Addressed comments

src/main/java/com/amazonaws/services/kinesis/clientlibrary/lib/worker/RecordsFetcherFactory.java

@@ -28,7 +28,7 @@ public interface RecordsFetcherFactory {
      *
      * @return Returns a record fetcher object
      */
-    GetRecordsCache createRecordsFetcher(GetRecordsRetrievalStrategy getRecordsRetrievalStrategy);
+    GetRecordsCache createRecordsFetcher(GetRecordsRetrievalStrategy getRecordsRetrievalStrategy, IMetricsFactory metricsFactory);
 
     void setMaxSize(int maxSize);
 
@@ -40,6 +40,4 @@ public interface RecordsFetcherFactory {
     
     void setIdleMillisBetweenCalls(long idleMillisBetweenCalls);
 
-    void setMetricsFactory(IMetricsFactory metricsFactory);
-
 }

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

@@ -234,7 +234,7 @@ class ShardConsumer {
         this.config = config;
         this.dataFetcher = kinesisDataFetcher;
         this.getRecordsCache = config.getRecordsFetcherFactory().createRecordsFetcher(
-                makeStrategy(this.dataFetcher, retryGetRecordsInSeconds, maxGetRecordsThreadPool, this.shardInfo));
+                makeStrategy(this.dataFetcher, retryGetRecordsInSeconds, maxGetRecordsThreadPool, this.shardInfo), metricsFactory);
     }
 
     /**

src/main/java/com/amazonaws/services/kinesis/clientlibrary/lib/worker/SimpleRecordsFetcherFactory.java

@@ -34,7 +34,7 @@ public class SimpleRecordsFetcherFactory implements RecordsFetcherFactory {
     }
 
     @Override
-    public GetRecordsCache createRecordsFetcher(GetRecordsRetrievalStrategy getRecordsRetrievalStrategy) {
+    public GetRecordsCache createRecordsFetcher(GetRecordsRetrievalStrategy getRecordsRetrievalStrategy, IMetricsFactory metricsFactory) {
         if(dataFetchingStrategy.equals(DataFetchingStrategy.DEFAULT)) {
             return new BlockingGetRecordsCache(maxRecords, getRecordsRetrievalStrategy, idleMillisBetweenCalls);
         } else {
@@ -63,10 +63,6 @@ public class SimpleRecordsFetcherFactory implements RecordsFetcherFactory {
         this.dataFetchingStrategy = dataFetchingStrategy;
     }
 
-    public void setMetricsFactory(IMetricsFactory metricsFactory) {
-        this.metricsFactory = metricsFactory;
-    }
-
     public void setIdleMillisBetweenCalls(final long idleMillisBetweenCalls) {
         this.idleMillisBetweenCalls = idleMillisBetweenCalls;
     }

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

@@ -415,7 +415,6 @@ public class Worker implements Runnable {
         this.shardPrioritization = shardPrioritization;
         this.retryGetRecordsInSeconds = retryGetRecordsInSeconds;
         this.maxGetRecordsThreadPool = maxGetRecordsThreadPool;
-        this.config.getRecordsFetcherFactory().setMetricsFactory(metricsFactory);
     }
 
     /**

src/test/java/com/amazonaws/services/kinesis/clientlibrary/lib/worker/PrefetchGetRecordsCacheIntegrationTest.java

@@ -31,12 +31,10 @@ import java.util.List;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 
-<<<<<<< HEAD
 import com.amazonaws.services.kinesis.clientlibrary.types.ProcessRecordsInput;
 import com.amazonaws.services.kinesis.metrics.impl.NullMetricsFactory;
 import com.amazonaws.services.kinesis.model.Record;
-=======
+
->>>>>>> upstream/prefetch
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
@@ -88,11 +86,8 @@ public class PrefetchGetRecordsCacheIntegrationTest {
                 MAX_RECORDS_PER_CALL,
                 getRecordsRetrievalStrategy,
                 executorService,
-<<<<<<< HEAD
+                new NullMetricsFactory(),
-                new NullMetricsFactory());
-=======
                 IDLE_MILLIS_BETWEEN_CALLS);
->>>>>>> upstream/prefetch
     }
     
     @Test
@@ -136,12 +131,8 @@ public class PrefetchGetRecordsCacheIntegrationTest {
                 MAX_RECORDS_PER_CALL,
                 getRecordsRetrievalStrategy2,
                 executorService2,
-<<<<<<< HEAD
+                new NullMetricsFactory(),
-                new NullMetricsFactory()
-        );
-=======
                 IDLE_MILLIS_BETWEEN_CALLS);
->>>>>>> upstream/prefetch
         
         getRecordsCache.start();
         sleep(IDLE_MILLIS_BETWEEN_CALLS);

src/test/java/com/amazonaws/services/kinesis/clientlibrary/lib/worker/PrefetchGetRecordsCacheTest.java

