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

org.drools.reteoo
Class FromNode

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

All Implemented Interfaces:

Serializable, NetworkNode, NodeMemory, TupleSink, TupleSinkNode

public class FromNode
extends TupleSource
implements TupleSinkNode, NodeMemory

See Also:

Serialized Form

Field Summary

 

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

 

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

 

Constructor Summary
FromNode(int id, DataProvider dataProvider, TupleSource tupleSource, AlphaNodeFieldConstraint[] constraints, BetaConstraints binder)

 

Method Summary
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)
TupleSinkNode	getNextTupleSinkNode()           Returns the next node
TupleSinkNode	getPreviousTupleSinkNode()           Returns the previous node
void	remove(BaseNode node, InternalWorkingMemory[] workingMemories)           Removes the node from teh network.
void	retractTuple(ReteTuple leftTuple, PropagationContext context, InternalWorkingMemory workingMemory)
void	setNextTupleSinkNode(TupleSinkNode next)           Sets the next node
void	setPreviousTupleSinkNode(TupleSinkNode previous)           Sets the previous node
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, hashCode, hasMemory, isInUse, isShared, removeShare, setHasMemory, toString

 

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

 

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

 

Constructor Detail

FromNode

public FromNode(int id,
                DataProvider dataProvider,
                TupleSource tupleSource,
                AlphaNodeFieldConstraint[] constraints,
                BetaConstraints binder)

assertTuple

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

Description copied from interface: TupleSink

Assert a new ReteTuple.

Specified by:

assertTuple in interface TupleSink

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 attach()

public void attach(InternalWorkingMemory[] workingMemories)

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

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

public Object createMemory(RuleBaseConfiguration config)

public TupleSinkNode getNextTupleSinkNode()

public void setNextTupleSinkNode(TupleSinkNode next)

public TupleSinkNode getPreviousTupleSinkNode()

public void setPreviousTupleSinkNode(TupleSinkNode previous)