DBCallback Factory

mongodb · May 7, 2010 · d2f283c · d2f283c
1 parent 6d9bf36
commit d2f283c
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Showing 2 changed files with 14 additions and 2 deletions.
diff --git a/src/main/com/mongodb/DBCallback.java b/src/main/com/mongodb/DBCallback.java
@@ -9,8 +9,20 @@
 import org.bson.types.*;
 
 public class DBCallback extends BasicBSONCallback {
+
+    public static interface Factory {
+        public DBCallback create( DBCollection collection );
+    }
+
+    static class DefaultFactory implements Factory {
+        public DBCallback create( DBCollection collection ){
+            return new DBCallback( collection );
+        }
+    }
+
+    public static Factory FACTORY = new DefaultFactory();
 
-    DBCallback( DBCollection coll ){
+    public DBCallback( DBCollection coll ){
         _collection = coll;
         _db = _collection == null ? null : _collection.getDB();
     }

diff --git a/src/main/com/mongodb/Response.java b/src/main/com/mongodb/Response.java
@@ -83,7 +83,7 @@ DBObject next(){
         if ( _readSoFar >= _num )
             throw new IllegalStateException( "already finished" );
 
-        DBCallback c = new DBCallback( _collection );
+        DBCallback c = DBCallback.FACTORY.create( _collection );
         try {
             _decoder.decode( _user , c );
         }