor recordProcessor,
ICheckpoint checkpoint, ICheckpoint checkpoint,
RecordProcessorCheckpointer recordProcessorCheckpointer, RecordProcessorCheckpointer recordProcessorCheckpointer,
KinesisDataFetcher dataFetcher, IDataFetcher dataFetcher,
long backoffTimeMillis, long backoffTimeMillis,
StreamConfig streamConfig, StreamConfig streamConfig,
GetRecordsCache getRecordsCache) { GetRecordsCache getRecordsCache) {

11
src/main/java/com/amazonaws/services/kinesis/clientlibrary/lib/worker/KinesisClientLibConfiguration.java
View file

@ -20,6 +20,7 @@ import java.util.Optional;
import java.util.Set; import java.util.Set;
import com.amazonaws.services.dynamodbv2.model.BillingMode; import com.amazonaws.services.dynamodbv2.model.BillingMode;
import com.amazonaws.services.kinesis.leases.impl.LeaseCleanupManager;
import org.apache.commons.lang3.Validate; import org.apache.commons.lang3.Validate;
import com.amazonaws.ClientConfiguration; import com.amazonaws.ClientConfiguration;
@ -61,7 +62,7 @@ public class KinesisClientLibConfiguration {
public static final int DEFAULT_MAX_RECORDS = 10000; public static final int DEFAULT_MAX_RECORDS = 10000;
/** /**
* The default value for how long the {@link ShardConsumer} should sleep if no records are returned from the call to * The default value for how long the {@link KinesisShardConsumer} should sleep if no records are returned from the call to
* {@link com.amazonaws.services.kinesis.AmazonKinesis#getRecords(com.amazonaws.services.kinesis.model.GetRecordsRequest)}. * {@link com.amazonaws.services.kinesis.AmazonKinesis#getRecords(com.amazonaws.services.kinesis.model.GetRecordsRequest)}.
*/ */
public static final long DEFAULT_IDLETIME_BETWEEN_READS_MILLIS = 1000L; public static final long DEFAULT_IDLETIME_BETWEEN_READS_MILLIS = 1000L;
@ -627,7 +628,7 @@ public class KinesisClientLibConfiguration {
* @param billingMode The DDB Billing mode to set for lease table creation. * @param billingMode The DDB Billing mode to set for lease table creation.
* @param recordsFetcherFactory Factory to create the records fetcher to retrieve data from Kinesis for a given shard. * @param recordsFetcherFactory Factory to create the records fetcher to retrieve data from Kinesis for a given shard.
* @param leaseCleanupIntervalMillis Rate at which to run lease cleanup thread in * @param leaseCleanupIntervalMillis Rate at which to run lease cleanup thread in
* {@link com.amazonaws.services.kinesis.leases.impl.LeaseCleanupManager} * {@link LeaseCleanupManager}
* @param completedLeaseCleanupThresholdMillis Threshold in millis at which to check if there are any completed leases * @param completedLeaseCleanupThresholdMillis Threshold in millis at which to check if there are any completed leases
* (leases for shards which have been closed as a result of a resharding operation) that need to be cleaned up. * (leases for shards which have been closed as a result of a resharding operation) that need to be cleaned up.
* @param garbageLeaseCleanupThresholdMillis Threshold in millis at which to check if there are any garbage leases * @param garbageLeaseCleanupThresholdMillis Threshold in millis at which to check if there are any garbage leases
@ -926,7 +927,7 @@ public class KinesisClientLibConfiguration {
} }
/** /**
* @return Interval in millis at which to run lease cleanup thread in {@link com.amazonaws.services.kinesis.leases.impl.LeaseCleanupManager} * @return Interval in millis at which to run lease cleanup thread in {@link LeaseCleanupManager}
*/ */
public long leaseCleanupIntervalMillis() { public long leaseCleanupIntervalMillis() {
return leaseCleanupIntervalMillis; return leaseCleanupIntervalMillis;
@ -1030,7 +1031,7 @@ public class KinesisClientLibConfiguration {
* Keeping it protected to forbid outside callers from depending on this internal object. * Keeping it protected to forbid outside callers from depending on this internal object.
* @return The initialPositionInStreamExtended object. * @return The initialPositionInStreamExtended object.
*/ */
protected InitialPositionInStreamExtended getInitialPositionInStreamExtended() { public InitialPositionInStreamExtended getInitialPositionInStreamExtended() {
return initialPositionInStreamExtended; return initialPositionInStreamExtended;
} }
@ -1623,7 +1624,7 @@ public class KinesisClientLibConfiguration {
/** /**
* @param leaseCleanupIntervalMillis Rate at which to run lease cleanup thread in * @param leaseCleanupIntervalMillis Rate at which to run lease cleanup thread in
* {@link com.amazonaws.services.kinesis.leases.impl.LeaseCleanupManager} * {@link LeaseCleanupManager}
* @return * @return
*/ */
public KinesisClientLibConfiguration withLeaseCleanupIntervalMillis(long leaseCleanupIntervalMillis) { public KinesisClientLibConfiguration withLeaseCleanupIntervalMillis(long leaseCleanupIntervalMillis) {

4
src/main/java/com/amazonaws/services/kinesis/clientlibrary/lib/worker/KinesisClientLibLeaseCoordinator.java
View file

@ -51,7 +51,7 @@ import com.amazonaws.services.kinesis.metrics.interfaces.IMetricsFactory;
/** /**
* This class is used to coordinate/manage leases owned by this worker process and to get/set checkpoints. * This class is used to coordinate/manage leases owned by this worker process and to get/set checkpoints.
*/ */
class KinesisClientLibLeaseCoordinator extends LeaseCoordinator<KinesisClientLease> implements ICheckpoint { public class KinesisClientLibLeaseCoordinator extends LeaseCoordinator<KinesisClientLease> implements ICheckpoint {
private static final Log LOG = LogFactory.getLog(KinesisClientLibLeaseCoordinator.class); private static final Log LOG = LogFactory.getLog(KinesisClientLibLeaseCoordinator.class);
@ -368,7 +368,7 @@ class KinesisClientLibLeaseCoordinator extends LeaseCoordinator<KinesisClientLea
* *
* @return LeaseManager * @return LeaseManager
*/ */
ILeaseManager<KinesisClientLease> getLeaseManager() { public ILeaseManager<KinesisClientLease> getLeaseManager() {
return leaseManager; return leaseManager;
} }

9
src/main/java/com/amazonaws/services/kinesis/clientlibrary/lib/worker/KinesisDataFetcher.java
View file

@ -39,7 +39,7 @@ import lombok.Data;
/** /**
* Used to get data from Amazon Kinesis. Tracks iterator state internally. * Used to get data from Amazon Kinesis. Tracks iterator state internally.
*/ */
class KinesisDataFetcher { public class KinesisDataFetcher implements IDataFetcher{
private static final Log LOG = LogFactory.getLog(KinesisDataFetcher.class); private static final Log LOG = LogFactory.getLog(KinesisDataFetcher.class);
@ -185,7 +185,7 @@ class KinesisDataFetcher {
* @param sequenceNumber advance the iterator to the record at this sequence number. * @param sequenceNumber advance the iterator to the record at this sequence number.
* @param initialPositionInStream The initialPositionInStream. * @param initialPositionInStream The initialPositionInStream.
*/ */
void advanceIteratorTo(String sequenceNumber, InitialPositionInStreamExtended initialPositionInStream) { public void advanceIteratorTo(String sequenceNumber, InitialPositionInStreamExtended initialPositionInStream) {
if (sequenceNumber == null) { if (sequenceNumber == null) {
throw new IllegalArgumentException("SequenceNumber should not be null: shardId " + shardId); throw new IllegalArgumentException("SequenceNumber should not be null: shardId " + shardId);
} else if (sequenceNumber.equals(SentinelCheckpoint.LATEST.toString())) { } else if (sequenceNumber.equals(SentinelCheckpoint.LATEST.toString())) {
@ -276,11 +276,11 @@ class KinesisDataFetcher {
/** /**
* @return the shardEndReached * @return the shardEndReached
*/ */
protected boolean isShardEndReached() { public boolean isShardEndReached() {
return isShardEndReached; return isShardEndReached;
} }
protected List<ChildShard> getChildShards() { public List<ChildShard> getChildShards() {
return childShards; return childShards;
} }
@ -290,5 +290,4 @@ class KinesisDataFetcher {
String getNextIterator() { String getNextIterator() {
return nextIterator; return nextIterator;
} }
} }

410
src/main/java/com/amazonaws/services/kinesis/clientlibrary/lib/worker/PeriodicShardSyncManager.java
View file

@ -1,410 +0,0 @@
/*
* Copyright 2019 Amazon.com, Inc. or its affiliates.
* Licensed under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.amazonaws.services.kinesis.clientlibrary.lib.worker;
import java.io.Serializable;
import java.math.BigInteger;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import java.util.stream.Collectors;
import com.amazonaws.services.cloudwatch.model.StandardUnit;
import com.amazonaws.services.kinesis.clientlibrary.proxies.IKinesisProxy;
import com.amazonaws.services.kinesis.leases.exceptions.DependencyException;
import com.amazonaws.services.kinesis.leases.exceptions.InvalidStateException;
import com.amazonaws.services.kinesis.leases.exceptions.ProvisionedThroughputException;
import com.amazonaws.services.kinesis.leases.impl.HashKeyRangeForLease;
import com.amazonaws.services.kinesis.leases.impl.KinesisClientLease;
import com.amazonaws.services.kinesis.leases.impl.UpdateField;
import com.amazonaws.services.kinesis.leases.interfaces.ILeaseManager;
import com.amazonaws.services.kinesis.metrics.impl.MetricsHelper;
import com.amazonaws.services.kinesis.metrics.interfaces.IMetricsFactory;
import com.amazonaws.services.kinesis.metrics.interfaces.MetricsLevel;
import com.amazonaws.services.kinesis.model.Shard;
import com.amazonaws.util.CollectionUtils;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.collect.ComparisonChain;
import lombok.EqualsAndHashCode;
import lombok.Getter;
import lombok.NonNull;
import lombok.Value;
import lombok.experimental.Accessors;
import org.apache.commons.lang3.Validate;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import static com.amazonaws.services.kinesis.leases.impl.HashKeyRangeForLease.fromHashKeyRange;
/**
* The top level orchestrator for coordinating the periodic shard sync related activities. If the configured
* {@link ShardSyncStrategyType} is PERIODIC, this class will be the main shard sync orchestrator. For non-PERIODIC
* strategies, this class will serve as an internal auditor that periodically checks if the full hash range is covered
* by currently held leases, and initiates a recovery shard sync if not.
*/
@Getter
@EqualsAndHashCode
class PeriodicShardSyncManager {
private static final Log LOG = LogFactory.getLog(PeriodicShardSyncManager.class);
private static final long INITIAL_DELAY = 0;
/** DEFAULT interval is used for PERIODIC {@link ShardSyncStrategyType}. */
private static final long DEFAULT_PERIODIC_SHARD_SYNC_INTERVAL_MILLIS = 1000L;
/** Parameters for validating hash range completeness when running in auditor mode. */
@VisibleForTesting
static final BigInteger MIN_HASH_KEY = BigInteger.ZERO;
@VisibleForTesting
static final BigInteger MAX_HASH_KEY = new BigInteger("2").pow(128).subtract(BigInteger.ONE);
static final String PERIODIC_SHARD_SYNC_MANAGER = "PeriodicShardSyncManager";
private final HashRangeHoleTracker hashRangeHoleTracker = new HashRangeHoleTracker();
private final String workerId;
private final LeaderDecider leaderDecider;
private final ITask metricsEmittingShardSyncTask;
private final ScheduledExecutorService shardSyncThreadPool;
private final ILeaseManager<KinesisClientLease> leaseManager;
private final IKinesisProxy kinesisProxy;
private final boolean isAuditorMode;
private final long periodicShardSyncIntervalMillis;
private boolean isRunning;
private final IMetricsFactory metricsFactory;
private final int leasesRecoveryAuditorInconsistencyConfidenceThreshold;
PeriodicShardSyncManager(String workerId,
LeaderDecider leaderDecider,
ShardSyncTask shardSyncTask,
IMetricsFactory metricsFactory,
ILeaseManager<KinesisClientLease> leaseManager,
IKinesisProxy kinesisProxy,
boolean isAuditorMode,
long leasesRecoveryAuditorExecutionFrequencyMillis,
int leasesRecoveryAuditorInconsistencyConfidenceThreshold) {
this(workerId, leaderDecider, shardSyncTask, Executors.newSingleThreadScheduledExecutor(), metricsFactory,
leaseManager, kinesisProxy, isAuditorMode, leasesRecoveryAuditorExecutionFrequencyMillis,
leasesRecoveryAuditorInconsistencyConfidenceThreshold);
}
PeriodicShardSyncManager(String workerId,
LeaderDecider leaderDecider,
ShardSyncTask shardSyncTask,
ScheduledExecutorService shardSyncThreadPool,
IMetricsFactory metricsFactory,
ILeaseManager<KinesisClientLease> leaseManager,
IKinesisProxy kinesisProxy,
boolean isAuditorMode,
long leasesRecoveryAuditorExecutionFrequencyMillis,
int leasesRecoveryAuditorInconsistencyConfidenceThreshold) {
Validate.notBlank(workerId, "WorkerID is required to initialize PeriodicShardSyncManager.");
Validate.notNull(leaderDecider, "LeaderDecider is required to initialize PeriodicShardSyncManager.");
Validate.notNull(shardSyncTask, "ShardSyncTask is required to initialize PeriodicShardSyncManager.");
this.workerId = workerId;
this.leaderDecider = leaderDecider;
this.metricsEmittingShardSyncTask = new MetricsCollectingTaskDecorator(shardSyncTask, metricsFactory);
this.shardSyncThreadPool = shardSyncThreadPool;
this.leaseManager = leaseManager;
this.kinesisProxy = kinesisProxy;
this.metricsFactory = metricsFactory;
this.isAuditorMode = isAuditorMode;
this.leasesRecoveryAuditorInconsistencyConfidenceThreshold = leasesRecoveryAuditorInconsistencyConfidenceThreshold;
if (isAuditorMode) {
Validate.notNull(this.leaseManager, "LeaseManager is required for non-PERIODIC shard sync strategies.");
Validate.notNull(this.kinesisProxy, "KinesisProxy is required for non-PERIODIC shard sync strategies.");
this.periodicShardSyncIntervalMillis = leasesRecoveryAuditorExecutionFrequencyMillis;
} else {
this.periodicShardSyncIntervalMillis = DEFAULT_PERIODIC_SHARD_SYNC_INTERVAL_MILLIS;
}
}
public synchronized TaskResult start() {
if (!isRunning) {
final Runnable periodicShardSyncer = () -> {
try {
runShardSync();
} catch (Throwable t) {
LOG.error("Error running shard sync.", t);
}
};
shardSyncThreadPool
.scheduleWithFixedDelay(periodicShardSyncer, INITIAL_DELAY, periodicShardSyncIntervalMillis,
TimeUnit.MILLISECONDS);
isRunning = true;
}
return new TaskResult(null);
}
/**
* Runs ShardSync once, without scheduling further periodic ShardSyncs.
* @return TaskResult from shard sync
*/
public synchronized TaskResult syncShardsOnce() {
LOG.info("Syncing shards once from worker " + workerId);
return metricsEmittingShardSyncTask.call();
}
public void stop() {
if (isRunning) {
LOG.info(String.format("Shutting down leader decider on worker %s", workerId));
leaderDecider.shutdown();
LOG.info(String.format("Shutting down periodic shard sync task scheduler on worker %s", workerId));
shardSyncThreadPool.shutdown();
isRunning = false;
}
}
private void runShardSync() {
if (leaderDecider.isLeader(workerId)) {
LOG.debug("WorkerId " + workerId + " is a leader, running the shard sync task");
MetricsHelper.startScope(metricsFactory, PERIODIC_SHARD_SYNC_MANAGER);
boolean isRunSuccess = false;
final long runStartMillis = System.currentTimeMillis();
try {
final ShardSyncResponse shardSyncResponse = checkForShardSync();
MetricsHelper.getMetricsScope().addData("NumStreamsToSync", shardSyncResponse.shouldDoShardSync() ? 1 : 0, StandardUnit.Count, MetricsLevel.SUMMARY);
MetricsHelper.getMetricsScope().addData("NumStreamsWithPartialLeases", shardSyncResponse.isHoleDetected() ? 1 : 0, StandardUnit.Count, MetricsLevel.SUMMARY);
if (shardSyncResponse.shouldDoShardSync()) {
LOG.info("Periodic shard syncer initiating shard sync due to the reason - " +
shardSyncResponse.reasonForDecision());
metricsEmittingShardSyncTask.call();
} else {
LOG.info("Skipping shard sync due to the reason - " + shardSyncResponse.reasonForDecision());
}
isRunSuccess = true;
} catch (Exception e) {
LOG.error("Caught exception while running periodic shard syncer.", e);
} finally {
MetricsHelper.addSuccessAndLatency(runStartMillis, isRunSuccess, MetricsLevel.SUMMARY);
MetricsHelper.endScope();
}
} else {
LOG.debug("WorkerId " + workerId + " is not a leader, not running the shard sync task");
}
}
@VisibleForTesting
ShardSyncResponse checkForShardSync() throws DependencyException, InvalidStateException,
ProvisionedThroughputException {
if (!isAuditorMode) {
// If we are running with PERIODIC shard sync strategy, we should sync every time.
return new ShardSyncResponse(true, false, "Syncing every time with PERIODIC shard sync strategy.");
}
// Get current leases from DynamoDB.
final List<KinesisClientLease> currentLeases = leaseManager.listLeases();
if (CollectionUtils.isNullOrEmpty(currentLeases)) {
// If the current leases are null or empty, then we need to initiate a shard sync.
LOG.info("No leases found. Will trigger a shard sync.");
return new ShardSyncResponse(true, false, "No leases found.");
}
// Check if there are any holes in the hash range covered by current leases. Return the first hole if present.
Optional<HashRangeHole> hashRangeHoleOpt = hasHoleInLeases(currentLeases);
if (hashRangeHoleOpt.isPresent()) {
// If hole is present, check if the hole is detected consecutively in previous occurrences. If hole is
// determined with high confidence, return true; return false otherwise. We use the high confidence factor
// to avoid shard sync on any holes during resharding and lease cleanups, or other intermittent issues.
final boolean hasHoleWithHighConfidence =
hashRangeHoleTracker.hashHighConfidenceOfHoleWith(hashRangeHoleOpt.get());
return new ShardSyncResponse(hasHoleWithHighConfidence, true,
"Detected the same hole for " + hashRangeHoleTracker.getNumConsecutiveHoles() + " times. " +
"Will initiate shard sync after reaching threshold: " + leasesRecoveryAuditorInconsistencyConfidenceThreshold);
} else {
// If hole is not present, clear any previous hole tracking and return false.
hashRangeHoleTracker.reset();
return new ShardSyncResponse(false, false, "Hash range is complete.");
}
}
@VisibleForTesting
Optional<HashRangeHole> hasHoleInLeases(List<KinesisClientLease> leases) {
// Filter out any leases with checkpoints other than SHARD_END
final List<KinesisClientLease> activeLeases = leases.stream()
.filter(lease -> lease.getCheckpoint() != null && !lease.getCheckpoint().isShardEnd())
.collect(Collectors.toList());
final List<KinesisClientLease> activeLeasesWithHashRanges = fillWithHashRangesIfRequired(activeLeases);
return checkForHoleInHashKeyRanges(activeLeasesWithHashRanges);
}
private List<KinesisClientLease> fillWithHashRangesIfRequired(List<KinesisClientLease> activeLeases) {
final List<KinesisClientLease> activeLeasesWithNoHashRanges = activeLeases.stream()
.filter(lease -> lease.getHashKeyRange() == null).collect(Collectors.toList());
if (activeLeasesWithNoHashRanges.isEmpty()) {
return activeLeases;
}
// Fetch shards from Kinesis to fill in the in-memory hash ranges
final Map<String, Shard> kinesisShards = kinesisProxy.getShardList().stream()
.collect(Collectors.toMap(Shard::getShardId, shard -> shard));
return activeLeases.stream().map(lease -> {
if (lease.getHashKeyRange() == null) {
final String shardId = lease.getLeaseKey();
final Shard shard = kinesisShards.get(shardId);
if (shard == null) {
return lease;
}
lease.setHashKeyRange(fromHashKeyRange(shard.getHashKeyRange()));
try {
leaseManager.updateLeaseWithMetaInfo(lease, UpdateField.HASH_KEY_RANGE);
} catch (Exception e) {
LOG.warn("Unable to update hash range information for lease " + lease.getLeaseKey() +
". This may result in explicit lease sync.");
}
}
return lease;
}).filter(lease -> lease.getHashKeyRange() != null).collect(Collectors.toList());
}
@VisibleForTesting
static Optional<HashRangeHole> checkForHoleInHashKeyRanges(List<KinesisClientLease> leasesWithHashKeyRanges) {
// Sort the hash ranges by starting hash key
final List<KinesisClientLease> sortedLeasesWithHashKeyRanges = sortLeasesByHashRange(leasesWithHashKeyRanges);
if (sortedLeasesWithHashKeyRanges.isEmpty()) {
LOG.error("No leases with valid hash ranges found.");
return Optional.of(new HashRangeHole());
}
// Validate the hash range bounds
final KinesisClientLease minHashKeyLease = sortedLeasesWithHashKeyRanges.get(0);
final KinesisClientLease maxHashKeyLease =
sortedLeasesWithHashKeyRanges.get(sortedLeasesWithHashKeyRanges.size() - 1);
if (!minHashKeyLease.getHashKeyRange().startingHashKey().equals(MIN_HASH_KEY) ||
!maxHashKeyLease.getHashKeyRange().endingHashKey().equals(MAX_HASH_KEY)) {
LOG.error("Incomplete hash range found between " + minHashKeyLease + " and " + maxHashKeyLease);
return Optional.of(new HashRangeHole(minHashKeyLease.getHashKeyRange(), maxHashKeyLease.getHashKeyRange()));
}
// Check for any holes in the sorted hash range intervals
if (sortedLeasesWithHashKeyRanges.size() > 1) {
KinesisClientLease leftmostLeaseToReportInCaseOfHole = minHashKeyLease;
HashKeyRangeForLease leftLeaseHashRange = leftmostLeaseToReportInCaseOfHole.getHashKeyRange();
for (int i = 1; i < sortedLeasesWithHashKeyRanges.size(); i++) {
final KinesisClientLease rightLease = sortedLeasesWithHashKeyRanges.get(i);
final HashKeyRangeForLease rightLeaseHashRange = rightLease.getHashKeyRange();
final BigInteger rangeDiff =
rightLeaseHashRange.startingHashKey().subtract(leftLeaseHashRange.endingHashKey());
// We have overlapping leases when rangeDiff is 0 or negative.
// signum() will be -1 for negative and 0 if value is 0.
// Merge the ranges for further tracking.
if (rangeDiff.signum() <= 0) {
leftLeaseHashRange = new HashKeyRangeForLease(leftLeaseHashRange.startingHashKey(),
leftLeaseHashRange.endingHashKey().max(rightLeaseHashRange.endingHashKey()));
} else {
// We have non-overlapping leases when rangeDiff is positive. signum() will be 1 in this case.
// If rangeDiff is 1, then it is a continuous hash range. If not, there is a hole.
if (!rangeDiff.equals(BigInteger.ONE)) {
LOG.error("Incomplete hash range found between " + leftmostLeaseToReportInCaseOfHole +
" and " + rightLease);
return Optional.of(new HashRangeHole(leftmostLeaseToReportInCaseOfHole.getHashKeyRange(),
rightLease.getHashKeyRange()));
}
leftmostLeaseToReportInCaseOfHole = rightLease;
leftLeaseHashRange = rightLeaseHashRange;
}
}
}
return Optional.empty();
}
@VisibleForTesting
static List<KinesisClientLease> sortLeasesByHashRange(List<KinesisClientLease> leasesWithHashKeyRanges) {
if (leasesWithHashKeyRanges.size() == 0 || leasesWithHashKeyRanges.size() == 1) {
return leasesWithHashKeyRanges;
}
Collections.sort(leasesWithHashKeyRanges, new HashKeyRangeComparator());
return leasesWithHashKeyRanges;
}
@Value
@Accessors(fluent = true)
@VisibleForTesting
static class ShardSyncResponse {
private final boolean shouldDoShardSync;
private final boolean isHoleDetected;
private final String reasonForDecision;
}
@Value
private static class HashRangeHole {
private final HashKeyRangeForLease hashRangeAtStartOfPossibleHole;
private final HashKeyRangeForLease hashRangeAtEndOfPossibleHole;
HashRangeHole() {
hashRangeAtStartOfPossibleHole = hashRangeAtEndOfPossibleHole = null;
}
HashRangeHole(HashKeyRangeForLease hashRangeAtStartOfPossibleHole,
HashKeyRangeForLease hashRangeAtEndOfPossibleHole) {
this.hashRangeAtStartOfPossibleHole = hashRangeAtStartOfPossibleHole;
this.hashRangeAtEndOfPossibleHole = hashRangeAtEndOfPossibleHole;
}
}
private class HashRangeHoleTracker {
private HashRangeHole hashRangeHole;
@Getter
private Integer numConsecutiveHoles;
public boolean hashHighConfidenceOfHoleWith(@NonNull HashRangeHole hashRangeHole) {
if (hashRangeHole.equals(this.hashRangeHole)) {
++this.numConsecutiveHoles;
} else {
this.hashRangeHole = hashRangeHole;
this.numConsecutiveHoles = 1;
}
return numConsecutiveHoles >= leasesRecoveryAuditorInconsistencyConfidenceThreshold;
}
public void reset() {
this.hashRangeHole = null;
this.numConsecutiveHoles = 0;
}
}
private static class HashKeyRangeComparator implements Comparator<KinesisClientLease>, Serializable {
private static final long serialVersionUID = 1L;
@Override
public int compare(KinesisClientLease lease, KinesisClientLease otherLease) {
Validate.notNull(lease);
Validate.notNull(otherLease);
Validate.notNull(lease.getHashKeyRange());
Validate.notNull(otherLease.getHashKeyRange());
return ComparisonChain.start()
.compare(lease.getHashKeyRange().startingHashKey(), otherLease.getHashKeyRange().startingHashKey())
.compare(lease.getHashKeyRange().endingHashKey(), otherLease.getHashKeyRange().endingHashKey())
.result();
}
}
}

