Class UnionStreamlet<I>
- java.lang.Object
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- org.apache.heron.streamlet.impl.StreamletBaseImpl<R>
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- org.apache.heron.streamlet.impl.StreamletImpl<I>
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- org.apache.heron.streamlet.impl.streamlets.UnionStreamlet<I>
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- All Implemented Interfaces:
Streamlet<I>
,StreamletBase<I>
public class UnionStreamlet<I> extends StreamletImpl<I>
UnionStreamlet is a Streamlet composed of all the elements of two parent streamlets.
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Nested Class Summary
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Nested classes/interfaces inherited from class org.apache.heron.streamlet.impl.StreamletBaseImpl
StreamletBaseImpl.StreamletNamePrefix
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Field Summary
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Fields inherited from class org.apache.heron.streamlet.impl.StreamletBaseImpl
name, nPartitions
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Constructor Summary
Constructors Constructor Description UnionStreamlet(StreamletImpl<I> left, StreamletImpl<? extends I> right)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description boolean
doBuild(TopologyBuilder bldr, Set<String> stageNames)
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Methods inherited from class org.apache.heron.streamlet.impl.StreamletImpl
applyOperator, applyOperator, clone, consume, countByKey, countByKeyAndWindow, filter, flatMap, getAvailableStreamIds, getStreamId, join, join, keyBy, keyBy, log, map, reduceByKey, reduceByKey, reduceByKeyAndWindow, reduceByKeyAndWindow, repartition, repartition, setName, setNumPartitions, split, toSink, transform, union, withStream
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Methods inherited from class org.apache.heron.streamlet.impl.StreamletBaseImpl
addChild, build, getChildren, getName, getNumPartitions, isBuilt, isFullyBuilt, setDefaultNameIfNone
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface org.apache.heron.streamlet.Streamlet
getName, getNumPartitions
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Constructor Detail
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UnionStreamlet
public UnionStreamlet(StreamletImpl<I> left, StreamletImpl<? extends I> right)
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Method Detail
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doBuild
public boolean doBuild(TopologyBuilder bldr, Set<String> stageNames)
- Specified by:
doBuild
in classStreamletBaseImpl<I>
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