src/share/classes/java/util/stream/IntStream.java

rev 7627 : 8015315: Stream.concat methods
Reviewed-by: psandoz
Contributed-by: brian.goetz@oracle.com, henry.jen@oracle.com
rev 7630 : 8019395: Consolidate StreamSupport.{stream,parallelStream} into a single method
Reviewed-by: henryjen
rev 7631 : 8020062: Nest StreamBuilder interfaces inside relevant Stream interfaces
Reviewed-by: psandoz
Contributed-by: brian goetz <brian.goetz@oracle.com>
rev 7632 : 8015318: Extend Collector with 'finish' operation
Reviewed-by:
Contributed-by: brian.goetz@oracle.com
rev 7633 : 8017513: Support for closeable streams
Reviewed-by:
Contributed-by: brian.goetz@oracle.com

@@ -804,11 +804,12 @@
     /**
      * Creates a lazy concatenated {@code IntStream} whose elements are all the
      * elements of a first {@code IntStream} succeeded by all the elements of the
      * second {@code IntStream}. The resulting stream is ordered if both
      * of the input streams are ordered, and parallel if either of the input
-     * streams is parallel.
+     * streams is parallel.  When the resulting stream is closed, the close
+     * handlers for both input streams is invoked.
      *
      * @param a the first stream
      * @param b the second stream to concatenate on to end of the first stream
      * @return the concatenation of the two streams
      */

@@ -816,11 +817,12 @@
         Objects.requireNonNull(a);
         Objects.requireNonNull(b);
 
         Spliterator.OfInt split = new Streams.ConcatSpliterator.OfInt(
                 a.spliterator(), b.spliterator());
-        return StreamSupport.intStream(split, a.isParallel() || b.isParallel());
+        IntStream stream = StreamSupport.intStream(split, a.isParallel() || b.isParallel());
+        return stream.onClose(Streams.composedClose(a, b));
     }
 
     /**
      * A mutable builder for an {@code IntStream}.
      *