2
src/main/java/com/amazonaws/services/kinesis/clientlibrary/lib/worker/PrefetchGetRecordsCache.java
View file

@ -60,7 +60,7 @@ public class PrefetchGetRecordsCache implements GetRecordsCache {
private PrefetchCounters prefetchCounters; private PrefetchCounters prefetchCounters;
private boolean started = false; private boolean started = false;
private final String operation; private final String operation;
private final KinesisDataFetcher dataFetcher; private final IDataFetcher dataFetcher;
private final String shardId; private final String shardId;
/** /**

8
src/main/java/com/amazonaws/services/kinesis/clientlibrary/lib/worker/ProcessTask.java
View file

@ -41,7 +41,7 @@ import com.amazonaws.services.kinesis.model.Shard;
/** /**
* Task for fetching data records and invoking processRecords() on the record processor instance. * Task for fetching data records and invoking processRecords() on the record processor instance.
*/ */
class ProcessTask implements ITask { public class ProcessTask implements ITask {
private static final Log LOG = LogFactory.getLog(ProcessTask.class); private static final Log LOG = LogFactory.getLog(ProcessTask.class);
@ -55,7 +55,7 @@ class ProcessTask implements ITask {
private final ShardInfo shardInfo; private final ShardInfo shardInfo;
private final IRecordProcessor recordProcessor; private final IRecordProcessor recordProcessor;
private final RecordProcessorCheckpointer recordProcessorCheckpointer; private final RecordProcessorCheckpointer recordProcessorCheckpointer;
private final KinesisDataFetcher dataFetcher; private final IDataFetcher dataFetcher;
private final TaskType taskType = TaskType.PROCESS; private final TaskType taskType = TaskType.PROCESS;
private final StreamConfig streamConfig; private final StreamConfig streamConfig;
private final long backoffTimeMillis; private final long backoffTimeMillis;
@ -81,7 +81,7 @@ class ProcessTask implements ITask {
* The retrieval strategy for fetching records from kinesis * The retrieval strategy for fetching records from kinesis
*/ */
public ProcessTask(ShardInfo shardInfo, StreamConfig streamConfig, IRecordProcessor recordProcessor, public ProcessTask(ShardInfo shardInfo, StreamConfig streamConfig, IRecordProcessor recordProcessor,
RecordProcessorCheckpointer recordProcessorCheckpointer, KinesisDataFetcher dataFetcher, RecordProcessorCheckpointer recordProcessorCheckpointer, IDataFetcher dataFetcher,
long backoffTimeMillis, boolean skipShardSyncAtWorkerInitializationIfLeasesExist, long backoffTimeMillis, boolean skipShardSyncAtWorkerInitializationIfLeasesExist,
GetRecordsCache getRecordsCache) { GetRecordsCache getRecordsCache) {
this(shardInfo, streamConfig, recordProcessor, recordProcessorCheckpointer, dataFetcher, backoffTimeMillis, this(shardInfo, streamConfig, recordProcessor, recordProcessorCheckpointer, dataFetcher, backoffTimeMillis,
@ -107,7 +107,7 @@ class ProcessTask implements ITask {
* determines how throttling events should be reported in the log. * determines how throttling events should be reported in the log.
*/ */
public ProcessTask(ShardInfo shardInfo, StreamConfig streamConfig, IRecordProcessor recordProcessor, public ProcessTask(ShardInfo shardInfo, StreamConfig streamConfig, IRecordProcessor recordProcessor,
RecordProcessorCheckpointer recordProcessorCheckpointer, KinesisDataFetcher dataFetcher, RecordProcessorCheckpointer recordProcessorCheckpointer, IDataFetcher dataFetcher,
long backoffTimeMillis, boolean skipShardSyncAtWorkerInitializationIfLeasesExist, long backoffTimeMillis, boolean skipShardSyncAtWorkerInitializationIfLeasesExist,
ThrottlingReporter throttlingReporter, GetRecordsCache getRecordsCache) { ThrottlingReporter throttlingReporter, GetRecordsCache getRecordsCache) {
super(); super();

12
src/main/java/com/amazonaws/services/kinesis/clientlibrary/lib/worker/RecordProcessorCheckpointer.java
View file

@ -37,7 +37,7 @@ import com.amazonaws.services.kinesis.model.Record;
* The Amazon Kinesis Client Library will instantiate an object and provide a reference to the application * The Amazon Kinesis Client Library will instantiate an object and provide a reference to the application
* RecordProcessor instance. Amazon Kinesis Client Library will create one instance per shard assignment. * RecordProcessor instance. Amazon Kinesis Client Library will create one instance per shard assignment.
*/ */
class RecordProcessorCheckpointer implements IRecordProcessorCheckpointer { public class RecordProcessorCheckpointer implements IRecordProcessorCheckpointer {
private static final Log LOG = LogFactory.getLog(RecordProcessorCheckpointer.class); private static final Log LOG = LogFactory.getLog(RecordProcessorCheckpointer.class);
@ -62,7 +62,7 @@ class RecordProcessorCheckpointer implements IRecordProcessorCheckpointer {
* @param checkpoint Used to checkpoint progress of a RecordProcessor * @param checkpoint Used to checkpoint progress of a RecordProcessor
* @param validator Used for validating sequence numbers * @param validator Used for validating sequence numbers
*/ */
RecordProcessorCheckpointer(ShardInfo shardInfo, public RecordProcessorCheckpointer(ShardInfo shardInfo,
ICheckpoint checkpoint, ICheckpoint checkpoint,
SequenceNumberValidator validator, SequenceNumberValidator validator,
IMetricsFactory metricsFactory) { IMetricsFactory metricsFactory) {
@ -231,7 +231,7 @@ class RecordProcessorCheckpointer implements IRecordProcessorCheckpointer {
/** /**
* @return the lastCheckpointValue * @return the lastCheckpointValue
*/ */
ExtendedSequenceNumber getLastCheckpointValue() { public ExtendedSequenceNumber getLastCheckpointValue() {
return lastCheckpointValue; return lastCheckpointValue;
} }
@ -244,14 +244,14 @@ class RecordProcessorCheckpointer implements IRecordProcessorCheckpointer {
* *
* @return the largest permitted checkpoint * @return the largest permitted checkpoint
*/ */
synchronized ExtendedSequenceNumber getLargestPermittedCheckpointValue() { public synchronized ExtendedSequenceNumber getLargestPermittedCheckpointValue() {
return largestPermittedCheckpointValue; return largestPermittedCheckpointValue;
} }
/** /**
* @param largestPermittedCheckpointValue the largest permitted checkpoint * @param largestPermittedCheckpointValue the largest permitted checkpoint
*/ */
synchronized void setLargestPermittedCheckpointValue(ExtendedSequenceNumber largestPermittedCheckpointValue) { public synchronized void setLargestPermittedCheckpointValue(ExtendedSequenceNumber largestPermittedCheckpointValue) {
this.largestPermittedCheckpointValue = largestPermittedCheckpointValue; this.largestPermittedCheckpointValue = largestPermittedCheckpointValue;
} }
@ -262,7 +262,7 @@ class RecordProcessorCheckpointer implements IRecordProcessorCheckpointer {
* *
* @param extendedSequenceNumber * @param extendedSequenceNumber
*/ */
synchronized void setSequenceNumberAtShardEnd(ExtendedSequenceNumber extendedSequenceNumber) { public synchronized void setSequenceNumberAtShardEnd(ExtendedSequenceNumber extendedSequenceNumber) {
this.sequenceNumberAtShardEnd = extendedSequenceNumber; this.sequenceNumberAtShardEnd = extendedSequenceNumber;
} }

2
src/main/java/com/amazonaws/services/kinesis/clientlibrary/lib/worker/SequenceNumberValidator.java
View file

@ -51,7 +51,7 @@ public class SequenceNumberValidator {
* @param validateWithGetIterator Whether to attempt to get an iterator for this shard id and the sequence numbers * @param validateWithGetIterator Whether to attempt to get an iterator for this shard id and the sequence numbers
* being validated * being validated
*/ */
SequenceNumberValidator(IKinesisProxy proxy, String shardId, boolean validateWithGetIterator) { public SequenceNumberValidator(IKinesisProxy proxy, String shardId, boolean validateWithGetIterator) {
this.proxy = proxy; this.proxy = proxy;
this.shardId = shardId; this.shardId = shardId;
this.validateWithGetIterator = validateWithGetIterator; this.validateWithGetIterator = validateWithGetIterator;

599
src/main/java/com/amazonaws/services/kinesis/clientlibrary/lib/worker/ShardConsumer.java
View file

