org.drools.reteoo.nodes
Class ReteExistsNode

java.lang.Object
  org.drools.core.common.BaseNode
      org.drools.core.reteoo.LeftTupleSource
          org.drools.core.reteoo.BetaNode
              org.drools.core.reteoo.ExistsNode
                  org.drools.reteoo.nodes.ReteExistsNode

All Implemented Interfaces:

Externalizable, Serializable, org.drools.core.common.MemoryFactory, org.drools.core.common.NetworkNode, org.drools.core.reteoo.LeftTupleSink, org.drools.core.reteoo.LeftTupleSinkNode, org.drools.core.reteoo.ObjectSink, org.drools.core.reteoo.ObjectSinkNode, org.drools.core.reteoo.RightTupleSink, org.drools.core.reteoo.Sink

public class ReteExistsNode
extends org.drools.core.reteoo.ExistsNode

See Also:

Serialized Form

Field Summary

Fields inherited from class org.drools.core.reteoo.BetaNode

concurrentRightTupleMemory, constraints, indexedUnificationJoin, log, objectMemory, rightInput, tupleMemoryEnabled

Fields inherited from class org.drools.core.reteoo.LeftTupleSource

leftInput, sink

Fields inherited from class org.drools.core.common.BaseNode

associations, id, partitionId, partitionsEnabled, streamMode

Constructor Summary

ReteExistsNode()

ReteExistsNode(int id, org.drools.core.reteoo.LeftTupleSource leftInput, org.drools.core.reteoo.ObjectSource rightInput, org.drools.core.common.BetaConstraints joinNodeBinder, org.drools.core.reteoo.builder.BuildContext context)

Method Summary

void	assertLeftTuple(org.drools.core.reteoo.LeftTuple leftTuple, org.drools.core.spi.PropagationContext context, org.drools.core.common.InternalWorkingMemory workingMemory)
void	assertObject(org.drools.core.common.InternalFactHandle factHandle, org.drools.core.spi.PropagationContext pctx, org.drools.core.common.InternalWorkingMemory wm)
void	assertRightTuple(org.drools.core.reteoo.RightTuple rightTuple, org.drools.core.spi.PropagationContext context, org.drools.core.common.InternalWorkingMemory workingMemory)
void	attach(org.drools.core.reteoo.builder.BuildContext context)
void	doCollectAncestors(org.drools.core.reteoo.NodeSet nodeSet)
void	doRemove(org.drools.core.reteoo.RuleRemovalContext context, org.drools.core.reteoo.ReteooBuilder builder, org.drools.core.common.InternalWorkingMemory[] workingMemories)
void	modifyLeftTuple(org.drools.core.common.InternalFactHandle factHandle, org.drools.core.reteoo.ModifyPreviousTuples modifyPreviousTuples, org.drools.core.spi.PropagationContext context, org.drools.core.common.InternalWorkingMemory workingMemory)
void	modifyLeftTuple(org.drools.core.reteoo.LeftTuple leftTuple, org.drools.core.spi.PropagationContext context, org.drools.core.common.InternalWorkingMemory workingMemory)
void	modifyObject(org.drools.core.common.InternalFactHandle factHandle, org.drools.core.reteoo.ModifyPreviousTuples modifyPreviousTuples, org.drools.core.spi.PropagationContext context, org.drools.core.common.InternalWorkingMemory workingMemory)
void	modifyRightTuple(org.drools.core.reteoo.RightTuple rightTuple, org.drools.core.spi.PropagationContext context, org.drools.core.common.InternalWorkingMemory workingMemory)
void	retractLeftTuple(org.drools.core.reteoo.LeftTuple leftTuple, org.drools.core.spi.PropagationContext context, org.drools.core.common.InternalWorkingMemory workingMemory) Retract the ReteTuple, any resulting propagated joins are also retracted.
void	retractRightTuple(org.drools.core.reteoo.RightTuple rightTuple, org.drools.core.spi.PropagationContext pctx, org.drools.core.common.InternalWorkingMemory workingMemory)
void	updateSink(org.drools.core.reteoo.LeftTupleSink sink, org.drools.core.spi.PropagationContext context, org.drools.core.common.InternalWorkingMemory workingMemory) Updates the given sink propagating all previously propagated tuples to it

