src/share/classes/java/util/stream/Stream.java
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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
@@ -888,11 +888,12 @@
/**
* Creates a lazy concatenated {@code Stream} whose elements are all the
* elements of a first {@code Stream} succeeded by all the elements of the
* second {@code Stream}. 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 <T> The type of stream elements
* @param a the first stream
* @param b the second stream to concatenate on to end of the first
* stream
@@ -903,11 +904,12 @@
Objects.requireNonNull(b);
@SuppressWarnings("unchecked")
Spliterator<T> split = new Streams.ConcatSpliterator.OfRef<>(
(Spliterator<T>) a.spliterator(), (Spliterator<T>) b.spliterator());
- return StreamSupport.stream(split, a.isParallel() || b.isParallel());
+ Stream<T> stream = StreamSupport.stream(split, a.isParallel() || b.isParallel());
+ return stream.onClose(Streams.composedClose(a, b));
}
/**
* A mutable builder for a {@code Stream}. This allows the creation of a
* {@code Stream} by generating elements individually and adding them to the