@ -1,599 +0,0 @@
/*
* Copyright 2019 Amazon.com, Inc. or its affiliates.
* Licensed under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.amazonaws.services.kinesis.clientlibrary.lib.worker;
import java.util.List;
import java.util.Optional;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.concurrent.RejectedExecutionException;
import com.amazonaws.services.kinesis.leases.impl.LeaseCleanupManager;
import com.amazonaws.services.kinesis.model.ChildShard;
import com.amazonaws.util.CollectionUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import com.amazonaws.services.kinesis.clientlibrary.exceptions.internal.BlockedOnParentShardException;
import com.amazonaws.services.kinesis.clientlibrary.interfaces.ICheckpoint;
import com.amazonaws.services.kinesis.clientlibrary.interfaces.v2.IRecordProcessor;
import com.amazonaws.services.kinesis.leases.impl.KinesisClientLease;
import com.amazonaws.services.kinesis.leases.interfaces.ILeaseManager;
import com.amazonaws.services.kinesis.metrics.interfaces.IMetricsFactory;
import com.google.common.annotations.VisibleForTesting;
import lombok.Getter;
/**
* Responsible for consuming data records of a (specified) shard.
* The instance should be shutdown when we lose the primary responsibility for a shard.
* A new instance should be created if the primary responsibility is reassigned back to this process.
*/
class ShardConsumer {
private static final Log LOG = LogFactory.getLog(ShardConsumer.class);
private final StreamConfig streamConfig;
private final IRecordProcessor recordProcessor;
private final KinesisClientLibConfiguration config;
private final RecordProcessorCheckpointer recordProcessorCheckpointer;
private final ExecutorService executorService;
private final ShardInfo shardInfo;
private final KinesisDataFetcher dataFetcher;
private final IMetricsFactory metricsFactory;
private final KinesisClientLibLeaseCoordinator leaseCoordinator;
private ICheckpoint checkpoint;
private LeaseCleanupManager leaseCleanupManager;
// Backoff time when polling to check if application has finished processing parent shards
private final long parentShardPollIntervalMillis;
private final boolean cleanupLeasesOfCompletedShards;
private final long taskBackoffTimeMillis;
private final boolean skipShardSyncAtWorkerInitializationIfLeasesExist;
@Getter
private final ShardSyncer shardSyncer;
private ITask currentTask;
private long currentTaskSubmitTime;
private Future<TaskResult> future;
private ShardSyncStrategy shardSyncStrategy;
@Getter
private List<ChildShard> childShards;
@Getter
private final GetRecordsCache getRecordsCache;
private static final GetRecordsRetrievalStrategy makeStrategy(KinesisDataFetcher dataFetcher,
Optional<Integer> retryGetRecordsInSeconds,
Optional<Integer> maxGetRecordsThreadPool,
ShardInfo shardInfo) {
Optional<GetRecordsRetrievalStrategy> getRecordsRetrievalStrategy = retryGetRecordsInSeconds.flatMap(retry ->
maxGetRecordsThreadPool.map(max ->
new AsynchronousGetRecordsRetrievalStrategy(dataFetcher, retry, max, shardInfo.getShardId())));
return getRecordsRetrievalStrategy.orElse(new SynchronousGetRecordsRetrievalStrategy(dataFetcher));
}
/*
* Tracks current state. It is only updated via the consumeStream/shutdown APIs. Therefore we don't do
* much coordination/synchronization to handle concurrent reads/updates.
*/
private ConsumerStates.ConsumerState currentState = ConsumerStates.INITIAL_STATE;
/*
* Used to track if we lost the primary responsibility. Once set to true, we will start shutting down.
* If we regain primary responsibility before shutdown is complete, Worker should create a new ShardConsumer object.
*/
private volatile ShutdownReason shutdownReason;
private volatile ShutdownNotification shutdownNotification;
/**
* @param shardInfo Shard information
* @param streamConfig Stream configuration to use
* @param checkpoint Checkpoint tracker
* @param recordProcessor Record processor used to process the data records for the shard
* @param config Kinesis library configuration
* @param leaseCoordinator Used to manage leases for current worker
* @param parentShardPollIntervalMillis Wait for this long if parent shards are not done (or we get an exception)
* @param executorService ExecutorService used to execute process tasks for this shard
* @param metricsFactory IMetricsFactory used to construct IMetricsScopes for this shard
* @param backoffTimeMillis backoff interval when we encounter exceptions
* @param shardSyncer shardSyncer instance used to check and create new leases
*/
// CHECKSTYLE:IGNORE ParameterNumber FOR NEXT 10 LINES
@Deprecated
ShardConsumer(ShardInfo shardInfo,
StreamConfig streamConfig,
ICheckpoint checkpoint,
IRecordProcessor recordProcessor,
KinesisClientLibLeaseCoordinator leaseCoordinator,
long parentShardPollIntervalMillis,
boolean cleanupLeasesOfCompletedShards,
ExecutorService executorService,
IMetricsFactory metricsFactory,
long backoffTimeMillis,
boolean skipShardSyncAtWorkerInitializationIfLeasesExist,
KinesisClientLibConfiguration config, ShardSyncer shardSyncer, ShardSyncStrategy shardSyncStrategy) {
this(shardInfo,
streamConfig,
checkpoint,
recordProcessor,
leaseCoordinator,
parentShardPollIntervalMillis,
cleanupLeasesOfCompletedShards,
executorService,
metricsFactory,
backoffTimeMillis,
skipShardSyncAtWorkerInitializationIfLeasesExist,
Optional.empty(),
Optional.empty(),
config, shardSyncer, shardSyncStrategy);
}
/**
* @param shardInfo Shard information
* @param streamConfig Stream configuration to use
* @param checkpoint Checkpoint tracker
* @param recordProcessor Record processor used to process the data records for the shard
* @param leaseCoordinator Used to manage leases for current worker
* @param parentShardPollIntervalMillis Wait for this long if parent shards are not done (or we get an exception)
* @param executorService ExecutorService used to execute process tasks for this shard
* @param metricsFactory IMetricsFactory used to construct IMetricsScopes for this shard
* @param backoffTimeMillis backoff interval when we encounter exceptions
* @param retryGetRecordsInSeconds time in seconds to wait before the worker retries to get a record.
* @param maxGetRecordsThreadPool max number of threads in the getRecords thread pool.
* @param config Kinesis library configuration
* @param shardSyncer shardSyncer instance used to check and create new leases
*/
// CHECKSTYLE:IGNORE ParameterNumber FOR NEXT 10 LINES
@Deprecated
ShardConsumer(ShardInfo shardInfo,
StreamConfig streamConfig,
ICheckpoint checkpoint,
IRecordProcessor recordProcessor,
KinesisClientLibLeaseCoordinator leaseCoordinator,
long parentShardPollIntervalMillis,
boolean cleanupLeasesOfCompletedShards,
ExecutorService executorService,
IMetricsFactory metricsFactory,
long backoffTimeMillis,
boolean skipShardSyncAtWorkerInitializationIfLeasesExist,
Optional<Integer> retryGetRecordsInSeconds,
Optional<Integer> maxGetRecordsThreadPool,
KinesisClientLibConfiguration config, ShardSyncer shardSyncer, ShardSyncStrategy shardSyncStrategy) {
this(
shardInfo,
streamConfig,
checkpoint,
recordProcessor,
new RecordProcessorCheckpointer(
shardInfo,
checkpoint,
new SequenceNumberValidator(
streamConfig.getStreamProxy(),
shardInfo.getShardId(),
streamConfig.shouldValidateSequenceNumberBeforeCheckpointing()),
metricsFactory),
leaseCoordinator,
parentShardPollIntervalMillis,
cleanupLeasesOfCompletedShards,
executorService,
metricsFactory,
backoffTimeMillis,
skipShardSyncAtWorkerInitializationIfLeasesExist,
new KinesisDataFetcher(streamConfig.getStreamProxy(), shardInfo),
retryGetRecordsInSeconds,
maxGetRecordsThreadPool,
config, shardSyncer, shardSyncStrategy
);
}
/**
* @param shardInfo Shard information
* @param streamConfig Stream Config to use
* @param checkpoint Checkpoint tracker
* @param recordProcessor Record processor used to process the data records for the shard
* @param recordProcessorCheckpointer RecordProcessorCheckpointer to use to checkpoint progress
* @param leaseCoordinator Used to manage leases for current worker
* @param parentShardPollIntervalMillis Wait for this long if parent shards are not done (or we get an exception)
* @param cleanupLeasesOfCompletedShards clean up the leases of completed shards
* @param executorService ExecutorService used to execute process tasks for this shard
* @param metricsFactory IMetricsFactory used to construct IMetricsScopes for this shard
* @param backoffTimeMillis backoff interval when we encounter exceptions
* @param skipShardSyncAtWorkerInitializationIfLeasesExist Skip sync at init if lease exists
* @param kinesisDataFetcher KinesisDataFetcher to fetch data from Kinesis streams.
* @param retryGetRecordsInSeconds time in seconds to wait before the worker retries to get a record
* @param maxGetRecordsThreadPool max number of threads in the getRecords thread pool
* @param config Kinesis library configuration
* @param shardSyncer shardSyncer instance used to check and create new leases
*/
@Deprecated
ShardConsumer(ShardInfo shardInfo,
StreamConfig streamConfig,
ICheckpoint checkpoint,
IRecordProcessor recordProcessor,
RecordProcessorCheckpointer recordProcessorCheckpointer,
KinesisClientLibLeaseCoordinator leaseCoordinator,
long parentShardPollIntervalMillis,
boolean cleanupLeasesOfCompletedShards,
ExecutorService executorService,
IMetricsFactory metricsFactory,
long backoffTimeMillis,
boolean skipShardSyncAtWorkerInitializationIfLeasesExist,
KinesisDataFetcher kinesisDataFetcher,
Optional<Integer> retryGetRecordsInSeconds,
Optional<Integer> maxGetRecordsThreadPool,
KinesisClientLibConfiguration config, ShardSyncer shardSyncer, ShardSyncStrategy shardSyncStrategy) {
this(shardInfo, streamConfig, checkpoint, recordProcessor, recordProcessorCheckpointer, leaseCoordinator,
parentShardPollIntervalMillis, cleanupLeasesOfCompletedShards, executorService, metricsFactory,
backoffTimeMillis, skipShardSyncAtWorkerInitializationIfLeasesExist, kinesisDataFetcher, retryGetRecordsInSeconds,
maxGetRecordsThreadPool, config, shardSyncer, shardSyncStrategy, LeaseCleanupManager.newInstance(streamConfig.getStreamProxy(), leaseCoordinator.getLeaseManager(),
Executors.newSingleThreadScheduledExecutor(), metricsFactory, config.shouldCleanupLeasesUponShardCompletion(),
config.leaseCleanupIntervalMillis(), config.completedLeaseCleanupThresholdMillis(),
config.garbageLeaseCleanupThresholdMillis(), config.getMaxRecords()));
}
/**
* @param shardInfo Shard information
* @param streamConfig Stream Config to use
* @param checkpoint Checkpoint tracker
* @param recordProcessor Record processor used to process the data records for the shard
* @param recordProcessorCheckpointer RecordProcessorCheckpointer to use to checkpoint progress
* @param leaseCoordinator Used to manage leases for current worker
* @param parentShardPollIntervalMillis Wait for this long if parent shards are not done (or we get an exception)
* @param cleanupLeasesOfCompletedShards clean up the leases of completed shards
* @param executorService ExecutorService used to execute process tasks for this shard
* @param metricsFactory IMetricsFactory used to construct IMetricsScopes for this shard
* @param backoffTimeMillis backoff interval when we encounter exceptions
* @param skipShardSyncAtWorkerInitializationIfLeasesExist Skip sync at init if lease exists
* @param kinesisDataFetcher KinesisDataFetcher to fetch data from Kinesis streams.
* @param retryGetRecordsInSeconds time in seconds to wait before the worker retries to get a record
* @param maxGetRecordsThreadPool max number of threads in the getRecords thread pool
* @param config Kinesis library configuration
* @param shardSyncer shardSyncer instance used to check and create new leases
* @param leaseCleanupManager used to clean up leases in lease table.
*/
ShardConsumer(ShardInfo shardInfo,
StreamConfig streamConfig,
ICheckpoint checkpoint,
IRecordProcessor recordProcessor,
RecordProcessorCheckpointer recordProcessorCheckpointer,
KinesisClientLibLeaseCoordinator leaseCoordinator,
long parentShardPollIntervalMillis,
boolean cleanupLeasesOfCompletedShards,
ExecutorService executorService,
IMetricsFactory metricsFactory,
long backoffTimeMillis,
boolean skipShardSyncAtWorkerInitializationIfLeasesExist,
KinesisDataFetcher kinesisDataFetcher,
Optional<Integer> retryGetRecordsInSeconds,
Optional<Integer> maxGetRecordsThreadPool,
KinesisClientLibConfiguration config, ShardSyncer shardSyncer, ShardSyncStrategy shardSyncStrategy,
LeaseCleanupManager leaseCleanupManager) {
this.shardInfo = shardInfo;
this.streamConfig = streamConfig;
this.checkpoint = checkpoint;
this.recordProcessor = recordProcessor;
this.recordProcessorCheckpointer = recordProcessorCheckpointer;
this.leaseCoordinator = leaseCoordinator;
this.parentShardPollIntervalMillis = parentShardPollIntervalMillis;
this.cleanupLeasesOfCompletedShards = cleanupLeasesOfCompletedShards;
this.executorService = executorService;
this.metricsFactory = metricsFactory;
this.taskBackoffTimeMillis = backoffTimeMillis;
this.skipShardSyncAtWorkerInitializationIfLeasesExist = skipShardSyncAtWorkerInitializationIfLeasesExist;
this.config = config;
this.dataFetcher = kinesisDataFetcher;
this.getRecordsCache = config.getRecordsFetcherFactory().createRecordsFetcher(
makeStrategy(this.dataFetcher, retryGetRecordsInSeconds, maxGetRecordsThreadPool, this.shardInfo),
this.getShardInfo().getShardId(), this.metricsFactory, this.config.getMaxRecords());
this.shardSyncer = shardSyncer;
this.shardSyncStrategy = shardSyncStrategy;
this.leaseCleanupManager = leaseCleanupManager;
}
/**
* No-op if current task is pending, otherwise submits next task for this shard.
* This method should NOT be called if the ShardConsumer is already in SHUTDOWN_COMPLETED state.
*
* @return true if a new process task was submitted, false otherwise
*/
synchronized boolean consumeShard() {
return checkAndSubmitNextTask();
}
private boolean readyForNextTask() {
return future == null || future.isCancelled() || future.isDone();
}
private synchronized boolean checkAndSubmitNextTask() {
boolean submittedNewTask = false;
if (readyForNextTask()) {
TaskOutcome taskOutcome = TaskOutcome.NOT_COMPLETE;
if (future != null && future.isDone()) {
taskOutcome = determineTaskOutcome();
}
updateState(taskOutcome);
ITask nextTask = getNextTask();
if (nextTask != null) {
currentTask = nextTask;
try {
future = executorService.submit(currentTask);
currentTaskSubmitTime = System.currentTimeMillis();
submittedNewTask = true;
LOG.debug("Submitted new " + currentTask.getTaskType()
+ " task for shard " + shardInfo.getShardId());
} catch (RejectedExecutionException e) {
LOG.info(currentTask.getTaskType() + " task was not accepted for execution.", e);
} catch (RuntimeException e) {
LOG.info(currentTask.getTaskType() + " task encountered exception ", e);
}
} else {
if (LOG.isDebugEnabled()) {
LOG.debug(String.format("No new task to submit for shard %s, currentState %s",
shardInfo.getShardId(),
currentState.toString()));
}
}
} else {
final long timeElapsed = System.currentTimeMillis() - currentTaskSubmitTime;
final String commonMessage = String.format("Previous %s task still pending for shard %s since %d ms ago. ",
currentTask.getTaskType(), shardInfo.getShardId(), timeElapsed);
if (LOG.isDebugEnabled()) {
LOG.debug(commonMessage + "Not submitting new task.");
}
config.getLogWarningForTaskAfterMillis().ifPresent(value -> {
if (timeElapsed > value) {
LOG.warn(commonMessage);
}
});
}
return submittedNewTask;
}
public boolean isSkipShardSyncAtWorkerInitializationIfLeasesExist() {
return skipShardSyncAtWorkerInitializationIfLeasesExist;
}
private enum TaskOutcome {
SUCCESSFUL, END_OF_SHARD, NOT_COMPLETE, FAILURE, LEASE_NOT_FOUND
}
private TaskOutcome determineTaskOutcome() {
try {
TaskResult result = future.get();
if (result.getException() == null) {
if (result.isShardEndReached()) {
if (!CollectionUtils.isNullOrEmpty(result.getChildShards())) {
childShards = result.getChildShards();
LOG.info("Shard " + shardInfo.getShardId() + ": Setting childShards in ShardConsumer: " + childShards);
}
return TaskOutcome.END_OF_SHARD;
}
return TaskOutcome.SUCCESSFUL;
}
logTaskException(result);
// This is the case of result with exception
if (result.isLeaseNotFound()) {
return TaskOutcome.LEASE_NOT_FOUND;
}
} catch (Exception e) {
throw new RuntimeException(e);
} finally {
// Setting future to null so we don't misinterpret task completion status in case of exceptions
future = null;
}
return TaskOutcome.FAILURE;
}
private void logTaskException(TaskResult taskResult) {
if (LOG.isDebugEnabled()) {
Exception taskException = taskResult.getException();
if (taskException instanceof BlockedOnParentShardException) {
// No need to log the stack trace for this exception (it is very specific).
LOG.debug("Shard " + shardInfo.getShardId() + " is blocked on completion of parent shard.");
} else {
LOG.debug("Caught exception running " + currentTask.getTaskType() + " task: ",
taskResult.getException());
}
}
}
/**
* Requests the shutdown of the this ShardConsumer. This should give the record processor a chance to checkpoint
* before being shutdown.
*
* @param shutdownNotification used to signal that the record processor has been given the chance to shutdown.
*/
void notifyShutdownRequested(ShutdownNotification shutdownNotification) {
this.shutdownNotification = shutdownNotification;
markForShutdown(ShutdownReason.REQUESTED);
}
/**
* Shutdown this ShardConsumer (including invoking the RecordProcessor shutdown API).
* This is called by Worker when it loses responsibility for a shard.
*
* @return true if shutdown is complete (false if shutdown is still in progress)
*/
synchronized boolean beginShutdown() {
markForShutdown(ShutdownReason.ZOMBIE);
checkAndSubmitNextTask();
return isShutdown();
}
synchronized void markForShutdown(ShutdownReason reason) {
// ShutdownReason.ZOMBIE takes precedence over TERMINATE (we won't be able to save checkpoint at end of shard)
if (shutdownReason == null || shutdownReason.canTransitionTo(reason)) {
shutdownReason = reason;
}
}
/**
* Used (by Worker) to check if this ShardConsumer instance has been shutdown
* RecordProcessor shutdown() has been invoked, as appropriate.
*
* @return true if shutdown is complete
*/
boolean isShutdown() {
return currentState.isTerminal();
}
/**
* @return the shutdownReason
*/
ShutdownReason getShutdownReason() {
return shutdownReason;
}
/**
* Figure out next task to run based on current state, task, and shutdown context.
*
* @return Return next task to run
*/
private ITask getNextTask() {
ITask nextTask = currentState.createTask(this);
if (nextTask == null) {
return null;
} else {
return new MetricsCollectingTaskDecorator(nextTask, metricsFactory);
}
}
/**
* Note: This is a private/internal method with package level access solely for testing purposes.
* Update state based on information about: task success, current state, and shutdown info.
*
* @param taskOutcome The outcome of the last task
*/
void updateState(TaskOutcome taskOutcome) {
if (taskOutcome == TaskOutcome.END_OF_SHARD) {
markForShutdown(ShutdownReason.TERMINATE);
LOG.info("Shard " + shardInfo.getShardId() + ": Mark for shutdown with reason TERMINATE");
}
if (taskOutcome == TaskOutcome.LEASE_NOT_FOUND) {
markForShutdown(ShutdownReason.ZOMBIE);
LOG.info("Shard " + shardInfo.getShardId() + ": Mark for shutdown with reason ZOMBIE as lease was not found");
}
if (isShutdownRequested() && taskOutcome != TaskOutcome.FAILURE) {
currentState = currentState.shutdownTransition(shutdownReason);
} else if (isShutdownRequested() && ConsumerStates.ShardConsumerState.WAITING_ON_PARENT_SHARDS.equals(currentState.getState())) {
currentState = currentState.shutdownTransition(shutdownReason);
} else if (taskOutcome == TaskOutcome.SUCCESSFUL) {
if (currentState.getTaskType() == currentTask.getTaskType()) {
currentState = currentState.successTransition();
} else {
LOG.error("Current State task type of '" + currentState.getTaskType()
+ "' doesn't match the current tasks type of '" + currentTask.getTaskType()
+ "'. This shouldn't happen, and indicates a programming error. "
+ "Unable to safely transition to the next state.");
}
}
//
// Don't change state otherwise
//
}
@VisibleForTesting
boolean isShutdownRequested() {
return shutdownReason != null;
}
/**
* Private/Internal method - has package level access solely for testing purposes.
*
* @return the currentState
*/
ConsumerStates.ShardConsumerState getCurrentState() {
return currentState.getState();
}
StreamConfig getStreamConfig() {
return streamConfig;
}
IRecordProcessor getRecordProcessor() {
return recordProcessor;
}
RecordProcessorCheckpointer getRecordProcessorCheckpointer() {
return recordProcessorCheckpointer;
}
ExecutorService getExecutorService() {
return executorService;
}
ShardInfo getShardInfo() {
return shardInfo;
}
KinesisDataFetcher getDataFetcher() {
return dataFetcher;
}
ILeaseManager<KinesisClientLease> getLeaseManager() {
return leaseCoordinator.getLeaseManager();
}
KinesisClientLibLeaseCoordinator getLeaseCoordinator() {
return leaseCoordinator;
}
ICheckpoint getCheckpoint() {
return checkpoint;
}
long getParentShardPollIntervalMillis() {
return parentShardPollIntervalMillis;
}
boolean isCleanupLeasesOfCompletedShards() {
return cleanupLeasesOfCompletedShards;
}
boolean isIgnoreUnexpectedChildShards() {
return config.shouldIgnoreUnexpectedChildShards();
}
long getTaskBackoffTimeMillis() {
return taskBackoffTimeMillis;
}
Future<TaskResult> getFuture() {
return future;
}
ShutdownNotification getShutdownNotification() {
return shutdownNotification;
}
ShardSyncStrategy getShardSyncStrategy() {
return shardSyncStrategy;
}
LeaseCleanupManager getLeaseCleanupManager() {
return leaseCleanupManager;
}
}

4
src/main/java/com/amazonaws/services/kinesis/clientlibrary/lib/worker/ShutdownNotificationTask.java
View file