Methods inherited from class org.drools.core.reteoo.ExistsNode

createLeftTuple, createLeftTuple, createLeftTuple, createLeftTuple, createLeftTuple, createPeer, getType, isLeftUpdateOptimizationAllowed, toString

Methods inherited from class org.drools.core.reteoo.BetaNode

byPassModifyToBetaNode, createMemory, createRightTuple, doDeleteRightTuple, doUpdateRightTuple, dumpMemory, equals, getBetaMemory, getBetaMemoryFromRightInput, getConstraints, getFirstLeftTuple, getFirstLeftTuple, getFirstRightTuple, getFirstRightTuple, getLeftIterator, getLeftTupleSource, getNextLeftTupleSinkNode, getNextObjectSinkNode, getObjectTypeNode, getPreviousLeftTupleSinkNode, getPreviousObjectSinkNode, getRawConstraints, getRightDeclaredMask, getRightInferredMask, getRightInput, getRightInputOtnId, getRightIterator, getRightIterator, getRightNegativeMask, getRules, hashCode, initDeclaredMask, initInferredMask, initInferredMask, isConcurrentRightTupleMemory, isIndexedUnificationJoin, isLeftTupleMemoryEnabled, isObjectMemoryEnabled, isRightInputIsRiaNode, networkUpdated, readExternal, setConcurrentRightTupleMemory, setConstraints, setLeftListenedProperties, setLeftTupleMemoryEnabled, setNextLeftTupleSinkNode, setNextObjectSinkNode, setObjectMemoryEnabled, setPreviousLeftTupleSinkNode, setPreviousObjectSinkNode, setRightDeclaredMask, setRightInputOtnId, setUnificationJoin, unwrapRightInput, writeExternal

Methods inherited from class org.drools.core.reteoo.LeftTupleSource

addTupleSink, addTupleSink, addTupleSink, getLeftDeclaredMask, getLeftInferredMask, getLeftInputOtnId, getLeftNegativeMask, getObjectType, getSinkPropagator, initMasks, isInUse, removeTupleSink, setLeftInferredMask, setLeftInputOtnId, setLeftTupleSource

Methods inherited from class org.drools.core.common.BaseNode

addAssociation, attach, collectAncestors, getAssociations, getId, getPartitionId, isStreamMode, remove, removeAssociation, setId, setPartitionId

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.drools.core.reteoo.LeftTupleSink

getLeftInferredMask, getLeftInputOtnId, setLeftInputOtnId

Methods inherited from interface org.drools.core.common.NetworkNode

getAssociations, getId, getPartitionId

Methods inherited from interface org.drools.core.common.MemoryFactory

getId

Constructor Detail

ReteExistsNode

public ReteExistsNode()

ReteExistsNode

public ReteExistsNode(int id,
                      org.drools.core.reteoo.LeftTupleSource leftInput,
                      org.drools.core.reteoo.ObjectSource rightInput,
                      org.drools.core.common.BetaConstraints joinNodeBinder,
                      org.drools.core.reteoo.builder.BuildContext context)

Method Detail

assertObject

public void assertObject(org.drools.core.common.InternalFactHandle factHandle,
                         org.drools.core.spi.PropagationContext pctx,
                         org.drools.core.common.InternalWorkingMemory wm)

Specified by:

assertObject in interface org.drools.core.reteoo.ObjectSink

Overrides:

assertObject in class org.drools.core.reteoo.BetaNode

doCollectAncestors

public void doCollectAncestors(org.drools.core.reteoo.NodeSet nodeSet)

Overrides:

doCollectAncestors in class org.drools.core.reteoo.ExistsNode

attach

public void attach(org.drools.core.reteoo.builder.BuildContext context)

Overrides:

attach in class org.drools.core.reteoo.BetaNode

doRemove

public void doRemove(org.drools.core.reteoo.RuleRemovalContext context,
                     org.drools.core.reteoo.ReteooBuilder builder,
                     org.drools.core.common.InternalWorkingMemory[] workingMemories)

