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8071597: Add Stream dropWhile and takeWhile operations

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Reviewed-by: briangoetz, smarks, chegar, forax
This commit is contained in:
Paul Sandoz 2015-06-09 07:10:03 +01:00
parent 5d91ae3352
commit 5744f4fc30
18 changed files with 3665 additions and 41 deletions
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16
jdk/src/java.base/share/classes/java/util/stream/ReferencePipeline.java
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@ -122,8 +122,10 @@ abstract class ReferencePipeline<P_IN, P_OUT>
}
@Override
final void forEachWithCancel(Spliterator<P_OUT> spliterator, Sink<P_OUT> sink) {
do { } while (!sink.cancellationRequested() && spliterator.tryAdvance(sink));
final boolean forEachWithCancel(Spliterator<P_OUT> spliterator, Sink<P_OUT> sink) {
boolean cancelled;
do { } while (!(cancelled = sink.cancellationRequested()) && spliterator.tryAdvance(sink));
return cancelled;
}
@Override
@ -411,6 +413,16 @@ abstract class ReferencePipeline<P_IN, P_OUT>
return SliceOps.makeRef(this, n, -1);
}
@Override
public final Stream<P_OUT> takeWhile(Predicate<? super P_OUT> predicate) {
return WhileOps.makeTakeWhileRef(this, predicate);
}
@Override
public final Stream<P_OUT> dropWhile(Predicate<? super P_OUT> predicate) {
return WhileOps.makeDropWhileRef(this, predicate);
}
// Terminal operations from Stream
@Override