@ -21,14 +21,14 @@ import com.amazonaws.services.kinesis.clientlibrary.interfaces.v2.IShutdownNotif
/** /**
* Notifies record processor of incoming shutdown request, and gives them a chance to checkpoint. * Notifies record processor of incoming shutdown request, and gives them a chance to checkpoint.
*/ */
class ShutdownNotificationTask implements ITask { public class ShutdownNotificationTask implements ITask {
private final IRecordProcessor recordProcessor; private final IRecordProcessor recordProcessor;
private final IRecordProcessorCheckpointer recordProcessorCheckpointer; private final IRecordProcessorCheckpointer recordProcessorCheckpointer;
private final ShutdownNotification shutdownNotification; private final ShutdownNotification shutdownNotification;
private final ShardInfo shardInfo; private final ShardInfo shardInfo;
ShutdownNotificationTask(IRecordProcessor recordProcessor, IRecordProcessorCheckpointer recordProcessorCheckpointer, ShutdownNotification shutdownNotification, ShardInfo shardInfo) { public ShutdownNotificationTask(IRecordProcessor recordProcessor, IRecordProcessorCheckpointer recordProcessorCheckpointer, ShutdownNotification shutdownNotification, ShardInfo shardInfo) {
this.recordProcessor = recordProcessor; this.recordProcessor = recordProcessor;
this.recordProcessorCheckpointer = recordProcessorCheckpointer; this.recordProcessorCheckpointer = recordProcessorCheckpointer;
this.shutdownNotification = shutdownNotification; this.shutdownNotification = shutdownNotification;

6
src/main/java/com/amazonaws/services/kinesis/clientlibrary/lib/worker/ShutdownReason.java
View file

@ -15,8 +15,8 @@
package com.amazonaws.services.kinesis.clientlibrary.lib.worker; package com.amazonaws.services.kinesis.clientlibrary.lib.worker;
import com.amazonaws.services.kinesis.clientlibrary.types.ShutdownInput; import com.amazonaws.services.kinesis.clientlibrary.types.ShutdownInput;
import static com.amazonaws.services.kinesis.clientlibrary.lib.worker.ConsumerStates.ConsumerState; import static com.amazonaws.services.kinesis.clientlibrary.lib.worker.KinesisConsumerStates.ConsumerState;
import static com.amazonaws.services.kinesis.clientlibrary.lib.worker.ConsumerStates.ShardConsumerState; import static com.amazonaws.services.kinesis.clientlibrary.lib.worker.KinesisConsumerStates.ShardConsumerState;
/** /**
@ -72,7 +72,7 @@ public enum ShutdownReason {
return reason.rank > this.rank; return reason.rank > this.rank;
} }
ConsumerState getShutdownState() { public ConsumerState getShutdownState() {
return shutdownState; return shutdownState;
} }
} }

338
src/main/java/com/amazonaws/services/kinesis/clientlibrary/lib/worker/ShutdownTask.java
View file

@ -1,338 +0,0 @@
/*
* Copyright 2019 Amazon.com, Inc. or its affiliates.
* Licensed under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.amazonaws.services.kinesis.clientlibrary.lib.worker;
import com.amazonaws.services.kinesis.leases.LeasePendingDeletion;
import com.amazonaws.services.kinesis.clientlibrary.exceptions.internal.BlockedOnParentShardException;
import com.amazonaws.services.kinesis.leases.exceptions.CustomerApplicationException;
import com.amazonaws.services.kinesis.leases.exceptions.DependencyException;
import com.amazonaws.services.kinesis.leases.exceptions.InvalidStateException;
import com.amazonaws.services.kinesis.leases.exceptions.ProvisionedThroughputException;
import com.amazonaws.services.kinesis.leases.impl.LeaseCleanupManager;
import com.amazonaws.services.kinesis.leases.impl.UpdateField;
import com.amazonaws.services.kinesis.model.ChildShard;
import com.amazonaws.util.CollectionUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import com.amazonaws.services.kinesis.clientlibrary.interfaces.v2.IRecordProcessor;
import com.amazonaws.services.kinesis.clientlibrary.proxies.IKinesisProxy;
import com.amazonaws.services.kinesis.clientlibrary.types.ExtendedSequenceNumber;
import com.amazonaws.services.kinesis.clientlibrary.types.ShutdownInput;
import com.amazonaws.services.kinesis.leases.impl.KinesisClientLease;
import com.google.common.annotations.VisibleForTesting;
import java.util.List;
import java.util.Objects;
import java.util.Optional;
import java.util.Random;
import java.util.Set;
import java.util.stream.Collectors;
/**
* Task for invoking the RecordProcessor shutdown() callback.
*/
class ShutdownTask implements ITask {
private static final Log LOG = LogFactory.getLog(ShutdownTask.class);
@VisibleForTesting
static final int RETRY_RANDOM_MAX_RANGE = 50;
private final ShardInfo shardInfo;
private final IRecordProcessor recordProcessor;
private final RecordProcessorCheckpointer recordProcessorCheckpointer;
private final ShutdownReason reason;
private final IKinesisProxy kinesisProxy;
private final KinesisClientLibLeaseCoordinator leaseCoordinator;
private final InitialPositionInStreamExtended initialPositionInStream;
private final boolean cleanupLeasesOfCompletedShards;
private final boolean ignoreUnexpectedChildShards;
private final TaskType taskType = TaskType.SHUTDOWN;
private final long backoffTimeMillis;
private final GetRecordsCache getRecordsCache;
private final ShardSyncer shardSyncer;
private final ShardSyncStrategy shardSyncStrategy;
private final List<ChildShard> childShards;
private final LeaseCleanupManager leaseCleanupManager;
/**
* Constructor.
*/
// CHECKSTYLE:IGNORE ParameterNumber FOR NEXT 10 LINES
ShutdownTask(ShardInfo shardInfo,
IRecordProcessor recordProcessor,
RecordProcessorCheckpointer recordProcessorCheckpointer,
ShutdownReason reason,
IKinesisProxy kinesisProxy,
InitialPositionInStreamExtended initialPositionInStream,
boolean cleanupLeasesOfCompletedShards,
boolean ignoreUnexpectedChildShards,
KinesisClientLibLeaseCoordinator leaseCoordinator,
long backoffTimeMillis,
GetRecordsCache getRecordsCache, ShardSyncer shardSyncer,
ShardSyncStrategy shardSyncStrategy, List<ChildShard> childShards,
LeaseCleanupManager leaseCleanupManager) {
this.shardInfo = shardInfo;
this.recordProcessor = recordProcessor;
this.recordProcessorCheckpointer = recordProcessorCheckpointer;
this.reason = reason;
this.kinesisProxy = kinesisProxy;
this.initialPositionInStream = initialPositionInStream;
this.cleanupLeasesOfCompletedShards = cleanupLeasesOfCompletedShards;
this.ignoreUnexpectedChildShards = ignoreUnexpectedChildShards;
this.leaseCoordinator = leaseCoordinator;
this.backoffTimeMillis = backoffTimeMillis;
this.getRecordsCache = getRecordsCache;
this.shardSyncer = shardSyncer;
this.shardSyncStrategy = shardSyncStrategy;
this.childShards = childShards;
this.leaseCleanupManager = leaseCleanupManager;
}
/*
* Invokes RecordProcessor shutdown() API.
* (non-Javadoc)
*
* @see com.amazonaws.services.kinesis.clientlibrary.lib.worker.ITask#call()
*/
@Override
public TaskResult call() {
Exception exception;
LOG.info("Invoking shutdown() for shard " + shardInfo.getShardId() + ", concurrencyToken: "
+ shardInfo.getConcurrencyToken() + ", original Shutdown reason: " + reason + ". childShards:" + childShards);
try {
final KinesisClientLease currentShardLease = leaseCoordinator.getCurrentlyHeldLease(shardInfo.getShardId());
final Runnable leaseLostAction = () -> takeLeaseLostAction();
if (reason == ShutdownReason.TERMINATE) {
try {
takeShardEndAction(currentShardLease);
} catch (InvalidStateException e) {
// If InvalidStateException happens, it indicates we have a non recoverable error in short term.
// In this scenario, we should shutdown the shardConsumer with ZOMBIE reason to allow other worker to take the lease and retry shutting down.
LOG.warn("Lease " + shardInfo.getShardId() + ": Invalid state encountered while shutting down shardConsumer with TERMINATE reason. " +
"Dropping the lease and shutting down shardConsumer using ZOMBIE reason. ", e);
dropLease(currentShardLease);
throwOnApplicationException(leaseLostAction);
}
} else {
throwOnApplicationException(leaseLostAction);
}
LOG.debug("Shutting down retrieval strategy.");
getRecordsCache.shutdown();
LOG.debug("Record processor completed shutdown() for shard " + shardInfo.getShardId());
return new TaskResult(null);
} catch (Exception e) {
if (e instanceof CustomerApplicationException) {
LOG.error("Shard " + shardInfo.getShardId() + ": Application exception: ", e);
} else {
LOG.error("Shard " + shardInfo.getShardId() + ": Caught exception: ", e);
}
exception = e;
// backoff if we encounter an exception.
try {
Thread.sleep(this.backoffTimeMillis);
} catch (InterruptedException ie) {
LOG.debug("Interrupted sleep", ie);
}
}
return new TaskResult(exception);
}
// Involves persisting child shard info, attempt to checkpoint and enqueueing lease for cleanup.
private void takeShardEndAction(KinesisClientLease currentShardLease)
throws InvalidStateException, DependencyException, ProvisionedThroughputException, CustomerApplicationException {
// Create new lease for the child shards if they don't exist.
// We have one valid scenario that shutdown task got created with SHARD_END reason and an empty list of childShards.
// This would happen when KinesisDataFetcher catches ResourceNotFound exception.
// In this case, KinesisDataFetcher will send out SHARD_END signal to trigger a shutdown task with empty list of childShards.
// This scenario could happen when customer deletes the stream while leaving the KCL application running.
if (currentShardLease == null) {
throw new InvalidStateException("Shard " + shardInfo.getShardId() + ": Lease not owned by the current worker. Leaving ShardEnd handling to new owner.");
}
if (!CollectionUtils.isNullOrEmpty(childShards)) {
// If childShards is not empty, create new leases for the childShards and update the current lease with the childShards lease information.
createLeasesForChildShardsIfNotExist();
updateCurrentLeaseWithChildShards(currentShardLease);
} else {
LOG.warn("Shard " + shardInfo.getShardId()
+ ": Shutting down consumer with SHARD_END reason without creating leases for child shards.");
}
// Checkpoint with SHARD_END sequence number.
final LeasePendingDeletion leasePendingDeletion = new LeasePendingDeletion(currentShardLease, shardInfo);
if (!leaseCleanupManager.isEnqueuedForDeletion(leasePendingDeletion)) {
boolean isSuccess = false;
try {
isSuccess = attemptShardEndCheckpointing();
} finally {
// Check if either the shard end ddb persist is successful or
// if childshards is empty. When child shards is empty then either it is due to
// completed shard being reprocessed or we got RNF from service.
// For these cases enqueue the lease for deletion.
if (isSuccess || CollectionUtils.isNullOrEmpty(childShards)) {
leaseCleanupManager.enqueueForDeletion(leasePendingDeletion);
}
}
}
}
private void takeLeaseLostAction() {
final ShutdownInput leaseLostShutdownInput = new ShutdownInput()
.withShutdownReason(ShutdownReason.ZOMBIE)
.withCheckpointer(recordProcessorCheckpointer);
recordProcessor.shutdown(leaseLostShutdownInput);
}
private boolean attemptShardEndCheckpointing()
throws DependencyException, ProvisionedThroughputException, InvalidStateException, CustomerApplicationException {
final KinesisClientLease leaseFromDdb = Optional.ofNullable(leaseCoordinator.getLeaseManager().getLease(shardInfo.getShardId()))
.orElseThrow(() -> new InvalidStateException("Lease for shard " + shardInfo.getShardId() + " does not exist."));
if (!leaseFromDdb.getCheckpoint().equals(ExtendedSequenceNumber.SHARD_END)) {
// Call the recordProcessor to checkpoint with SHARD_END sequence number.
// The recordProcessor.shutdown is implemented by customer. We should validate if the SHARD_END checkpointing is successful after calling recordProcessor.shutdown.
throwOnApplicationException(() -> applicationCheckpointAndVerification());
}
return true;
}
private void applicationCheckpointAndVerification() {
recordProcessorCheckpointer.setSequenceNumberAtShardEnd(
recordProcessorCheckpointer.getLargestPermittedCheckpointValue());
recordProcessorCheckpointer.setLargestPermittedCheckpointValue(ExtendedSequenceNumber.SHARD_END);
final ShutdownInput shardEndShutdownInput = new ShutdownInput()
.withShutdownReason(ShutdownReason.TERMINATE)
.withCheckpointer(recordProcessorCheckpointer);
recordProcessor.shutdown(shardEndShutdownInput);
boolean successfullyCheckpointedShardEnd = false;
KinesisClientLease leaseFromDdb = null;
try {
leaseFromDdb = leaseCoordinator.getLeaseManager().getLease(shardInfo.getShardId());
} catch (Exception e) {
LOG.error("Shard " + shardInfo.getShardId() + " : Unable to get lease entry for shard to verify shard end checkpointing.", e);
}
if (leaseFromDdb != null && leaseFromDdb.getCheckpoint() != null) {
successfullyCheckpointedShardEnd = leaseFromDdb.getCheckpoint().equals(ExtendedSequenceNumber.SHARD_END);
final ExtendedSequenceNumber lastCheckpointValue = recordProcessorCheckpointer.getLastCheckpointValue();
if (!leaseFromDdb.getCheckpoint().equals(lastCheckpointValue)) {
LOG.error("Shard " + shardInfo.getShardId() +
" : Checkpoint information mismatch between authoritative source and local cache. " +
"This does not affect the application flow, but cut a ticket to Kinesis when you see this. " +
"Authoritative entry : " + leaseFromDdb.getCheckpoint() + " Cache entry : " + lastCheckpointValue);
}
} else {
LOG.error("Shard " + shardInfo.getShardId() + " : No lease checkpoint entry for shard to verify shard end checkpointing. Lease Entry : " + leaseFromDdb);
}
if (!successfullyCheckpointedShardEnd) {
throw new IllegalArgumentException("Application didn't checkpoint at end of shard "
+ shardInfo.getShardId() + ". Application must checkpoint upon shutdown. " +
"See IRecordProcessor.shutdown javadocs for more information.");
}
}
private void throwOnApplicationException(Runnable action) throws CustomerApplicationException {
try {
action.run();
} catch (Exception e) {
throw new CustomerApplicationException("Customer application throws exception for shard " + shardInfo.getShardId(), e);
}
}
private void createLeasesForChildShardsIfNotExist() throws InvalidStateException, DependencyException, ProvisionedThroughputException {
// For child shard resulted from merge of two parent shards, verify if both the parents are either present or
// not present in the lease table before creating the lease entry.
if (!CollectionUtils.isNullOrEmpty(childShards) && childShards.size() == 1) {
final ChildShard childShard = childShards.get(0);
final List<String> parentLeaseKeys = childShard.getParentShards();
if (parentLeaseKeys.size() != 2) {
throw new InvalidStateException("Shard " + shardInfo.getShardId()+ "'s only child shard " + childShard
+ " does not contain other parent information.");
} else {
boolean isValidLeaseTableState = Objects.isNull(leaseCoordinator.getLeaseManager().getLease(parentLeaseKeys.get(0))) ==
Objects.isNull(leaseCoordinator.getLeaseManager().getLease(parentLeaseKeys.get(1)));
if (!isValidLeaseTableState) {
if(!isOneInNProbability(RETRY_RANDOM_MAX_RANGE)) {
throw new BlockedOnParentShardException(
"Shard " + shardInfo.getShardId() + "'s only child shard " + childShard
+ " has partial parent information in lease table. Hence deferring lease creation of child shard.");
} else {
throw new InvalidStateException("Shard " + shardInfo.getShardId() + "'s only child shard " + childShard
+ " has partial parent information in lease table.");
}
}
}
}
// Attempt create leases for child shards.
for (ChildShard childShard : childShards) {
final String leaseKey = childShard.getShardId();
if (leaseCoordinator.getLeaseManager().getLease(leaseKey) == null) {
final KinesisClientLease leaseToCreate = KinesisShardSyncer.newKCLLeaseForChildShard(childShard);
leaseCoordinator.getLeaseManager().createLeaseIfNotExists(leaseToCreate);
LOG.info("Shard " + shardInfo.getShardId() + " : Created child shard lease: " + leaseToCreate.getLeaseKey());
}
}
}
/**
* Returns true for 1 in N probability.
*/
@VisibleForTesting
boolean isOneInNProbability(int n) {
Random r = new Random();
return 1 == r.nextInt((n - 1) + 1) + 1;
}
private void updateCurrentLeaseWithChildShards(KinesisClientLease currentLease) throws DependencyException, InvalidStateException, ProvisionedThroughputException {
final Set<String> childShardIds = childShards.stream().map(ChildShard::getShardId).collect(Collectors.toSet());
currentLease.setChildShardIds(childShardIds);
leaseCoordinator.getLeaseManager().updateLeaseWithMetaInfo(currentLease, UpdateField.CHILD_SHARDS);
LOG.info("Shard " + shardInfo.getShardId() + ": Updated current lease with child shard information: " + currentLease.getLeaseKey());
}
/*
* (non-Javadoc)
*
* @see com.amazonaws.services.kinesis.clientlibrary.lib.worker.ITask#getTaskType()
*/
@Override
public TaskType getTaskType() {
return taskType;
}
@VisibleForTesting
ShutdownReason getReason() {
return reason;
}
private void dropLease(KinesisClientLease currentShardLease) {
if (currentShardLease == null) {
LOG.warn("Shard " + shardInfo.getShardId() + ": Unable to find the lease for shard. Will shutdown the shardConsumer directly.");
return;
}
leaseCoordinator.dropLease(currentShardLease);
LOG.warn("Dropped lease for shutting down ShardConsumer: " + currentShardLease.getLeaseKey());
}
}

8
src/main/java/com/amazonaws/services/kinesis/clientlibrary/lib/worker/StreamConfig.java
View file

@ -19,7 +19,7 @@ import com.amazonaws.services.kinesis.clientlibrary.proxies.IKinesisProxy;
/** /**
* Used to capture stream configuration and pass it along. * Used to capture stream configuration and pass it along.
*/ */
class StreamConfig { public class StreamConfig {
private final IKinesisProxy streamProxy; private final IKinesisProxy streamProxy;
private final int maxRecords; private final int maxRecords;
@ -54,7 +54,7 @@ class StreamConfig {
/** /**
* @return the streamProxy * @return the streamProxy
*/ */
IKinesisProxy getStreamProxy() { public IKinesisProxy getStreamProxy() {
return streamProxy; return streamProxy;
} }
@ -82,14 +82,14 @@ class StreamConfig {
/** /**
* @return the initialPositionInStream * @return the initialPositionInStream
*/ */
InitialPositionInStreamExtended getInitialPositionInStream() { public InitialPositionInStreamExtended getInitialPositionInStream() {
return initialPositionInStream; return initialPositionInStream;
} }
/** /**
* @return validateSequenceNumberBeforeCheckpointing * @return validateSequenceNumberBeforeCheckpointing
*/ */
boolean shouldValidateSequenceNumberBeforeCheckpointing() { public boolean shouldValidateSequenceNumberBeforeCheckpointing() {
return validateSequenceNumberBeforeCheckpointing; return validateSequenceNumberBeforeCheckpointing;
} }
} }

4
src/main/java/com/amazonaws/services/kinesis/clientlibrary/lib/worker/SynchronousGetRecordsRetrievalStrategy.java
View file

