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

org.drools.reteoo
Class AccumulateNode

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

All Implemented Interfaces:

Serializable, NetworkNode, NodeMemory, ObjectSink, ObjectSinkNode, TupleSink, TupleSinkNode

public class AccumulateNode
extends TupleSource

AccumulateNode A beta node capable of doing accumulate logic. Created: 04/06/2006

Version:

$Id: AccumulateNode.java 11713 2007-05-07 19:48:53Z tirelli $

Author:

Edson Tirelli

See Also:

Serialized Form

Field Summary
protected  BetaConstraints	constraints
protected  TupleSource	leftInput           The left input TupleSource.
protected  ObjectSource	rightInput           The right input TupleSource.

 

Fields inherited from class org.drools.reteoo.TupleSource
sink

 

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

 

Constructor Summary
AccumulateNode(int id, TupleSource leftInput, ObjectSource rightInput, AlphaNodeFieldConstraint[] resultConstraints, BetaConstraints sourceBinder, BetaConstraints resultBinder, Accumulate accumulate)

 

Method Summary
void	assertObject(InternalFactHandle handle, PropagationContext context, InternalWorkingMemory workingMemory)           Assert a new FactHandleImpl.
void	assertTuple(ReteTuple leftTuple, PropagationContext context, InternalWorkingMemory workingMemory)           Assert a new ReteTuple.
void	attach()           Attaches the node into the network.
void	attach(InternalWorkingMemory[] workingMemories)
Object	createMemory(RuleBaseConfiguration config)           Creates a BetaMemory for the BetaNode's memory.
void	dumpMemory(InternalWorkingMemory workingMemory)
boolean	equals(Object object)
BetaNodeFieldConstraint[]	getConstraints()
ObjectSinkNode	getNextObjectSinkNode()           Returns the next node
TupleSinkNode	getNextTupleSinkNode()           Returns the next node
ObjectTypeNode	getObjectTypeNode()
ObjectSinkNode	getPreviousObjectSinkNode()           Returns the previous node
TupleSinkNode	getPreviousTupleSinkNode()           Returns the previous node
List	getRules()
int	hashCode()           The hashCode return is simply the unique id of the node.
void	remove(BaseNode node, InternalWorkingMemory[] workingMemories)           Removes the node from teh network.
void	retractObject(InternalFactHandle handle, PropagationContext context, InternalWorkingMemory workingMemory)           Retract an existing FactHandleImpl.
void	retractTuple(ReteTuple leftTuple, PropagationContext context, InternalWorkingMemory workingMemory)
void	setNextObjectSinkNode(ObjectSinkNode next)           Sets the next node
void	setNextTupleSinkNode(TupleSinkNode next)           Sets the next node
void	setPreviousObjectSinkNode(ObjectSinkNode previous)           Sets the previous node
void	setPreviousTupleSinkNode(TupleSinkNode previous)           Sets the previous node
String	toString()
void	updateSink(TupleSink sink, PropagationContext context, InternalWorkingMemory workingMemory)

 

Methods inherited from class org.drools.reteoo.TupleSource
addTupleSink, getSinkPropagator, removeTupleSink

 

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

 

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

 

Methods inherited from interface org.drools.common.NodeMemory
getId

 

Field Detail

leftInput

protected final TupleSource leftInput

The left input TupleSource.

rightInput

protected final ObjectSource rightInput

The right input TupleSource.

constraints

protected final BetaConstraints constraints

AccumulateNode

public AccumulateNode(int id,
                      TupleSource leftInput,
                      ObjectSource rightInput,
                      AlphaNodeFieldConstraint[] resultConstraints,
                      BetaConstraints sourceBinder,
                      BetaConstraints resultBinder,
                      Accumulate accumulate)

assertTuple

public void assertTuple(ReteTuple leftTuple,
                        PropagationContext context,
                        InternalWorkingMemory workingMemory)

Description copied from interface: TupleSink

Assert a new ReteTuple.

Parameters:

leftTuple - The ReteTuple to propagate.

context - The PropagationContext of the WorkingMemory action

workingMemory - the WorkingMemory session.

public void retractTuple(ReteTuple leftTuple,
                         PropagationContext context,
                         InternalWorkingMemory workingMemory)

public void assertObject(InternalFactHandle handle,
                         PropagationContext context,
                         InternalWorkingMemory workingMemory)

public void retractObject(InternalFactHandle handle,
                          PropagationContext context,
                          InternalWorkingMemory workingMemory)

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

public int hashCode()

public boolean equals(Object object)

public String toString()

public BetaNodeFieldConstraint[] getConstraints()

public void attach()

public List getRules()

public ObjectTypeNode getObjectTypeNode()

public void attach(InternalWorkingMemory[] workingMemories)

public void remove(BaseNode node,
                   InternalWorkingMemory[] workingMemories)

public void dumpMemory(InternalWorkingMemory workingMemory)

public Object createMemory(RuleBaseConfiguration config)

public TupleSinkNode getNextTupleSinkNode()

public void setNextTupleSinkNode(TupleSinkNode next)

public TupleSinkNode getPreviousTupleSinkNode()

public void setPreviousTupleSinkNode(TupleSinkNode previous)

public ObjectSinkNode getNextObjectSinkNode()

public void setNextObjectSinkNode(ObjectSinkNode next)

public ObjectSinkNode getPreviousObjectSinkNode()

public void setPreviousObjectSinkNode(ObjectSinkNode previous)