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TupleSource (Drools 4.0.0.11754MR2 API) - JBoss RULES 4.0.0.11754MR2 API 英文版文档

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org.drools.reteoo
Class TupleSource

java.lang.Object
  org.drools.common.BaseNode
      org.drools.reteoo.TupleSource

All Implemented Interfaces:

Serializable, NetworkNode

Direct Known Subclasses:

AccumulateNode, CollectNode, EvalConditionNode, ExistsNode, FromNode, JoinNode, LeftInputAdapterNode, NotNode

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public abstract class TupleSource
extends BaseNode
implements Serializable

A source of ReteTuple s for a TupleSink.

Nodes that propagate Tuples extend this class.

Author:

Mark Proctor, Bob McWhirter

See Also:

TupleSource, ReteTuple, Serialized Form

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Field Summary
protected  TupleSinkPropagator	sink           The destination for Tuples.

 

Fields inherited from class org.drools.common.BaseNode
hasMemory, id, sharedCount

 

Method Summary
protected  void	addTupleSink(TupleSink tupleSink)           Adds the TupleSink so that it may receive Tuples propagated from this TupleSource.
TupleSinkPropagator	getSinkPropagator()
protected  void	removeTupleSink(TupleSink tupleSink)           Removes the TupleSink
abstract  void	updateSink(TupleSink sink, PropagationContext context, InternalWorkingMemory workingMemory)

 

Methods inherited from class org.drools.common.BaseNode
addShare, attach, attach, getId, getSharedCount, hashCode, hasMemory, isInUse, isShared, remove, removeShare, setHasMemory, toString

 

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, notify, notifyAll, wait, wait, wait

 

Field Detail

sink

protected TupleSinkPropagator sink

The destination for Tuples.

Method Detail

addTupleSink

protected void addTupleSink(TupleSink tupleSink)

Adds the TupleSink so that it may receive Tuples propagated from this TupleSource.

Parameters:

tupleSink - The TupleSink to receive propagated Tuples.

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removeTupleSink

protected void removeTupleSink(TupleSink tupleSink)

Removes the TupleSink

Parameters:

tupleSink - The TupleSink to remove

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getSinkPropagator

public TupleSinkPropagator getSinkPropagator()

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updateSink

public abstract void updateSink(TupleSink sink,
                                PropagationContext context,
                                InternalWorkingMemory workingMemory)

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