@@ -82,11 +82,8 @@ public class PrefetchGetRecordsCacheTest {
                 MAX_RECORDS_PER_CALL,
                 getRecordsRetrievalStrategy,
                 executorService,
-<<<<<<< HEAD
+                new NullMetricsFactory(),
-                new NullMetricsFactory());
-=======
                 IDLE_MILLIS_BETWEEN_CALLS);
->>>>>>> upstream/prefetch
         spyQueue = spy(getRecordsCache.getRecordsResultQueue);
         records = spy(new ArrayList<>());
 

src/test/java/com/amazonaws/services/kinesis/clientlibrary/lib/worker/RecordsFetcherFactoryTest.java

@@ -1,6 +1,7 @@
 package com.amazonaws.services.kinesis.clientlibrary.lib.worker;
 
 import com.amazonaws.services.kinesis.metrics.impl.NullMetricsFactory;
+import com.amazonaws.services.kinesis.metrics.interfaces.IMetricsFactory;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.BeforeClass;
@@ -20,23 +21,25 @@ public class RecordsFetcherFactoryTest {
     @Mock
     private GetRecordsRetrievalStrategy getRecordsRetrievalStrategy;
 
+    @Mock
+    private IMetricsFactory metricsFactory;
+
     @Before
     public void setUp() {
         MockitoAnnotations.initMocks(this);
         recordsFetcherFactory = new SimpleRecordsFetcherFactory(1);
-        recordsFetcherFactory.setMetricsFactory(new NullMetricsFactory());
     }
 
     @Test
     public void createDefaultRecordsFetcherTest() {
-        GetRecordsCache recordsCache = recordsFetcherFactory.createRecordsFetcher(getRecordsRetrievalStrategy);
+        GetRecordsCache recordsCache = recordsFetcherFactory.createRecordsFetcher(getRecordsRetrievalStrategy, metricsFactory);
         assertThat(recordsCache, instanceOf(BlockingGetRecordsCache.class));
     }
 
     @Test
     public void createPrefetchRecordsFetcherTest() {
         recordsFetcherFactory.setDataFetchingStrategy(DataFetchingStrategy.PREFETCH_CACHED);
-        GetRecordsCache recordsCache = recordsFetcherFactory.createRecordsFetcher(getRecordsRetrievalStrategy);
+        GetRecordsCache recordsCache = recordsFetcherFactory.createRecordsFetcher(getRecordsRetrievalStrategy, metricsFactory);
         assertThat(recordsCache, instanceOf(PrefetchGetRecordsCache.class));
     }
 

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

@@ -341,7 +341,7 @@ public class ShardConsumerTest {
         getRecordsCache = spy(new BlockingGetRecordsCache(maxRecords,
                 new SynchronousGetRecordsRetrievalStrategy(dataFetcher),
                 0L));
-        when(recordsFetcherFactory.createRecordsFetcher(any())).thenReturn(getRecordsCache);
+        when(recordsFetcherFactory.createRecordsFetcher(any(), any())).thenReturn(getRecordsCache);
         
         ShardConsumer consumer =
                 new ShardConsumer(shardInfo,
@@ -471,7 +471,7 @@ public class ShardConsumerTest {
         getRecordsCache = spy(new BlockingGetRecordsCache(maxRecords,
                 new SynchronousGetRecordsRetrievalStrategy(dataFetcher),
                 0L));
-        when(recordsFetcherFactory.createRecordsFetcher(any())).thenReturn(getRecordsCache);
+        when(recordsFetcherFactory.createRecordsFetcher(any(), any())).thenReturn(getRecordsCache);
 
         ShardConsumer consumer =
                 new ShardConsumer(shardInfo,

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

@@ -620,7 +620,7 @@ public class WorkerTest {
         RecordsFetcherFactory recordsFetcherFactory = mock(RecordsFetcherFactory.class);
         GetRecordsCache getRecordsCache = mock(GetRecordsCache.class);
         when(config.getRecordsFetcherFactory()).thenReturn(recordsFetcherFactory);
-        when(recordsFetcherFactory.createRecordsFetcher(any())).thenReturn(getRecordsCache);
+        when(recordsFetcherFactory.createRecordsFetcher(any(), any())).thenReturn(getRecordsCache);
         when(getRecordsCache.getNextResult()).thenReturn(new ProcessRecordsInput().withRecords(Collections.emptyList()).withMillisBehindLatest(0L));
 
         WorkerThread workerThread = runWorker(shardList,