@ -24,7 +24,7 @@ import lombok.NonNull;
@Data @Data
public class SynchronousGetRecordsRetrievalStrategy implements GetRecordsRetrievalStrategy { public class SynchronousGetRecordsRetrievalStrategy implements GetRecordsRetrievalStrategy {
@NonNull @NonNull
private final KinesisDataFetcher dataFetcher; private final IDataFetcher dataFetcher;
@Override @Override
public GetRecordsResult getRecords(final int maxRecords) { public GetRecordsResult getRecords(final int maxRecords) {
@ -44,7 +44,7 @@ public class SynchronousGetRecordsRetrievalStrategy implements GetRecordsRetriev
} }
@Override @Override
public KinesisDataFetcher getDataFetcher() { public IDataFetcher getDataFetcher() {
return dataFetcher; return dataFetcher;
} }
} }

25
src/main/java/com/amazonaws/services/kinesis/clientlibrary/lib/worker/Worker.java
View file

@ -137,7 +137,7 @@ public class Worker implements Runnable {
// Holds consumers for shards the worker is currently tracking. Key is shard // Holds consumers for shards the worker is currently tracking. Key is shard
// info, value is ShardConsumer. // info, value is ShardConsumer.
private ConcurrentMap<ShardInfo, ShardConsumer> shardInfoShardConsumerMap = new ConcurrentHashMap<ShardInfo, ShardConsumer>(); private ConcurrentMap<ShardInfo, IShardConsumer> shardInfoShardConsumerMap = new ConcurrentHashMap<ShardInfo, IShardConsumer>();
private final boolean cleanupLeasesUponShardCompletion; private final boolean cleanupLeasesUponShardCompletion;
private final boolean skipShardSyncAtWorkerInitializationIfLeasesExist; private final boolean skipShardSyncAtWorkerInitializationIfLeasesExist;
@ -687,7 +687,7 @@ public class Worker implements Runnable {
boolean foundCompletedShard = false; boolean foundCompletedShard = false;
Set<ShardInfo> assignedShards = new HashSet<>(); Set<ShardInfo> assignedShards = new HashSet<>();
for (ShardInfo shardInfo : getShardInfoForAssignments()) { for (ShardInfo shardInfo : getShardInfoForAssignments()) {
ShardConsumer shardConsumer = createOrGetShardConsumer(shardInfo, recordProcessorFactory); IShardConsumer shardConsumer = createOrGetShardConsumer(shardInfo, recordProcessorFactory);
if (shardConsumer.isShutdown() && shardConsumer.getShutdownReason().equals(ShutdownReason.TERMINATE)) { if (shardConsumer.isShutdown() && shardConsumer.getShutdownReason().equals(ShutdownReason.TERMINATE)) {
foundCompletedShard = true; foundCompletedShard = true;
} else { } else {
@ -695,10 +695,8 @@ public class Worker implements Runnable {
} }
assignedShards.add(shardInfo); assignedShards.add(shardInfo);
} }
// clean up shard consumers for unassigned shards // clean up shard consumers for unassigned shards
cleanupShardConsumers(assignedShards); cleanupShardConsumers(assignedShards);
wlog.info("Sleeping ..."); wlog.info("Sleeping ...");
Thread.sleep(idleTimeInMilliseconds); Thread.sleep(idleTimeInMilliseconds);
} catch (Exception e) { } catch (Exception e) {
@ -983,9 +981,9 @@ public class Worker implements Runnable {
ShutdownNotification shutdownNotification = new ShardConsumerShutdownNotification(leaseCoordinator, ShutdownNotification shutdownNotification = new ShardConsumerShutdownNotification(leaseCoordinator,
lease, notificationCompleteLatch, shutdownCompleteLatch); lease, notificationCompleteLatch, shutdownCompleteLatch);
ShardInfo shardInfo = KinesisClientLibLeaseCoordinator.convertLeaseToAssignment(lease); ShardInfo shardInfo = KinesisClientLibLeaseCoordinator.convertLeaseToAssignment(lease);
ShardConsumer consumer = shardInfoShardConsumerMap.get(shardInfo); IShardConsumer consumer = shardInfoShardConsumerMap.get(shardInfo);
if (consumer == null || ConsumerStates.ShardConsumerState.SHUTDOWN_COMPLETE.equals(consumer.getCurrentState())) { if (consumer == null || KinesisConsumerStates.ShardConsumerState.SHUTDOWN_COMPLETE.equals(consumer.getCurrentState())) {
// //
// CASE1: There is a race condition between retrieving the current assignments, and creating the // CASE1: There is a race condition between retrieving the current assignments, and creating the
// notification. If the a lease is lost in between these two points, we explicitly decrement the // notification. If the a lease is lost in between these two points, we explicitly decrement the
@ -1007,7 +1005,7 @@ public class Worker implements Runnable {
return shutdownComplete; return shutdownComplete;
} }
ConcurrentMap<ShardInfo, ShardConsumer> getShardInfoShardConsumerMap() { ConcurrentMap<ShardInfo, IShardConsumer> getShardInfoShardConsumerMap() {
return shardInfoShardConsumerMap; return shardInfoShardConsumerMap;
} }
@ -1107,8 +1105,8 @@ public class Worker implements Runnable {
* RecordProcessor factory * RecordProcessor factory
* @return ShardConsumer for the shard * @return ShardConsumer for the shard
*/ */
ShardConsumer createOrGetShardConsumer(ShardInfo shardInfo, IRecordProcessorFactory processorFactory) { IShardConsumer createOrGetShardConsumer(ShardInfo shardInfo, IRecordProcessorFactory processorFactory) {
ShardConsumer consumer = shardInfoShardConsumerMap.get(shardInfo); IShardConsumer consumer = shardInfoShardConsumerMap.get(shardInfo);
// Instantiate a new consumer if we don't have one, or the one we // Instantiate a new consumer if we don't have one, or the one we
// had was from an earlier // had was from an earlier
// lease instance (and was shutdown). Don't need to create another // lease instance (and was shutdown). Don't need to create another
@ -1123,7 +1121,7 @@ public class Worker implements Runnable {
return consumer; return consumer;
} }
protected ShardConsumer buildConsumer(ShardInfo shardInfo, IRecordProcessorFactory processorFactory) { protected IShardConsumer buildConsumer(ShardInfo shardInfo, IRecordProcessorFactory processorFactory) {
final IRecordProcessor recordProcessor = processorFactory.createProcessor(); final IRecordProcessor recordProcessor = processorFactory.createProcessor();
final RecordProcessorCheckpointer recordProcessorCheckpointer = new RecordProcessorCheckpointer( final RecordProcessorCheckpointer recordProcessorCheckpointer = new RecordProcessorCheckpointer(
shardInfo, shardInfo,
@ -1134,7 +1132,11 @@ public class Worker implements Runnable {
streamConfig.shouldValidateSequenceNumberBeforeCheckpointing()), streamConfig.shouldValidateSequenceNumberBeforeCheckpointing()),
metricsFactory); metricsFactory);
return new ShardConsumer(shardInfo, if(shardConsumerFactory == null){ //Default to KinesisShardConsumerFactory if null
this.shardConsumerFactory = new KinesisShardConsumerFactory();
}
return shardConsumerFactory.createShardConsumer(shardInfo,
streamConfig, streamConfig,
checkpointTracker, checkpointTracker,
recordProcessor, recordProcessor,
@ -1146,7 +1148,6 @@ public class Worker implements Runnable {
metricsFactory, metricsFactory,
taskBackoffTimeMillis, taskBackoffTimeMillis,
skipShardSyncAtWorkerInitializationIfLeasesExist, skipShardSyncAtWorkerInitializationIfLeasesExist,
new KinesisDataFetcher(streamConfig.getStreamProxy(), shardInfo),
retryGetRecordsInSeconds, retryGetRecordsInSeconds,
maxGetRecordsThreadPool, maxGetRecordsThreadPool,
config, shardSyncer, shardSyncStrategy, config, shardSyncer, shardSyncStrategy,

16
src/test/java/com/amazonaws/services/kinesis/clientlibrary/lib/worker/ConsumerStatesTest.java
View file

@ -14,8 +14,8 @@
*/ */
package com.amazonaws.services.kinesis.clientlibrary.lib.worker; package com.amazonaws.services.kinesis.clientlibrary.lib.worker;
import static com.amazonaws.services.kinesis.clientlibrary.lib.worker.ConsumerStates.ConsumerState; import static com.amazonaws.services.kinesis.clientlibrary.lib.worker.KinesisConsumerStates.ConsumerState;
import static com.amazonaws.services.kinesis.clientlibrary.lib.worker.ConsumerStates.ShardConsumerState; import static com.amazonaws.services.kinesis.clientlibrary.lib.worker.KinesisConsumerStates.ShardConsumerState;
import static org.hamcrest.CoreMatchers.equalTo; import static org.hamcrest.CoreMatchers.equalTo;
import static org.hamcrest.CoreMatchers.nullValue; import static org.hamcrest.CoreMatchers.nullValue;
import static org.hamcrest.MatcherAssert.assertThat; import static org.hamcrest.MatcherAssert.assertThat;
@ -50,7 +50,7 @@ import com.amazonaws.services.kinesis.leases.interfaces.ILeaseManager;
public class ConsumerStatesTest { public class ConsumerStatesTest {
@Mock @Mock
private ShardConsumer consumer; private KinesisShardConsumer consumer;
@Mock @Mock
private StreamConfig streamConfig; private StreamConfig streamConfig;
@Mock @Mock
@ -251,9 +251,9 @@ public class ConsumerStatesTest {
equalTo((IRecordProcessorCheckpointer) recordProcessorCheckpointer))); equalTo((IRecordProcessorCheckpointer) recordProcessorCheckpointer)));
assertThat(task, shutdownReqTask(ShutdownNotification.class, "shutdownNotification", equalTo(shutdownNotification))); assertThat(task, shutdownReqTask(ShutdownNotification.class, "shutdownNotification", equalTo(shutdownNotification)));
assertThat(state.successTransition(), equalTo(ConsumerStates.SHUTDOWN_REQUEST_COMPLETION_STATE)); assertThat(state.successTransition(), equalTo(KinesisConsumerStates.SHUTDOWN_REQUEST_COMPLETION_STATE));
assertThat(state.shutdownTransition(ShutdownReason.REQUESTED), assertThat(state.shutdownTransition(ShutdownReason.REQUESTED),
equalTo(ConsumerStates.SHUTDOWN_REQUEST_COMPLETION_STATE)); equalTo(KinesisConsumerStates.SHUTDOWN_REQUEST_COMPLETION_STATE));
assertThat(state.shutdownTransition(ShutdownReason.ZOMBIE), assertThat(state.shutdownTransition(ShutdownReason.ZOMBIE),
equalTo(ShardConsumerState.SHUTTING_DOWN.getConsumerState())); equalTo(ShardConsumerState.SHUTTING_DOWN.getConsumerState()));
assertThat(state.shutdownTransition(ShutdownReason.TERMINATE), assertThat(state.shutdownTransition(ShutdownReason.TERMINATE),
@ -266,7 +266,7 @@ public class ConsumerStatesTest {
@Test @Test
public void shutdownRequestCompleteStateTest() { public void shutdownRequestCompleteStateTest() {
ConsumerState state = ConsumerStates.SHUTDOWN_REQUEST_COMPLETION_STATE; ConsumerState state = KinesisConsumerStates.SHUTDOWN_REQUEST_COMPLETION_STATE;
assertThat(state.createTask(consumer), nullValue()); assertThat(state.createTask(consumer), nullValue());
@ -345,9 +345,9 @@ public class ConsumerStatesTest {
verify(shutdownNotification, never()).shutdownComplete(); verify(shutdownNotification, never()).shutdownComplete();
} }
static <ValueType> ReflectionPropertyMatcher<ShutdownTask, ValueType> shutdownTask(Class<ValueType> valueTypeClass, static <ValueType> ReflectionPropertyMatcher<KinesisShutdownTask, ValueType> shutdownTask(Class<ValueType> valueTypeClass,
String propertyName, Matcher<ValueType> matcher) { String propertyName, Matcher<ValueType> matcher) {
return taskWith(ShutdownTask.class, valueTypeClass, propertyName, matcher); return taskWith(KinesisShutdownTask.class, valueTypeClass, propertyName, matcher);
} }
static <ValueType> ReflectionPropertyMatcher<ShutdownNotificationTask, ValueType> shutdownReqTask( static <ValueType> ReflectionPropertyMatcher<ShutdownNotificationTask, ValueType> shutdownReqTask(

2
src/test/java/com/amazonaws/services/kinesis/clientlibrary/lib/worker/GracefulShutdownCoordinatorTest.java
View file

@ -49,7 +49,7 @@ public class GracefulShutdownCoordinatorTest {
@Mock @Mock
private Callable<GracefulShutdownContext> contextCallable; private Callable<GracefulShutdownContext> contextCallable;
@Mock @Mock
private ConcurrentMap<ShardInfo, ShardConsumer> shardInfoConsumerMap; private ConcurrentMap<ShardInfo, IShardConsumer> shardInfoConsumerMap;
@Test @Test
public void testAllShutdownCompletedAlready() throws Exception { public void testAllShutdownCompletedAlready() throws Exception {

20
src/test/java/com/amazonaws/services/kinesis/clientlibrary/lib/worker/PeriodicShardSyncManagerTest.java
View file

@ -39,8 +39,8 @@ import java.util.Collections;
import java.util.List; import java.util.List;
import java.util.stream.Collectors; import java.util.stream.Collectors;
import static com.amazonaws.services.kinesis.clientlibrary.lib.worker.PeriodicShardSyncManager.MAX_HASH_KEY; import static com.amazonaws.services.kinesis.clientlibrary.lib.worker.KinesisPeriodicShardSyncManager.MAX_HASH_KEY;
import static com.amazonaws.services.kinesis.clientlibrary.lib.worker.PeriodicShardSyncManager.MIN_HASH_KEY; import static com.amazonaws.services.kinesis.clientlibrary.lib.worker.KinesisPeriodicShardSyncManager.MIN_HASH_KEY;
import static com.amazonaws.services.kinesis.leases.impl.HashKeyRangeForLease.deserialize; import static com.amazonaws.services.kinesis.leases.impl.HashKeyRangeForLease.deserialize;
import static org.mockito.Mockito.when; import static org.mockito.Mockito.when;
@ -52,10 +52,10 @@ public class PeriodicShardSyncManagerTest {
public static final int LEASES_RECOVERY_AUDITOR_INCONSISTENCY_CONFIDENCE_THRESHOLD = 3; public static final int LEASES_RECOVERY_AUDITOR_INCONSISTENCY_CONFIDENCE_THRESHOLD = 3;
/** Manager for PERIODIC shard sync strategy */ /** Manager for PERIODIC shard sync strategy */
private PeriodicShardSyncManager periodicShardSyncManager; private KinesisPeriodicShardSyncManager periodicShardSyncManager;
/** Manager for SHARD_END shard sync strategy */ /** Manager for SHARD_END shard sync strategy */
private PeriodicShardSyncManager auditorPeriodicShardSyncManager; private KinesisPeriodicShardSyncManager auditorPeriodicShardSyncManager;
@Mock @Mock
private LeaderDecider leaderDecider; private LeaderDecider leaderDecider;
@ -70,10 +70,10 @@ public class PeriodicShardSyncManagerTest {
@Before @Before
public void setup() { public void setup() {
periodicShardSyncManager = new PeriodicShardSyncManager(WORKER_ID, leaderDecider, shardSyncTask, periodicShardSyncManager = new KinesisPeriodicShardSyncManager(WORKER_ID, leaderDecider, shardSyncTask,
metricsFactory, leaseManager, kinesisProxy, false, LEASES_RECOVERY_AUDITOR_EXECUTION_FREQUENCY_MILLIS, metricsFactory, leaseManager, kinesisProxy, false, LEASES_RECOVERY_AUDITOR_EXECUTION_FREQUENCY_MILLIS,
LEASES_RECOVERY_AUDITOR_INCONSISTENCY_CONFIDENCE_THRESHOLD); LEASES_RECOVERY_AUDITOR_INCONSISTENCY_CONFIDENCE_THRESHOLD);
auditorPeriodicShardSyncManager = new PeriodicShardSyncManager(WORKER_ID, leaderDecider, shardSyncTask, auditorPeriodicShardSyncManager = new KinesisPeriodicShardSyncManager(WORKER_ID, leaderDecider, shardSyncTask,
metricsFactory, leaseManager, kinesisProxy, true, LEASES_RECOVERY_AUDITOR_EXECUTION_FREQUENCY_MILLIS, metricsFactory, leaseManager, kinesisProxy, true, LEASES_RECOVERY_AUDITOR_EXECUTION_FREQUENCY_MILLIS,
LEASES_RECOVERY_AUDITOR_INCONSISTENCY_CONFIDENCE_THRESHOLD); LEASES_RECOVERY_AUDITOR_INCONSISTENCY_CONFIDENCE_THRESHOLD);
} }
@ -92,7 +92,7 @@ public class PeriodicShardSyncManagerTest {
lease.setCheckpoint(ExtendedSequenceNumber.TRIM_HORIZON); lease.setCheckpoint(ExtendedSequenceNumber.TRIM_HORIZON);
return lease; return lease;
}).collect(Collectors.toList()); }).collect(Collectors.toList());
Assert.assertTrue(PeriodicShardSyncManager Assert.assertTrue(KinesisPeriodicShardSyncManager
.checkForHoleInHashKeyRanges(hashRanges).isPresent()); .checkForHoleInHashKeyRanges(hashRanges).isPresent());
} }
@ -110,7 +110,7 @@ public class PeriodicShardSyncManagerTest {
lease.setCheckpoint(ExtendedSequenceNumber.TRIM_HORIZON); lease.setCheckpoint(ExtendedSequenceNumber.TRIM_HORIZON);
return lease; return lease;
}).collect(Collectors.toList()); }).collect(Collectors.toList());
Assert.assertFalse(PeriodicShardSyncManager Assert.assertFalse(KinesisPeriodicShardSyncManager
.checkForHoleInHashKeyRanges(hashRanges).isPresent()); .checkForHoleInHashKeyRanges(hashRanges).isPresent());
} }
@ -128,7 +128,7 @@ public class PeriodicShardSyncManagerTest {
lease.setCheckpoint(ExtendedSequenceNumber.TRIM_HORIZON); lease.setCheckpoint(ExtendedSequenceNumber.TRIM_HORIZON);
return lease; return lease;
}).collect(Collectors.toList()); }).collect(Collectors.toList());
Assert.assertFalse(PeriodicShardSyncManager Assert.assertFalse(KinesisPeriodicShardSyncManager
.checkForHoleInHashKeyRanges(hashRanges).isPresent()); .checkForHoleInHashKeyRanges(hashRanges).isPresent());
} }
@ -147,7 +147,7 @@ public class PeriodicShardSyncManagerTest {
lease.setCheckpoint(ExtendedSequenceNumber.TRIM_HORIZON); lease.setCheckpoint(ExtendedSequenceNumber.TRIM_HORIZON);
return lease; return lease;
}).collect(Collectors.toList()); }).collect(Collectors.toList());
Assert.assertFalse(PeriodicShardSyncManager Assert.assertFalse(KinesisPeriodicShardSyncManager
.checkForHoleInHashKeyRanges(hashRanges).isPresent()); .checkForHoleInHashKeyRanges(hashRanges).isPresent());
} }

164
src/test/java/com/amazonaws/services/kinesis/clientlibrary/lib/worker/ShardConsumerTest.java
View file

