Fix reflection warnings.

src/clojure/monger/collection.clj

@@ -61,7 +61,8 @@
   (:require [monger.core :as mc]
             [monger.result :as mres]
             [monger.conversion :refer :all]
-            [monger.constraints :refer :all]))
+            [monger.constraints :refer :all]
+            [monger.util :refer [into-array-list]]))
 
 
 ;;
@@ -450,9 +451,9 @@
 (defn drop-index
   "Drops an index from this collection."
   [^DB db ^String coll idx]
-  (.dropIndex (.getCollection db (name coll)) (if (string? idx)
-                                                idx
-                                                (to-db-object idx))))
+  (if (string? idx)
+    (.dropIndex (.getCollection db (name coll)) ^String idx)
+    (.dropIndex (.getCollection db (name coll)) (to-db-object idx))))
 
 (defn drop-indexes
   "Drops all indixes from this collection."
@@ -524,6 +525,7 @@
 ;;
 
 (defn- build-aggregation-options
+  ^AggregationOptions
   [{:keys [^Boolean allow-disk-use cursor ^Long max-time]}]
   (cond-> (AggregationOptions/builder)
      allow-disk-use       (.allowDiskUse allow-disk-use)
@@ -543,7 +545,7 @@
   [^DB db ^String coll stages & opts]
   (let [coll (.getCollection db coll)
         agg-opts (build-aggregation-options opts)
-        pipe (java.util.ArrayList. (to-db-object stages))
+        pipe (into-array-list (to-db-object stages))
         res (.aggregate coll pipe agg-opts)]
     (map #(from-db-object % true) (iterator-seq res))))
 
@@ -554,7 +556,7 @@
   [^DB db ^String coll stages & opts]
   (let [coll (.getCollection db coll)
         agg-opts (build-aggregation-options opts)
-        pipe (java.util.ArrayList. (to-db-object stages))
+        pipe (into-array-list (to-db-object stages))
         res (.explainAggregate coll pipe agg-opts)]
     (from-db-object res true)))
 ;;

src/clojure/monger/core.clj

@@ -42,11 +42,12 @@
    * http://clojuremongodb.info/articles/commands.html
    * http://clojuremongodb.info/articles/gridfs.html"
   (:refer-clojure :exclude [count])
-  (:require [monger.conversion :refer :all])
+  (:require [monger.conversion :refer :all]
+            [monger.util :refer [into-array-list]])
   (:import [com.mongodb MongoClient MongoClientURI MongoCredential DB WriteConcern DBObject DBCursor Bytes
             MongoClientOptions MongoClientOptions$Builder ServerAddress MapReduceOutput MongoException]
            [com.mongodb.gridfs GridFS]
-           [java.util Map ArrayList]))
+           [java.util Map]))
 
 ;;
 ;; Defaults
@@ -77,18 +78,18 @@
   ([server-address ^MongoClientOptions options]
      (if (coll? server-address)
        ;; connect to a replica set
-       (let [server-list ^ArrayList (ArrayList. ^java.util.Collection server-address)]
+       (let [server-list (into-array-list server-address)]
          (MongoClient. server-list options))
        ;; connect to a single instance
        (MongoClient. ^ServerAddress server-address options)))
   ([server-address ^MongoClientOptions options credentials]
-     (let [creds (if (coll? credentials)
-                   credentials
-                   [credentials])]
+   (let [creds (into-array-list (if (coll? credentials)
+                                  credentials
+                                  [credentials]))]
        (if (coll? server-address)
-         (let [server-list ^ArrayList (ArrayList. ^java.util.Collection server-address)]
-           (MongoClient. server-list creds options))
-         (MongoClient. ^ServerAddress server-address creds options))))
+         (let [server-list (into-array-list server-address)]
+           (MongoClient. server-list ^java.util.List creds options))
+         (MongoClient. ^ServerAddress server-address ^java.util.List creds options))))
   ([{ :keys [host port uri] :or { host *mongodb-host* port *mongodb-port* }}]
     (if uri
        (MongoClient. (MongoClientURI. uri))
@@ -100,11 +101,11 @@
      (connect-with-credentials *mongodb-host* *mongodb-port* credentials))
   ([^String hostname credentials]
      (connect-with-credentials hostname *mongodb-port* credentials))
-  ([^String hostname port credentials]
-     (MongoClient. [(ServerAddress. hostname port)]
-                   (if (coll? credentials)
-                     credentials
-                     [credentials]))))
+  ([^String hostname ^long port credentials]
+     (MongoClient. (into-array-list [(ServerAddress. hostname port)])
+                   (into-array-list (if (coll? credentials)
+                                      credentials
+                                      [credentials])))))
 
 (defn get-db-names
   "Gets a list of all database names present on the server"

src/clojure/monger/util.clj

@@ -57,7 +57,7 @@
   "Returns a new BSON object id, or converts str to BSON object id"
   ([]
      (ObjectId.))
-  ([s]
+  ([^String s]
      (ObjectId. s)))
 
 (defprotocol GetDocumentId
@@ -73,3 +73,8 @@
   (get-id
     [^IPersistentMap object]
     (or (:_id object) (object "_id"))))
+
+(defn into-array-list
+  "Coerce a j.u.Collection into a j.u.ArrayList."
+  ^java.util.ArrayList [^java.util.Collection coll]
+  (java.util.ArrayList. coll))