Overrides:

doRemove in class org.drools.core.reteoo.ExistsNode

modifyObject

public void modifyObject(org.drools.core.common.InternalFactHandle factHandle,
                         org.drools.core.reteoo.ModifyPreviousTuples modifyPreviousTuples,
                         org.drools.core.spi.PropagationContext context,
                         org.drools.core.common.InternalWorkingMemory workingMemory)

Specified by:

modifyObject in interface org.drools.core.reteoo.ObjectSink

Overrides:

modifyObject in class org.drools.core.reteoo.ExistsNode

modifyLeftTuple

public void modifyLeftTuple(org.drools.core.common.InternalFactHandle factHandle,
                            org.drools.core.reteoo.ModifyPreviousTuples modifyPreviousTuples,
                            org.drools.core.spi.PropagationContext context,
                            org.drools.core.common.InternalWorkingMemory workingMemory)

Specified by:

modifyLeftTuple in interface org.drools.core.reteoo.LeftTupleSink

Overrides:

modifyLeftTuple in class org.drools.core.reteoo.ExistsNode

assertLeftTuple

public void assertLeftTuple(org.drools.core.reteoo.LeftTuple leftTuple,
                            org.drools.core.spi.PropagationContext context,
                            org.drools.core.common.InternalWorkingMemory workingMemory)

Specified by:

assertLeftTuple in interface org.drools.core.reteoo.LeftTupleSink

Overrides:

assertLeftTuple in class org.drools.core.reteoo.ExistsNode

assertRightTuple

public void assertRightTuple(org.drools.core.reteoo.RightTuple rightTuple,
                             org.drools.core.spi.PropagationContext context,
                             org.drools.core.common.InternalWorkingMemory workingMemory)

Specified by:

assertRightTuple in interface org.drools.core.reteoo.RightTupleSink

Overrides:

assertRightTuple in class org.drools.core.reteoo.ExistsNode

retractRightTuple

public void retractRightTuple(org.drools.core.reteoo.RightTuple rightTuple,
                              org.drools.core.spi.PropagationContext pctx,
                              org.drools.core.common.InternalWorkingMemory workingMemory)

Specified by:

retractRightTuple in interface org.drools.core.reteoo.RightTupleSink

Overrides:

retractRightTuple in class org.drools.core.reteoo.ExistsNode

retractLeftTuple

public void retractLeftTuple(org.drools.core.reteoo.LeftTuple leftTuple,
                             org.drools.core.spi.PropagationContext context,
                             org.drools.core.common.InternalWorkingMemory workingMemory)

Retract the ReteTuple, any resulting propagated joins are also retracted.

Specified by:

retractLeftTuple in interface org.drools.core.reteoo.LeftTupleSink

Overrides:

retractLeftTuple in class org.drools.core.reteoo.ExistsNode

Parameters:

leftTuple - The tuple being retracted

context - The PropagationContext

workingMemory - The working memory session.

modifyLeftTuple

public void modifyLeftTuple(org.drools.core.reteoo.LeftTuple leftTuple,
                            org.drools.core.spi.PropagationContext context,
                            org.drools.core.common.InternalWorkingMemory workingMemory)

Specified by:

modifyLeftTuple in interface org.drools.core.reteoo.LeftTupleSink

Overrides:

modifyLeftTuple in class org.drools.core.reteoo.ExistsNode

modifyRightTuple

public void modifyRightTuple(org.drools.core.reteoo.RightTuple rightTuple,
                             org.drools.core.spi.PropagationContext context,
                             org.drools.core.common.InternalWorkingMemory workingMemory)

Specified by:

modifyRightTuple in interface org.drools.core.reteoo.RightTupleSink

Overrides:

modifyRightTuple in class org.drools.core.reteoo.ExistsNode

updateSink

public void updateSink(org.drools.core.reteoo.LeftTupleSink sink,
                       org.drools.core.spi.PropagationContext context,
                       org.drools.core.common.InternalWorkingMemory workingMemory)

Updates the given sink propagating all previously propagated tuples to it

Overrides:

updateSink in class org.drools.core.reteoo.ExistsNode