@ -85,7 +85,7 @@ import com.amazonaws.services.kinesis.model.Shard;
import com.amazonaws.services.kinesis.model.ShardIteratorType; import com.amazonaws.services.kinesis.model.ShardIteratorType;
/** /**
* Unit tests of {@link ShardConsumer}. * Unit tests of {@link KinesisShardConsumer}.
*/ */
@RunWith(MockitoJUnitRunner.class) @RunWith(MockitoJUnitRunner.class)
public class ShardConsumerTest { public class ShardConsumerTest {
@ -160,8 +160,8 @@ public class ShardConsumerTest {
callProcessRecordsForEmptyRecordList, callProcessRecordsForEmptyRecordList,
skipCheckpointValidationValue, INITIAL_POSITION_LATEST); skipCheckpointValidationValue, INITIAL_POSITION_LATEST);
ShardConsumer consumer = KinesisShardConsumer consumer =
new ShardConsumer(shardInfo, new KinesisShardConsumer(shardInfo,
streamConfig, streamConfig,
checkpoint, checkpoint,
processor, processor,
@ -175,19 +175,19 @@ public class ShardConsumerTest {
config, config,
shardSyncer, shardSyncer,
shardSyncStrategy); shardSyncStrategy);
assertThat(consumer.getCurrentState(), is(equalTo(ConsumerStates.ShardConsumerState.WAITING_ON_PARENT_SHARDS))); assertThat(consumer.getCurrentState(), is(equalTo(KinesisConsumerStates.ShardConsumerState.WAITING_ON_PARENT_SHARDS)));
consumer.consumeShard(); // initialize consumer.consumeShard(); // initialize
Thread.sleep(50L); Thread.sleep(50L);
assertThat(consumer.getCurrentState(), is(equalTo(ConsumerStates.ShardConsumerState.WAITING_ON_PARENT_SHARDS))); assertThat(consumer.getCurrentState(), is(equalTo(KinesisConsumerStates.ShardConsumerState.WAITING_ON_PARENT_SHARDS)));
consumer.consumeShard(); // initialize consumer.consumeShard(); // initialize
Thread.sleep(50L); Thread.sleep(50L);
assertThat(consumer.getCurrentState(), is(equalTo(ConsumerStates.ShardConsumerState.INITIALIZING))); assertThat(consumer.getCurrentState(), is(equalTo(KinesisConsumerStates.ShardConsumerState.INITIALIZING)));
consumer.consumeShard(); // initialize consumer.consumeShard(); // initialize
Thread.sleep(50L); Thread.sleep(50L);
assertThat(consumer.getCurrentState(), is(equalTo(ConsumerStates.ShardConsumerState.INITIALIZING))); assertThat(consumer.getCurrentState(), is(equalTo(KinesisConsumerStates.ShardConsumerState.INITIALIZING)));
consumer.consumeShard(); // initialize consumer.consumeShard(); // initialize
Thread.sleep(50L); Thread.sleep(50L);
assertThat(consumer.getCurrentState(), is(equalTo(ConsumerStates.ShardConsumerState.INITIALIZING))); assertThat(consumer.getCurrentState(), is(equalTo(KinesisConsumerStates.ShardConsumerState.INITIALIZING)));
} }
/** /**
@ -210,8 +210,8 @@ public class ShardConsumerTest {
callProcessRecordsForEmptyRecordList, callProcessRecordsForEmptyRecordList,
skipCheckpointValidationValue, INITIAL_POSITION_LATEST); skipCheckpointValidationValue, INITIAL_POSITION_LATEST);
ShardConsumer consumer = KinesisShardConsumer consumer =
new ShardConsumer(shardInfo, new KinesisShardConsumer(shardInfo,
streamConfig, streamConfig,
checkpoint, checkpoint,
processor, processor,
@ -226,21 +226,21 @@ public class ShardConsumerTest {
shardSyncer, shardSyncer,
shardSyncStrategy); shardSyncStrategy);
assertThat(consumer.getCurrentState(), is(equalTo(ConsumerStates.ShardConsumerState.WAITING_ON_PARENT_SHARDS))); assertThat(consumer.getCurrentState(), is(equalTo(KinesisConsumerStates.ShardConsumerState.WAITING_ON_PARENT_SHARDS)));
consumer.consumeShard(); // initialize consumer.consumeShard(); // initialize
Thread.sleep(50L); Thread.sleep(50L);
assertThat(consumer.getCurrentState(), is(equalTo(ConsumerStates.ShardConsumerState.WAITING_ON_PARENT_SHARDS))); assertThat(consumer.getCurrentState(), is(equalTo(KinesisConsumerStates.ShardConsumerState.WAITING_ON_PARENT_SHARDS)));
doThrow(new RejectedExecutionException()).when(spyExecutorService).submit(any(InitializeTask.class)); doThrow(new RejectedExecutionException()).when(spyExecutorService).submit(any(InitializeTask.class));
consumer.consumeShard(); // initialize consumer.consumeShard(); // initialize
Thread.sleep(50L); Thread.sleep(50L);
assertThat(consumer.getCurrentState(), is(equalTo(ConsumerStates.ShardConsumerState.INITIALIZING))); assertThat(consumer.getCurrentState(), is(equalTo(KinesisConsumerStates.ShardConsumerState.INITIALIZING)));
consumer.consumeShard(); // initialize consumer.consumeShard(); // initialize
Thread.sleep(50L); Thread.sleep(50L);
assertThat(consumer.getCurrentState(), is(equalTo(ConsumerStates.ShardConsumerState.INITIALIZING))); assertThat(consumer.getCurrentState(), is(equalTo(KinesisConsumerStates.ShardConsumerState.INITIALIZING)));
consumer.consumeShard(); // initialize consumer.consumeShard(); // initialize
Thread.sleep(50L); Thread.sleep(50L);
assertThat(consumer.getCurrentState(), is(equalTo(ConsumerStates.ShardConsumerState.INITIALIZING))); assertThat(consumer.getCurrentState(), is(equalTo(KinesisConsumerStates.ShardConsumerState.INITIALIZING)));
} }
@Test @Test
@ -258,8 +258,8 @@ public class ShardConsumerTest {
callProcessRecordsForEmptyRecordList, callProcessRecordsForEmptyRecordList,
skipCheckpointValidationValue, INITIAL_POSITION_LATEST); skipCheckpointValidationValue, INITIAL_POSITION_LATEST);
ShardConsumer consumer = KinesisShardConsumer consumer =
new ShardConsumer(shardInfo, new KinesisShardConsumer(shardInfo,
streamConfig, streamConfig,
checkpoint, checkpoint,
processor, processor,
@ -273,19 +273,19 @@ public class ShardConsumerTest {
config, config,
shardSyncer, shardSyncer,
shardSyncStrategy); shardSyncStrategy);
assertThat(consumer.getCurrentState(), is(equalTo(ConsumerStates.ShardConsumerState.WAITING_ON_PARENT_SHARDS))); assertThat(consumer.getCurrentState(), is(equalTo(KinesisConsumerStates.ShardConsumerState.WAITING_ON_PARENT_SHARDS)));
consumer.consumeShard(); consumer.consumeShard();
Thread.sleep(50L); Thread.sleep(50L);
assertThat(consumer.getCurrentState(), is(equalTo(ConsumerStates.ShardConsumerState.WAITING_ON_PARENT_SHARDS))); assertThat(consumer.getCurrentState(), is(equalTo(KinesisConsumerStates.ShardConsumerState.WAITING_ON_PARENT_SHARDS)));
consumer.consumeShard(); consumer.consumeShard();
Thread.sleep(50L); Thread.sleep(50L);
assertThat(consumer.getCurrentState(), is(equalTo(ConsumerStates.ShardConsumerState.INITIALIZING))); assertThat(consumer.getCurrentState(), is(equalTo(KinesisConsumerStates.ShardConsumerState.INITIALIZING)));
consumer.consumeShard(); consumer.consumeShard();
Thread.sleep(50L); Thread.sleep(50L);
assertThat(consumer.getCurrentState(), is(equalTo(ConsumerStates.ShardConsumerState.SHUTTING_DOWN))); assertThat(consumer.getCurrentState(), is(equalTo(KinesisConsumerStates.ShardConsumerState.SHUTTING_DOWN)));
consumer.consumeShard(); consumer.consumeShard();
Thread.sleep(50L); Thread.sleep(50L);
assertThat(consumer.getCurrentState(), is(equalTo(ConsumerStates.ShardConsumerState.SHUTDOWN_COMPLETE))); assertThat(consumer.getCurrentState(), is(equalTo(KinesisConsumerStates.ShardConsumerState.SHUTDOWN_COMPLETE)));
} }
@ -300,8 +300,8 @@ public class ShardConsumerTest {
callProcessRecordsForEmptyRecordList, callProcessRecordsForEmptyRecordList,
skipCheckpointValidationValue, INITIAL_POSITION_LATEST); skipCheckpointValidationValue, INITIAL_POSITION_LATEST);
ShardConsumer consumer = KinesisShardConsumer consumer =
new ShardConsumer(shardInfo, new KinesisShardConsumer(shardInfo,
streamConfig, streamConfig,
checkpoint, checkpoint,
processor, processor,
@ -324,10 +324,10 @@ public class ShardConsumerTest {
when(checkpoint.getCheckpointObject(anyString())).thenReturn( when(checkpoint.getCheckpointObject(anyString())).thenReturn(
new Checkpoint(checkpointSequenceNumber, pendingCheckpointSequenceNumber)); new Checkpoint(checkpointSequenceNumber, pendingCheckpointSequenceNumber));
assertThat(consumer.getCurrentState(), is(equalTo(ConsumerStates.ShardConsumerState.WAITING_ON_PARENT_SHARDS))); assertThat(consumer.getCurrentState(), is(equalTo(KinesisConsumerStates.ShardConsumerState.WAITING_ON_PARENT_SHARDS)));
consumer.consumeShard(); // submit BlockOnParentShardTask consumer.consumeShard(); // submit BlockOnParentShardTask
Thread.sleep(50L); Thread.sleep(50L);
assertThat(consumer.getCurrentState(), is(equalTo(ConsumerStates.ShardConsumerState.WAITING_ON_PARENT_SHARDS))); assertThat(consumer.getCurrentState(), is(equalTo(KinesisConsumerStates.ShardConsumerState.WAITING_ON_PARENT_SHARDS)));
verify(processor, times(0)).initialize(any(InitializationInput.class)); verify(processor, times(0)).initialize(any(InitializationInput.class));
// Throw Error when IRecordProcessor.initialize() is invoked. // Throw Error when IRecordProcessor.initialize() is invoked.
@ -335,7 +335,7 @@ public class ShardConsumerTest {
consumer.consumeShard(); // submit InitializeTask consumer.consumeShard(); // submit InitializeTask
Thread.sleep(50L); Thread.sleep(50L);
assertThat(consumer.getCurrentState(), is(equalTo(ConsumerStates.ShardConsumerState.INITIALIZING))); assertThat(consumer.getCurrentState(), is(equalTo(KinesisConsumerStates.ShardConsumerState.INITIALIZING)));
verify(processor, times(1)).initialize(argThat( verify(processor, times(1)).initialize(argThat(
initializationInputMatcher(checkpointSequenceNumber, pendingCheckpointSequenceNumber))); initializationInputMatcher(checkpointSequenceNumber, pendingCheckpointSequenceNumber)));
@ -347,7 +347,7 @@ public class ShardConsumerTest {
assertThat(e.getCause(), instanceOf(ExecutionException.class)); assertThat(e.getCause(), instanceOf(ExecutionException.class));
} }
Thread.sleep(50L); Thread.sleep(50L);
assertThat(consumer.getCurrentState(), is(equalTo(ConsumerStates.ShardConsumerState.INITIALIZING))); assertThat(consumer.getCurrentState(), is(equalTo(KinesisConsumerStates.ShardConsumerState.INITIALIZING)));
verify(processor, times(1)).initialize(argThat( verify(processor, times(1)).initialize(argThat(
initializationInputMatcher(checkpointSequenceNumber, pendingCheckpointSequenceNumber))); initializationInputMatcher(checkpointSequenceNumber, pendingCheckpointSequenceNumber)));
@ -355,7 +355,7 @@ public class ShardConsumerTest {
consumer.consumeShard(); // submit InitializeTask again. consumer.consumeShard(); // submit InitializeTask again.
Thread.sleep(50L); Thread.sleep(50L);
assertThat(consumer.getCurrentState(), is(equalTo(ConsumerStates.ShardConsumerState.INITIALIZING))); assertThat(consumer.getCurrentState(), is(equalTo(KinesisConsumerStates.ShardConsumerState.INITIALIZING)));
verify(processor, times(2)).initialize(argThat( verify(processor, times(2)).initialize(argThat(
initializationInputMatcher(checkpointSequenceNumber, pendingCheckpointSequenceNumber))); initializationInputMatcher(checkpointSequenceNumber, pendingCheckpointSequenceNumber)));
verify(processor, times(2)).initialize(any(InitializationInput.class)); // no other calls with different args verify(processor, times(2)).initialize(any(InitializationInput.class)); // no other calls with different args
@ -363,11 +363,11 @@ public class ShardConsumerTest {
// Checking the status of submitted InitializeTask from above should pass. // Checking the status of submitted InitializeTask from above should pass.
consumer.consumeShard(); consumer.consumeShard();
Thread.sleep(50L); Thread.sleep(50L);
assertThat(consumer.getCurrentState(), is(equalTo(ConsumerStates.ShardConsumerState.PROCESSING))); assertThat(consumer.getCurrentState(), is(equalTo(KinesisConsumerStates.ShardConsumerState.PROCESSING)));
} }
/** /**
* Test method for {@link ShardConsumer#consumeShard()} * Test method for {@link KinesisShardConsumer#consumeShard()}
*/ */
@Test @Test
public final void testConsumeShard() throws Exception { public final void testConsumeShard() throws Exception {
@ -420,8 +420,8 @@ public class ShardConsumerTest {
any(IMetricsFactory.class), anyInt())) any(IMetricsFactory.class), anyInt()))
.thenReturn(getRecordsCache); .thenReturn(getRecordsCache);
ShardConsumer consumer = KinesisShardConsumer consumer =
new ShardConsumer(shardInfo, new KinesisShardConsumer(shardInfo,
streamConfig, streamConfig,
checkpoint, checkpoint,
processor, processor,
@ -440,11 +440,11 @@ public class ShardConsumerTest {
shardSyncer, shardSyncer,
shardSyncStrategy); shardSyncStrategy);
assertThat(consumer.getCurrentState(), is(equalTo(ConsumerStates.ShardConsumerState.WAITING_ON_PARENT_SHARDS))); assertThat(consumer.getCurrentState(), is(equalTo(KinesisConsumerStates.ShardConsumerState.WAITING_ON_PARENT_SHARDS)));
consumer.consumeShard(); // check on parent shards consumer.consumeShard(); // check on parent shards
Thread.sleep(50L); Thread.sleep(50L);
consumer.consumeShard(); // start initialization consumer.consumeShard(); // start initialization
assertThat(consumer.getCurrentState(), is(equalTo(ConsumerStates.ShardConsumerState.INITIALIZING))); assertThat(consumer.getCurrentState(), is(equalTo(KinesisConsumerStates.ShardConsumerState.INITIALIZING)));
consumer.consumeShard(); // initialize consumer.consumeShard(); // initialize
processor.getInitializeLatch().await(5, TimeUnit.SECONDS); processor.getInitializeLatch().await(5, TimeUnit.SECONDS);
verify(getRecordsCache).start(); verify(getRecordsCache).start();
@ -454,7 +454,7 @@ public class ShardConsumerTest {
boolean newTaskSubmitted = consumer.consumeShard(); boolean newTaskSubmitted = consumer.consumeShard();
if (newTaskSubmitted) { if (newTaskSubmitted) {
LOG.debug("New processing task was submitted, call # " + i); LOG.debug("New processing task was submitted, call # " + i);
assertThat(consumer.getCurrentState(), is(equalTo(ConsumerStates.ShardConsumerState.PROCESSING))); assertThat(consumer.getCurrentState(), is(equalTo(KinesisConsumerStates.ShardConsumerState.PROCESSING)));
// CHECKSTYLE:IGNORE ModifiedControlVariable FOR NEXT 1 LINES // CHECKSTYLE:IGNORE ModifiedControlVariable FOR NEXT 1 LINES
i += maxRecords; i += maxRecords;
} }
@ -469,21 +469,21 @@ public class ShardConsumerTest {
assertThat(processor.getNotifyShutdownLatch().await(1, TimeUnit.SECONDS), is(true)); assertThat(processor.getNotifyShutdownLatch().await(1, TimeUnit.SECONDS), is(true));
Thread.sleep(50); Thread.sleep(50);
assertThat(consumer.getShutdownReason(), equalTo(ShutdownReason.REQUESTED)); assertThat(consumer.getShutdownReason(), equalTo(ShutdownReason.REQUESTED));
assertThat(consumer.getCurrentState(), equalTo(ConsumerStates.ShardConsumerState.SHUTDOWN_REQUESTED)); assertThat(consumer.getCurrentState(), equalTo(KinesisConsumerStates.ShardConsumerState.SHUTDOWN_REQUESTED));
verify(shutdownNotification).shutdownNotificationComplete(); verify(shutdownNotification).shutdownNotificationComplete();
assertThat(processor.isShutdownNotificationCalled(), equalTo(true)); assertThat(processor.isShutdownNotificationCalled(), equalTo(true));
consumer.consumeShard(); consumer.consumeShard();
Thread.sleep(50); Thread.sleep(50);
assertThat(consumer.getCurrentState(), equalTo(ConsumerStates.ShardConsumerState.SHUTDOWN_REQUESTED)); assertThat(consumer.getCurrentState(), equalTo(KinesisConsumerStates.ShardConsumerState.SHUTDOWN_REQUESTED));
consumer.beginShutdown(); consumer.beginShutdown();
Thread.sleep(50L); Thread.sleep(50L);
assertThat(consumer.getShutdownReason(), equalTo(ShutdownReason.ZOMBIE)); assertThat(consumer.getShutdownReason(), equalTo(ShutdownReason.ZOMBIE));
assertThat(consumer.getCurrentState(), is(equalTo(ConsumerStates.ShardConsumerState.SHUTTING_DOWN))); assertThat(consumer.getCurrentState(), is(equalTo(KinesisConsumerStates.ShardConsumerState.SHUTTING_DOWN)));
consumer.beginShutdown(); consumer.beginShutdown();
consumer.consumeShard(); consumer.consumeShard();
verify(shutdownNotification, atLeastOnce()).shutdownComplete(); verify(shutdownNotification, atLeastOnce()).shutdownComplete();
assertThat(consumer.getCurrentState(), is(equalTo(ConsumerStates.ShardConsumerState.SHUTDOWN_COMPLETE))); assertThat(consumer.getCurrentState(), is(equalTo(KinesisConsumerStates.ShardConsumerState.SHUTDOWN_COMPLETE)));
assertThat(processor.getShutdownReason(), is(equalTo(ShutdownReason.ZOMBIE))); assertThat(processor.getShutdownReason(), is(equalTo(ShutdownReason.ZOMBIE)));
verify(getRecordsCache).shutdown(); verify(getRecordsCache).shutdown();
@ -524,8 +524,8 @@ public class ShardConsumerTest {
when(recordProcessorCheckpointer.getLastCheckpointValue()).thenReturn(ExtendedSequenceNumber.SHARD_END); when(recordProcessorCheckpointer.getLastCheckpointValue()).thenReturn(ExtendedSequenceNumber.SHARD_END);
when(streamConfig.getStreamProxy()).thenReturn(streamProxy); when(streamConfig.getStreamProxy()).thenReturn(streamProxy);
final ShardConsumer consumer = final KinesisShardConsumer consumer =
new ShardConsumer(shardInfo, new KinesisShardConsumer(shardInfo,
streamConfig, streamConfig,
checkpoint, checkpoint,
processor, processor,
@ -544,21 +544,21 @@ public class ShardConsumerTest {
shardSyncer, shardSyncer,
shardSyncStrategy); shardSyncStrategy);
assertThat(consumer.getCurrentState(), is(equalTo(ConsumerStates.ShardConsumerState.WAITING_ON_PARENT_SHARDS))); assertThat(consumer.getCurrentState(), is(equalTo(KinesisConsumerStates.ShardConsumerState.WAITING_ON_PARENT_SHARDS)));
verify(parentLease, times(0)).getCheckpoint(); verify(parentLease, times(0)).getCheckpoint();
consumer.consumeShard(); // check on parent shards consumer.consumeShard(); // check on parent shards
Thread.sleep(parentShardPollIntervalMillis * 2); Thread.sleep(parentShardPollIntervalMillis * 2);
assertThat(consumer.getCurrentState(), is(equalTo(ConsumerStates.ShardConsumerState.WAITING_ON_PARENT_SHARDS))); assertThat(consumer.getCurrentState(), is(equalTo(KinesisConsumerStates.ShardConsumerState.WAITING_ON_PARENT_SHARDS)));
verify(parentLease, times(1)).getCheckpoint(); verify(parentLease, times(1)).getCheckpoint();
consumer.notifyShutdownRequested(shutdownNotification); consumer.notifyShutdownRequested(shutdownNotification);
verify(shutdownNotification, times(0)).shutdownComplete(); verify(shutdownNotification, times(0)).shutdownComplete();
assertThat(consumer.getShutdownReason(), equalTo(ShutdownReason.REQUESTED)); assertThat(consumer.getShutdownReason(), equalTo(ShutdownReason.REQUESTED));
assertThat(consumer.getCurrentState(), is(equalTo(ConsumerStates.ShardConsumerState.WAITING_ON_PARENT_SHARDS))); assertThat(consumer.getCurrentState(), is(equalTo(KinesisConsumerStates.ShardConsumerState.WAITING_ON_PARENT_SHARDS)));
consumer.consumeShard(); consumer.consumeShard();
assertThat(consumer.getCurrentState(), is(equalTo(ConsumerStates.ShardConsumerState.SHUTTING_DOWN))); assertThat(consumer.getCurrentState(), is(equalTo(KinesisConsumerStates.ShardConsumerState.SHUTTING_DOWN)));
Thread.sleep(50L); Thread.sleep(50L);
consumer.beginShutdown(); consumer.beginShutdown();
assertThat(consumer.getCurrentState(), is(equalTo(ConsumerStates.ShardConsumerState.SHUTDOWN_COMPLETE))); assertThat(consumer.getCurrentState(), is(equalTo(KinesisConsumerStates.ShardConsumerState.SHUTDOWN_COMPLETE)));
assertThat(consumer.isShutdown(), is(true)); assertThat(consumer.isShutdown(), is(true));
verify(shutdownNotification, times(1)).shutdownComplete(); verify(shutdownNotification, times(1)).shutdownComplete();
consumer.beginShutdown(); consumer.beginShutdown();
@ -583,7 +583,7 @@ public class ShardConsumerTest {
} }
/** /**
* Test method for {@link ShardConsumer#consumeShard()} that ensures a transient error thrown from the record * Test method for {@link KinesisShardConsumer#consumeShard()} that ensures a transient error thrown from the record
* processor's shutdown method with reason zombie will be retried. * processor's shutdown method with reason zombie will be retried.
*/ */
@Test @Test
@ -646,8 +646,8 @@ public class ShardConsumerTest {
metricsFactory metricsFactory
); );
ShardConsumer consumer = KinesisShardConsumer consumer =
new ShardConsumer(shardInfo, new KinesisShardConsumer(shardInfo,
streamConfig, streamConfig,
checkpoint, checkpoint,
processor, processor,
@ -667,11 +667,11 @@ public class ShardConsumerTest {
shardSyncStrategy); shardSyncStrategy);
when(leaseCoordinator.updateLease(any(KinesisClientLease.class), any(UUID.class))).thenReturn(true); when(leaseCoordinator.updateLease(any(KinesisClientLease.class), any(UUID.class))).thenReturn(true);
assertThat(consumer.getCurrentState(), is(equalTo(ConsumerStates.ShardConsumerState.WAITING_ON_PARENT_SHARDS))); assertThat(consumer.getCurrentState(), is(equalTo(KinesisConsumerStates.ShardConsumerState.WAITING_ON_PARENT_SHARDS)));
consumer.consumeShard(); // check on parent shards consumer.consumeShard(); // check on parent shards
Thread.sleep(50L); Thread.sleep(50L);
consumer.consumeShard(); // start initialization consumer.consumeShard(); // start initialization
assertThat(consumer.getCurrentState(), is(equalTo(ConsumerStates.ShardConsumerState.INITIALIZING))); assertThat(consumer.getCurrentState(), is(equalTo(KinesisConsumerStates.ShardConsumerState.INITIALIZING)));
consumer.consumeShard(); // initialize consumer.consumeShard(); // initialize
processor.getInitializeLatch().await(5, TimeUnit.SECONDS); processor.getInitializeLatch().await(5, TimeUnit.SECONDS);
verify(getRecordsCache).start(); verify(getRecordsCache).start();
@ -681,7 +681,7 @@ public class ShardConsumerTest {
boolean newTaskSubmitted = consumer.consumeShard(); boolean newTaskSubmitted = consumer.consumeShard();
if (newTaskSubmitted) { if (newTaskSubmitted) {
LOG.debug("New processing task was submitted, call # " + i); LOG.debug("New processing task was submitted, call # " + i);
assertThat(consumer.getCurrentState(), is(equalTo(ConsumerStates.ShardConsumerState.PROCESSING))); assertThat(consumer.getCurrentState(), is(equalTo(KinesisConsumerStates.ShardConsumerState.PROCESSING)));
// CHECKSTYLE:IGNORE ModifiedControlVariable FOR NEXT 1 LINES // CHECKSTYLE:IGNORE ModifiedControlVariable FOR NEXT 1 LINES
i += maxRecords; i += maxRecords;
} }
@ -709,12 +709,12 @@ public class ShardConsumerTest {
// Wait for shutdown complete now that terminate shutdown is successful // Wait for shutdown complete now that terminate shutdown is successful
for (int i = 0; i < 100; i++) { for (int i = 0; i < 100; i++) {
consumer.consumeShard(); consumer.consumeShard();
if (consumer.getCurrentState() == ConsumerStates.ShardConsumerState.SHUTDOWN_COMPLETE) { if (consumer.getCurrentState() == KinesisConsumerStates.ShardConsumerState.SHUTDOWN_COMPLETE) {
break; break;
} }
Thread.sleep(50L); Thread.sleep(50L);
} }
assertThat(consumer.getCurrentState(), equalTo(ConsumerStates.ShardConsumerState.SHUTDOWN_COMPLETE)); assertThat(consumer.getCurrentState(), equalTo(KinesisConsumerStates.ShardConsumerState.SHUTDOWN_COMPLETE));
assertThat(processor.getShutdownReason(), is(equalTo(ShutdownReason.TERMINATE))); assertThat(processor.getShutdownReason(), is(equalTo(ShutdownReason.TERMINATE)));
@ -732,7 +732,7 @@ public class ShardConsumerTest {
/** /**
* Test method for {@link ShardConsumer#consumeShard()} that ensures the shardConsumer gets shutdown with shutdown * Test method for {@link KinesisShardConsumer#consumeShard()} that ensures the shardConsumer gets shutdown with shutdown
* reason TERMINATE when the shard end is reached. * reason TERMINATE when the shard end is reached.
*/ */
@Test @Test
@ -795,8 +795,8 @@ public class ShardConsumerTest {
metricsFactory metricsFactory
); );
ShardConsumer consumer = KinesisShardConsumer consumer =
new ShardConsumer(shardInfo, new KinesisShardConsumer(shardInfo,
streamConfig, streamConfig,
checkpoint, checkpoint,
processor, processor,
@ -818,11 +818,11 @@ public class ShardConsumerTest {
when(leaseCoordinator.getCurrentlyHeldLease(shardInfo.getShardId())).thenReturn(currentLease); when(leaseCoordinator.getCurrentlyHeldLease(shardInfo.getShardId())).thenReturn(currentLease);
when(leaseCoordinator.updateLease(any(KinesisClientLease.class), any(UUID.class))).thenReturn(true); when(leaseCoordinator.updateLease(any(KinesisClientLease.class), any(UUID.class))).thenReturn(true);
assertThat(consumer.getCurrentState(), is(equalTo(ConsumerStates.ShardConsumerState.WAITING_ON_PARENT_SHARDS))); assertThat(consumer.getCurrentState(), is(equalTo(KinesisConsumerStates.ShardConsumerState.WAITING_ON_PARENT_SHARDS)));
consumer.consumeShard(); // check on parent shards consumer.consumeShard(); // check on parent shards
Thread.sleep(50L); Thread.sleep(50L);
consumer.consumeShard(); // start initialization consumer.consumeShard(); // start initialization
assertThat(consumer.getCurrentState(), is(equalTo(ConsumerStates.ShardConsumerState.INITIALIZING))); assertThat(consumer.getCurrentState(), is(equalTo(KinesisConsumerStates.ShardConsumerState.INITIALIZING)));
consumer.consumeShard(); // initialize consumer.consumeShard(); // initialize
processor.getInitializeLatch().await(5, TimeUnit.SECONDS); processor.getInitializeLatch().await(5, TimeUnit.SECONDS);
verify(getRecordsCache).start(); verify(getRecordsCache).start();
@ -832,7 +832,7 @@ public class ShardConsumerTest {
boolean newTaskSubmitted = consumer.consumeShard(); boolean newTaskSubmitted = consumer.consumeShard();
if (newTaskSubmitted) { if (newTaskSubmitted) {
LOG.debug("New processing task was submitted, call # " + i); LOG.debug("New processing task was submitted, call # " + i);
assertThat(consumer.getCurrentState(), is(equalTo(ConsumerStates.ShardConsumerState.PROCESSING))); assertThat(consumer.getCurrentState(), is(equalTo(KinesisConsumerStates.ShardConsumerState.PROCESSING)));
// CHECKSTYLE:IGNORE ModifiedControlVariable FOR NEXT 1 LINES // CHECKSTYLE:IGNORE ModifiedControlVariable FOR NEXT 1 LINES
i += maxRecords; i += maxRecords;
} }
@ -860,12 +860,12 @@ public class ShardConsumerTest {
// Wait for shutdown complete now that terminate shutdown is successful // Wait for shutdown complete now that terminate shutdown is successful
for (int i = 0; i < 100; i++) { for (int i = 0; i < 100; i++) {
consumer.consumeShard(); consumer.consumeShard();
if (consumer.getCurrentState() == ConsumerStates.ShardConsumerState.SHUTDOWN_COMPLETE) { if (consumer.getCurrentState() == KinesisConsumerStates.ShardConsumerState.SHUTDOWN_COMPLETE) {
break; break;
} }
Thread.sleep(50L); Thread.sleep(50L);
} }
assertThat(consumer.getCurrentState(), equalTo(ConsumerStates.ShardConsumerState.SHUTDOWN_COMPLETE)); assertThat(consumer.getCurrentState(), equalTo(KinesisConsumerStates.ShardConsumerState.SHUTDOWN_COMPLETE));
assertThat(processor.getShutdownReason(), is(equalTo(ShutdownReason.TERMINATE))); assertThat(processor.getShutdownReason(), is(equalTo(ShutdownReason.TERMINATE)));
@ -881,7 +881,7 @@ public class ShardConsumerTest {
} }
/** /**
* Test method for {@link ShardConsumer#consumeShard()} that starts from initial position of type AT_TIMESTAMP. * Test method for {@link KinesisShardConsumer#consumeShard()} that starts from initial position of type AT_TIMESTAMP.
*/ */
@Test @Test
public final void testConsumeShardWithInitialPositionAtTimestamp() throws Exception { public final void testConsumeShardWithInitialPositionAtTimestamp() throws Exception {
@ -938,8 +938,8 @@ public class ShardConsumerTest {
any(IMetricsFactory.class), anyInt())) any(IMetricsFactory.class), anyInt()))
.thenReturn(getRecordsCache); .thenReturn(getRecordsCache);
ShardConsumer consumer = KinesisShardConsumer consumer =
new ShardConsumer(shardInfo, new KinesisShardConsumer(shardInfo,
streamConfig, streamConfig,
checkpoint, checkpoint,
processor, processor,
@ -958,11 +958,11 @@ public class ShardConsumerTest {
shardSyncer, shardSyncer,
shardSyncStrategy); shardSyncStrategy);
assertThat(consumer.getCurrentState(), is(equalTo(ConsumerStates.ShardConsumerState.WAITING_ON_PARENT_SHARDS))); assertThat(consumer.getCurrentState(), is(equalTo(KinesisConsumerStates.ShardConsumerState.WAITING_ON_PARENT_SHARDS)));
consumer.consumeShard(); // check on parent shards consumer.consumeShard(); // check on parent shards
Thread.sleep(50L); Thread.sleep(50L);
consumer.consumeShard(); // start initialization consumer.consumeShard(); // start initialization
assertThat(consumer.getCurrentState(), is(equalTo(ConsumerStates.ShardConsumerState.INITIALIZING))); assertThat(consumer.getCurrentState(), is(equalTo(KinesisConsumerStates.ShardConsumerState.INITIALIZING)));
consumer.consumeShard(); // initialize consumer.consumeShard(); // initialize
Thread.sleep(50L); Thread.sleep(50L);
@ -973,7 +973,7 @@ public class ShardConsumerTest {
boolean newTaskSubmitted = consumer.consumeShard(); boolean newTaskSubmitted = consumer.consumeShard();
if (newTaskSubmitted) { if (newTaskSubmitted) {
LOG.debug("New processing task was submitted, call # " + i); LOG.debug("New processing task was submitted, call # " + i);
assertThat(consumer.getCurrentState(), is(equalTo(ConsumerStates.ShardConsumerState.PROCESSING))); assertThat(consumer.getCurrentState(), is(equalTo(KinesisConsumerStates.ShardConsumerState.PROCESSING)));
// CHECKSTYLE:IGNORE ModifiedControlVariable FOR NEXT 1 LINES // CHECKSTYLE:IGNORE ModifiedControlVariable FOR NEXT 1 LINES
i += maxRecords; i += maxRecords;
} }
@ -985,9 +985,9 @@ public class ShardConsumerTest {
assertThat(processor.getShutdownReason(), nullValue()); assertThat(processor.getShutdownReason(), nullValue());
consumer.beginShutdown(); consumer.beginShutdown();
Thread.sleep(50L); Thread.sleep(50L);
assertThat(consumer.getCurrentState(), is(equalTo(ConsumerStates.ShardConsumerState.SHUTTING_DOWN))); assertThat(consumer.getCurrentState(), is(equalTo(KinesisConsumerStates.ShardConsumerState.SHUTTING_DOWN)));
consumer.beginShutdown(); consumer.beginShutdown();
assertThat(consumer.getCurrentState(), is(equalTo(ConsumerStates.ShardConsumerState.SHUTDOWN_COMPLETE))); assertThat(consumer.getCurrentState(), is(equalTo(KinesisConsumerStates.ShardConsumerState.SHUTDOWN_COMPLETE)));
assertThat(processor.getShutdownReason(), is(equalTo(ShutdownReason.ZOMBIE))); assertThat(processor.getShutdownReason(), is(equalTo(ShutdownReason.ZOMBIE)));
executorService.shutdown(); executorService.shutdown();
@ -1014,8 +1014,8 @@ public class ShardConsumerTest {
callProcessRecordsForEmptyRecordList, callProcessRecordsForEmptyRecordList,
skipCheckpointValidationValue, INITIAL_POSITION_LATEST); skipCheckpointValidationValue, INITIAL_POSITION_LATEST);
ShardConsumer consumer = KinesisShardConsumer consumer =
new ShardConsumer(shardInfo, new KinesisShardConsumer(shardInfo,
streamConfig, streamConfig,
checkpoint, checkpoint,
processor, processor,
@ -1041,22 +1041,22 @@ public class ShardConsumerTest {
when(checkpoint.getCheckpointObject(anyString())).thenReturn( when(checkpoint.getCheckpointObject(anyString())).thenReturn(
new Checkpoint(checkpointSequenceNumber, pendingCheckpointSequenceNumber)); new Checkpoint(checkpointSequenceNumber, pendingCheckpointSequenceNumber));
assertThat(consumer.getCurrentState(), is(equalTo(ConsumerStates.ShardConsumerState.WAITING_ON_PARENT_SHARDS))); assertThat(consumer.getCurrentState(), is(equalTo(KinesisConsumerStates.ShardConsumerState.WAITING_ON_PARENT_SHARDS)));
consumer.consumeShard(); // submit BlockOnParentShardTask consumer.consumeShard(); // submit BlockOnParentShardTask
Thread.sleep(50L); Thread.sleep(50L);
assertThat(consumer.getCurrentState(), is(equalTo(ConsumerStates.ShardConsumerState.WAITING_ON_PARENT_SHARDS))); assertThat(consumer.getCurrentState(), is(equalTo(KinesisConsumerStates.ShardConsumerState.WAITING_ON_PARENT_SHARDS)));
verify(processor, times(0)).initialize(any(InitializationInput.class)); verify(processor, times(0)).initialize(any(InitializationInput.class));
consumer.consumeShard(); // submit InitializeTask consumer.consumeShard(); // submit InitializeTask
Thread.sleep(50L); Thread.sleep(50L);
assertThat(consumer.getCurrentState(), is(equalTo(ConsumerStates.ShardConsumerState.INITIALIZING))); assertThat(consumer.getCurrentState(), is(equalTo(KinesisConsumerStates.ShardConsumerState.INITIALIZING)));
verify(processor, times(1)).initialize(argThat( verify(processor, times(1)).initialize(argThat(
initializationInputMatcher(checkpointSequenceNumber, pendingCheckpointSequenceNumber))); initializationInputMatcher(checkpointSequenceNumber, pendingCheckpointSequenceNumber)));
verify(processor, times(1)).initialize(any(InitializationInput.class)); // no other calls with different args verify(processor, times(1)).initialize(any(InitializationInput.class)); // no other calls with different args
consumer.consumeShard(); consumer.consumeShard();
Thread.sleep(50L); Thread.sleep(50L);
assertThat(consumer.getCurrentState(), is(equalTo(ConsumerStates.ShardConsumerState.PROCESSING))); assertThat(consumer.getCurrentState(), is(equalTo(KinesisConsumerStates.ShardConsumerState.PROCESSING)));
} }
@Test @Test
@ -1069,8 +1069,8 @@ public class ShardConsumerTest {
callProcessRecordsForEmptyRecordList, callProcessRecordsForEmptyRecordList,
skipCheckpointValidationValue, INITIAL_POSITION_LATEST); skipCheckpointValidationValue, INITIAL_POSITION_LATEST);
ShardConsumer shardConsumer = KinesisShardConsumer shardConsumer =
new ShardConsumer(shardInfo, new KinesisShardConsumer(shardInfo,
streamConfig, streamConfig,
checkpoint, checkpoint,
processor, processor,
@ -1101,8 +1101,8 @@ public class ShardConsumerTest {
callProcessRecordsForEmptyRecordList, callProcessRecordsForEmptyRecordList,
skipCheckpointValidationValue, INITIAL_POSITION_LATEST); skipCheckpointValidationValue, INITIAL_POSITION_LATEST);
ShardConsumer shardConsumer = KinesisShardConsumer shardConsumer =
new ShardConsumer(shardInfo, new KinesisShardConsumer(shardInfo,
streamConfig, streamConfig,
checkpoint, checkpoint,
processor, processor,
@ -1144,7 +1144,7 @@ public class ShardConsumerTest {
skipCheckpointValidationValue, skipCheckpointValidationValue,
INITIAL_POSITION_LATEST); INITIAL_POSITION_LATEST);
ShardConsumer shardConsumer = new ShardConsumer( KinesisShardConsumer shardConsumer = new KinesisShardConsumer(
shardInfo, shardInfo,
streamConfig, streamConfig,
checkpoint, checkpoint,

28
src/test/java/com/amazonaws/services/kinesis/clientlibrary/lib/worker/ShutdownTaskTest.java
View file

@ -66,7 +66,7 @@ import com.amazonaws.services.kinesis.leases.interfaces.ILeaseManager;
import org.junit.runner.RunWith; import org.junit.runner.RunWith;
import org.mockito.Mock; import org.mockito.Mock;
import org.mockito.runners.MockitoJUnitRunner; import org.mockito.runners.MockitoJUnitRunner;
import static com.amazonaws.services.kinesis.clientlibrary.lib.worker.ShutdownTask.RETRY_RANDOM_MAX_RANGE; import static com.amazonaws.services.kinesis.clientlibrary.lib.worker.KinesisShutdownTask.RETRY_RANDOM_MAX_RANGE;
/** /**
* *
@ -139,7 +139,7 @@ public class ShutdownTaskTest {
} }
/** /**
* Test method for {@link ShutdownTask#call()}. * Test method for {@link KinesisShutdownTask#call()}.
*/ */
@Test @Test
public final void testCallWhenApplicationDoesNotCheckpoint() { public final void testCallWhenApplicationDoesNotCheckpoint() {
@ -148,7 +148,7 @@ public class ShutdownTaskTest {
when(leaseCoordinator.getLeaseManager()).thenReturn(leaseManager); when(leaseCoordinator.getLeaseManager()).thenReturn(leaseManager);
boolean cleanupLeasesOfCompletedShards = false; boolean cleanupLeasesOfCompletedShards = false;
boolean ignoreUnexpectedChildShards = false; boolean ignoreUnexpectedChildShards = false;
ShutdownTask task = new ShutdownTask(defaultShardInfo, KinesisShutdownTask task = new KinesisShutdownTask(defaultShardInfo,
defaultRecordProcessor, defaultRecordProcessor,
checkpointer, checkpointer,
ShutdownReason.TERMINATE, ShutdownReason.TERMINATE,
@ -171,7 +171,7 @@ public class ShutdownTaskTest {
} }
/** /**
* Test method for {@link ShutdownTask#call()}. * Test method for {@link KinesisShutdownTask#call()}.
*/ */
@Test @Test
public final void testCallWhenCreatingLeaseThrows() throws Exception { public final void testCallWhenCreatingLeaseThrows() throws Exception {
@ -183,7 +183,7 @@ public class ShutdownTaskTest {
final String exceptionMessage = "InvalidStateException is thrown."; final String exceptionMessage = "InvalidStateException is thrown.";
when(leaseManager.createLeaseIfNotExists(any(KinesisClientLease.class))).thenThrow(new InvalidStateException(exceptionMessage)); when(leaseManager.createLeaseIfNotExists(any(KinesisClientLease.class))).thenThrow(new InvalidStateException(exceptionMessage));
ShutdownTask task = new ShutdownTask(defaultShardInfo, KinesisShutdownTask task = new KinesisShutdownTask(defaultShardInfo,
defaultRecordProcessor, defaultRecordProcessor,
checkpointer, checkpointer,
ShutdownReason.TERMINATE, ShutdownReason.TERMINATE,
@ -226,7 +226,7 @@ public class ShutdownTaskTest {
// Make first 5 attempts with partial parent info in lease table // Make first 5 attempts with partial parent info in lease table
for (int i = 0; i < 5; i++) { for (int i = 0; i < 5; i++) {
ShutdownTask task = spy(new ShutdownTask(defaultShardInfo, KinesisShutdownTask task = spy(new KinesisShutdownTask(defaultShardInfo,
defaultRecordProcessor, defaultRecordProcessor,
checkpointer, checkpointer,
ShutdownReason.TERMINATE, ShutdownReason.TERMINATE,
@ -252,7 +252,7 @@ public class ShutdownTaskTest {
} }
// Make next attempt with complete parent info in lease table // Make next attempt with complete parent info in lease table
ShutdownTask task = spy(new ShutdownTask(defaultShardInfo, KinesisShutdownTask task = spy(new KinesisShutdownTask(defaultShardInfo,
defaultRecordProcessor, defaultRecordProcessor,
checkpointer, checkpointer,
ShutdownReason.TERMINATE, ShutdownReason.TERMINATE,
@ -290,7 +290,7 @@ public class ShutdownTaskTest {
when(leaseManager.getLease("ShardId-1")).thenReturn(null, null, null, null, null, null, null, null, null, null, null); when(leaseManager.getLease("ShardId-1")).thenReturn(null, null, null, null, null, null, null, null, null, null, null);
for (int i = 0; i < 10; i++) { for (int i = 0; i < 10; i++) {
ShutdownTask task = spy(new ShutdownTask(defaultShardInfo, KinesisShutdownTask task = spy(new KinesisShutdownTask(defaultShardInfo,
defaultRecordProcessor, defaultRecordProcessor,
checkpointer, checkpointer,
ShutdownReason.TERMINATE, ShutdownReason.TERMINATE,
@ -315,7 +315,7 @@ public class ShutdownTaskTest {
verify(defaultRecordProcessor, never()).shutdown(any(ShutdownInput.class)); verify(defaultRecordProcessor, never()).shutdown(any(ShutdownInput.class));
} }
ShutdownTask task = spy(new ShutdownTask(defaultShardInfo, KinesisShutdownTask task = spy(new KinesisShutdownTask(defaultShardInfo,
defaultRecordProcessor, defaultRecordProcessor,
checkpointer, checkpointer,
ShutdownReason.TERMINATE, ShutdownReason.TERMINATE,
@ -351,7 +351,7 @@ public class ShutdownTaskTest {
boolean cleanupLeasesOfCompletedShards = false; boolean cleanupLeasesOfCompletedShards = false;
boolean ignoreUnexpectedChildShards = false; boolean ignoreUnexpectedChildShards = false;
ShutdownTask task = new ShutdownTask(defaultShardInfo, KinesisShutdownTask task = new KinesisShutdownTask(defaultShardInfo,
defaultRecordProcessor, defaultRecordProcessor,
checkpointer, checkpointer,
ShutdownReason.TERMINATE, ShutdownReason.TERMINATE,
@ -385,7 +385,7 @@ public class ShutdownTaskTest {
boolean cleanupLeasesOfCompletedShards = false; boolean cleanupLeasesOfCompletedShards = false;
boolean ignoreUnexpectedChildShards = false; boolean ignoreUnexpectedChildShards = false;
ShutdownTask task = new ShutdownTask(shardInfo, KinesisShutdownTask task = new KinesisShutdownTask(shardInfo,
defaultRecordProcessor, defaultRecordProcessor,
checkpointer, checkpointer,
ShutdownReason.TERMINATE, ShutdownReason.TERMINATE,
@ -415,7 +415,7 @@ public class ShutdownTaskTest {
boolean cleanupLeasesOfCompletedShards = false; boolean cleanupLeasesOfCompletedShards = false;
boolean ignoreUnexpectedChildShards = false; boolean ignoreUnexpectedChildShards = false;
ShutdownTask task = new ShutdownTask(defaultShardInfo, KinesisShutdownTask task = new KinesisShutdownTask(defaultShardInfo,
defaultRecordProcessor, defaultRecordProcessor,
checkpointer, checkpointer,
ShutdownReason.ZOMBIE, ShutdownReason.ZOMBIE,
@ -438,12 +438,12 @@ public class ShutdownTaskTest {
} }
/** /**
* Test method for {@link ShutdownTask#getTaskType()}. * Test method for {@link KinesisShutdownTask#getTaskType()}.
*/ */
@Test @Test
public final void testGetTaskType() { public final void testGetTaskType() {
KinesisClientLibLeaseCoordinator leaseCoordinator = mock(KinesisClientLibLeaseCoordinator.class); KinesisClientLibLeaseCoordinator leaseCoordinator = mock(KinesisClientLibLeaseCoordinator.class);
ShutdownTask task = new ShutdownTask(null, null, null, null, KinesisShutdownTask task = new KinesisShutdownTask(null, null, null, null,
null, null, false, null, null, false,
false, leaseCoordinator, 0, false, leaseCoordinator, 0,
getRecordsCache, shardSyncer, shardSyncStrategy, Collections.emptyList(), leaseCleanupManager); getRecordsCache, shardSyncer, shardSyncStrategy, Collections.emptyList(), leaseCleanupManager);

40
src/test/java/com/amazonaws/services/kinesis/clientlibrary/lib/worker/WorkerTest.java
View file

@ -186,7 +186,7 @@ public class WorkerTest {
@Mock @Mock
private IRecordProcessor v2RecordProcessor; private IRecordProcessor v2RecordProcessor;
@Mock @Mock
private ShardConsumer shardConsumer; private IShardConsumer shardConsumer;
@Mock @Mock
private Future<TaskResult> taskFuture; private Future<TaskResult> taskFuture;
@Mock @Mock
@ -297,13 +297,13 @@ public class WorkerTest {
KinesisClientLibConfiguration.DEFAULT_SKIP_SHARD_SYNC_AT_STARTUP_IF_LEASES_EXIST, KinesisClientLibConfiguration.DEFAULT_SKIP_SHARD_SYNC_AT_STARTUP_IF_LEASES_EXIST,
shardPrioritization); shardPrioritization);
ShardInfo shardInfo = new ShardInfo(dummyKinesisShardId, testConcurrencyToken, null, ExtendedSequenceNumber.TRIM_HORIZON); ShardInfo shardInfo = new ShardInfo(dummyKinesisShardId, testConcurrencyToken, null, ExtendedSequenceNumber.TRIM_HORIZON);
ShardConsumer consumer = worker.createOrGetShardConsumer(shardInfo, streamletFactory); IShardConsumer consumer = worker.createOrGetShardConsumer(shardInfo, streamletFactory);
Assert.assertNotNull(consumer); Assert.assertNotNull(consumer);
ShardConsumer consumer2 = worker.createOrGetShardConsumer(shardInfo, streamletFactory); IShardConsumer consumer2 = worker.createOrGetShardConsumer(shardInfo, streamletFactory);
Assert.assertSame(consumer, consumer2); Assert.assertSame(consumer, consumer2);
ShardInfo shardInfoWithSameShardIdButDifferentConcurrencyToken = ShardInfo shardInfoWithSameShardIdButDifferentConcurrencyToken =
new ShardInfo(dummyKinesisShardId, anotherConcurrencyToken, null, ExtendedSequenceNumber.TRIM_HORIZON); new ShardInfo(dummyKinesisShardId, anotherConcurrencyToken, null, ExtendedSequenceNumber.TRIM_HORIZON);
ShardConsumer consumer3 = IShardConsumer consumer3 =
worker.createOrGetShardConsumer(shardInfoWithSameShardIdButDifferentConcurrencyToken, streamletFactory); worker.createOrGetShardConsumer(shardInfoWithSameShardIdButDifferentConcurrencyToken, streamletFactory);
Assert.assertNotNull(consumer3); Assert.assertNotNull(consumer3);
Assert.assertNotSame(consumer3, consumer); Assert.assertNotSame(consumer3, consumer);
@ -419,10 +419,10 @@ public class WorkerTest {
new ShardInfo(dummyKinesisShardId, anotherConcurrencyToken, null, ExtendedSequenceNumber.TRIM_HORIZON); new ShardInfo(dummyKinesisShardId, anotherConcurrencyToken, null, ExtendedSequenceNumber.TRIM_HORIZON);
ShardInfo shardInfo2 = new ShardInfo(anotherDummyKinesisShardId, concurrencyToken, null, ExtendedSequenceNumber.TRIM_HORIZON); ShardInfo shardInfo2 = new ShardInfo(anotherDummyKinesisShardId, concurrencyToken, null, ExtendedSequenceNumber.TRIM_HORIZON);
ShardConsumer consumerOfShardInfo1 = worker.createOrGetShardConsumer(shardInfo1, streamletFactory); IShardConsumer consumerOfShardInfo1 = worker.createOrGetShardConsumer(shardInfo1, streamletFactory);
ShardConsumer consumerOfDuplicateOfShardInfo1ButWithAnotherConcurrencyToken = IShardConsumer consumerOfDuplicateOfShardInfo1ButWithAnotherConcurrencyToken =
worker.createOrGetShardConsumer(duplicateOfShardInfo1ButWithAnotherConcurrencyToken, streamletFactory); worker.createOrGetShardConsumer(duplicateOfShardInfo1ButWithAnotherConcurrencyToken, streamletFactory);
ShardConsumer consumerOfShardInfo2 = worker.createOrGetShardConsumer(shardInfo2, streamletFactory); IShardConsumer consumerOfShardInfo2 = worker.createOrGetShardConsumer(shardInfo2, streamletFactory);
Set<ShardInfo> assignedShards = new HashSet<ShardInfo>(); Set<ShardInfo> assignedShards = new HashSet<ShardInfo>();
assignedShards.add(shardInfo1); assignedShards.add(shardInfo1);
@ -1219,11 +1219,11 @@ public class WorkerTest {
false, false,
shardPrioritization); shardPrioritization);
final Map<ShardInfo, ShardConsumer> shardInfoShardConsumerMap = worker.getShardInfoShardConsumerMap(); final Map<ShardInfo, IShardConsumer> shardInfoShardConsumerMap = worker.getShardInfoShardConsumerMap();
final ShardInfo completedShardInfo = KinesisClientLibLeaseCoordinator.convertLeaseToAssignment(completedLease); final ShardInfo completedShardInfo = KinesisClientLibLeaseCoordinator.convertLeaseToAssignment(completedLease);
final ShardConsumer completedShardConsumer = mock(ShardConsumer.class); final KinesisShardConsumer completedShardConsumer = mock(KinesisShardConsumer.class);
shardInfoShardConsumerMap.put(completedShardInfo, completedShardConsumer); shardInfoShardConsumerMap.put(completedShardInfo, completedShardConsumer);
when(completedShardConsumer.getCurrentState()).thenReturn(ConsumerStates.ShardConsumerState.SHUTDOWN_COMPLETE); when(completedShardConsumer.getCurrentState()).thenReturn(KinesisConsumerStates.ShardConsumerState.SHUTDOWN_COMPLETE);
Callable<GracefulShutdownContext> callable = worker.createWorkerShutdownCallable(); Callable<GracefulShutdownContext> callable = worker.createWorkerShutdownCallable();
assertThat(worker.hasGracefulShutdownStarted(), equalTo(false)); assertThat(worker.hasGracefulShutdownStarted(), equalTo(false));
@ -1338,11 +1338,11 @@ public class WorkerTest {
verify(executorService).submit(argThat(both(isA(MetricsCollectingTaskDecorator.class)) verify(executorService).submit(argThat(both(isA(MetricsCollectingTaskDecorator.class))
.and(TaskTypeMatcher.isOfType(TaskType.SHUTDOWN)).and(ReflectionFieldMatcher .and(TaskTypeMatcher.isOfType(TaskType.SHUTDOWN)).and(ReflectionFieldMatcher
.withField(ShutdownTask.class, "shardInfo", equalTo(shardInfo1))))); .withField(KinesisShutdownTask.class, "shardInfo", equalTo(shardInfo1)))));
verify(executorService, never()).submit(argThat(both(isA(MetricsCollectingTaskDecorator.class)) verify(executorService, never()).submit(argThat(both(isA(MetricsCollectingTaskDecorator.class))
.and(TaskTypeMatcher.isOfType(TaskType.SHUTDOWN)).and(ReflectionFieldMatcher .and(TaskTypeMatcher.isOfType(TaskType.SHUTDOWN)).and(ReflectionFieldMatcher
.withField(ShutdownTask.class, "shardInfo", equalTo(shardInfo2))))); .withField(KinesisShutdownTask.class, "shardInfo", equalTo(shardInfo2)))));
} }
@ -1451,11 +1451,11 @@ public class WorkerTest {
verify(executorService, never()).submit(argThat(both(isA(MetricsCollectingTaskDecorator.class)) verify(executorService, never()).submit(argThat(both(isA(MetricsCollectingTaskDecorator.class))
.and(TaskTypeMatcher.isOfType(TaskType.SHUTDOWN)).and(ReflectionFieldMatcher .and(TaskTypeMatcher.isOfType(TaskType.SHUTDOWN)).and(ReflectionFieldMatcher
.withField(ShutdownTask.class, "shardInfo", equalTo(shardInfo1))))); .withField(KinesisShutdownTask.class, "shardInfo", equalTo(shardInfo1)))));
verify(executorService, never()).submit(argThat(both(isA(MetricsCollectingTaskDecorator.class)) verify(executorService, never()).submit(argThat(both(isA(MetricsCollectingTaskDecorator.class))
.and(TaskTypeMatcher.isOfType(TaskType.SHUTDOWN)).and(ReflectionFieldMatcher .and(TaskTypeMatcher.isOfType(TaskType.SHUTDOWN)).and(ReflectionFieldMatcher
.withField(ShutdownTask.class, "shardInfo", equalTo(shardInfo2))))); .withField(KinesisShutdownTask.class, "shardInfo", equalTo(shardInfo2)))));
@ -2013,19 +2013,19 @@ public class WorkerTest {
@Override @Override
protected boolean matchesSafely(MetricsCollectingTaskDecorator item, Description mismatchDescription) { protected boolean matchesSafely(MetricsCollectingTaskDecorator item, Description mismatchDescription) {
return Condition.matched(item, mismatchDescription) return Condition.matched(item, mismatchDescription)
.and(new Condition.Step<MetricsCollectingTaskDecorator, ShutdownTask>() { .and(new Condition.Step<MetricsCollectingTaskDecorator, KinesisShutdownTask>() {
@Override @Override
public Condition<ShutdownTask> apply(MetricsCollectingTaskDecorator value, public Condition<KinesisShutdownTask> apply(MetricsCollectingTaskDecorator value,
Description mismatch) { Description mismatch) {
if (!(value.getOther() instanceof ShutdownTask)) { if (!(value.getOther() instanceof KinesisShutdownTask)) {
mismatch.appendText("Wrapped task isn't a shutdown task"); mismatch.appendText("Wrapped task isn't a shutdown task");
return Condition.notMatched(); return Condition.notMatched();
} }
return Condition.matched((ShutdownTask) value.getOther(), mismatch); return Condition.matched((KinesisShutdownTask) value.getOther(), mismatch);
} }
}).and(new Condition.Step<ShutdownTask, ShutdownReason>() { }).and(new Condition.Step<KinesisShutdownTask, ShutdownReason>() {
@Override @Override
public Condition<ShutdownReason> apply(ShutdownTask value, Description mismatch) { public Condition<ShutdownReason> apply(KinesisShutdownTask value, Description mismatch) {
return Condition.matched(value.getReason(), mismatch); return Condition.matched(value.getReason(), mismatch);
} }
}).matching(matcher); }).matching(matcher);