org.drools.reteoo
Class JoinNode

java.lang.Object
  org.drools.common.BaseNode
      org.drools.reteoo.LeftTupleSource
          org.drools.reteoo.BetaNode
              org.drools.reteoo.JoinNode

All Implemented Interfaces:

Externalizable, Serializable, NetworkNode, NodeMemory, LeftTupleSink, LeftTupleSinkNode, ObjectSink, ObjectSinkNode, RightTupleSink, Sink

public class JoinNode
extends BetaNode

See Also:

Serialized Form

Field Summary

Fields inherited from class org.drools.reteoo.BetaNode

concurrentRightTupleMemory, constraints, leftInput, lrUnlinkingEnabled, objectMemory, rightInput, tupleMemoryEnabled

Fields inherited from class org.drools.reteoo.LeftTupleSource

sink

Fields inherited from class org.drools.common.BaseNode

associations, id, partitionId, partitionsEnabled

Constructor Summary

JoinNode()

JoinNode(int id, LeftTupleSource leftInput, ObjectSource rightInput, BetaConstraints binder, BuildContext context)

Method Summary

void	assertLeftTuple(LeftTuple leftTuple, PropagationContext context, InternalWorkingMemory workingMemory) Assert a new ReteTuple.
void	assertObject(InternalFactHandle factHandle, PropagationContext context, InternalWorkingMemory workingMemory)
LeftTuple	createLeftTuple(InternalFactHandle factHandle, LeftTupleSink sink, boolean leftTupleMemoryEnabled)
LeftTuple	createLeftTuple(LeftTuple leftTuple, LeftTupleSink sink, boolean leftTupleMemoryEnabled)
LeftTuple	createLeftTuple(LeftTuple leftTuple, RightTuple rightTuple, LeftTuple currentLeftChild, LeftTuple currentRightChild, LeftTupleSink sink, boolean leftTupleMemoryEnabled)
LeftTuple	createLeftTuple(LeftTuple leftTuple, RightTuple rightTuple, LeftTupleSink sink)
short	getType()
void	modifyLeftTuple(InternalFactHandle factHandle, ModifyPreviousTuples modifyPreviousTuples, PropagationContext context, InternalWorkingMemory workingMemory)
void	modifyLeftTuple(LeftTuple leftTuple, PropagationContext context, InternalWorkingMemory workingMemory)
void	modifyObject(InternalFactHandle factHandle, ModifyPreviousTuples modifyPreviousTuples, PropagationContext context, InternalWorkingMemory workingMemory)
void	modifyRightTuple(RightTuple rightTuple, PropagationContext context, InternalWorkingMemory workingMemory)
protected void	propagateFromLeft(RightTuple rightTuple, LeftTuple leftTuple, ContextEntry[] contextEntry, boolean useLeftMemory, PropagationContext context, InternalWorkingMemory workingMemory)
protected void	propagateFromRight(RightTuple rightTuple, LeftTuple leftTuple, BetaMemory memory, PropagationContext context, InternalWorkingMemory workingMemory)
protected LeftTuple	propagateOrModifyFromLeft(RightTuple rightTuple, LeftTuple leftTuple, LeftTuple childLeftTuple, ContextEntry[] contextEntry, PropagationContext context, InternalWorkingMemory workingMemory)
protected LeftTuple	propagateOrModifyFromRight(RightTuple rightTuple, LeftTuple leftTuple, LeftTuple childLeftTuple, BetaMemory memory, PropagationContext context, InternalWorkingMemory workingMemory)
void	retractLeftTuple(LeftTuple leftTuple, PropagationContext context, InternalWorkingMemory workingMemory)
void	retractRightTuple(RightTuple rightTuple, PropagationContext context, InternalWorkingMemory workingMemory)
String	toString()
void	updateSink(LeftTupleSink sink, PropagationContext context, InternalWorkingMemory workingMemory)

Methods inherited from class org.drools.reteoo.BetaNode

attach, byPassModifyToBetaNode, createMemory, createRightTuple, doRemove, dumpMemory, equals, getConstraints, getFirstLeftTuple, getFirstLeftTuple, getFirstRightTuple, getFirstRightTuple, getLeftIterator, getLeftTupleSource, getNextLeftTupleSinkNode, getNextObjectSinkNode, getObjectTypeNode, getPreviousLeftTupleSinkNode, getPreviousObjectSinkNode, getRawConstraints, getRightDeclaredMask, getRightInferredMask, getRightInputOtnId, getRightIterator, getRightNegativeMask, getRules, hashCode, initDeclaredMask, initInferredMask, initInferredMask, isConcurrentRightTupleMemory, isLeftTupleMemoryEnabled, isObjectMemoryEnabled, leftUnlinked, networkUpdated, readExternal, rightUnlinked, setConcurrentRightTupleMemory, setLeftListenedProperties, setLeftTupleMemoryEnabled, setNextLeftTupleSinkNode, setNextObjectSinkNode, setObjectMemoryEnabled, setPreviousLeftTupleSinkNode, setPreviousObjectSinkNode, setRightDeclaredMask, setRightInputOtnId, unwrapRightInput, writeExternal

Methods inherited from class org.drools.reteoo.LeftTupleSource

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

Methods inherited from class org.drools.common.BaseNode

addAssociation, attach, getAssociations, getId, getPartitionId, remove, removeAssociation, setPartitionId

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.drools.reteoo.LeftTupleSink

getLeftInputOtnId, setLeftInputOtnId

Methods inherited from interface org.drools.common.NetworkNode

getId, getPartitionId

Methods inherited from interface org.drools.common.NodeMemory

getId

Constructor Detail

JoinNode

public JoinNode()

JoinNode

public JoinNode(int id,
                LeftTupleSource leftInput,
                ObjectSource rightInput,
                BetaConstraints binder,
                BuildContext context)

Method Detail

assertLeftTuple

public void assertLeftTuple(LeftTuple leftTuple,
                            PropagationContext context,
                            InternalWorkingMemory workingMemory)

Description copied from interface: LeftTupleSink

Assert a new ReteTuple.

Parameters:

leftTuple - The ReteTuple to propagate.

context - The PropagationContext of the WorkingMemory action

workingMemory - the WorkingMemory session.

propagateFromLeft

protected void propagateFromLeft(RightTuple rightTuple,
                                 LeftTuple leftTuple,
                                 ContextEntry[] contextEntry,
                                 boolean useLeftMemory,
                                 PropagationContext context,
                                 InternalWorkingMemory workingMemory)

assertObject

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

propagateFromRight

protected void propagateFromRight(RightTuple rightTuple,
                                  LeftTuple leftTuple,
                                  BetaMemory memory,
                                  PropagationContext context,
                                  InternalWorkingMemory workingMemory)

retractRightTuple

public void retractRightTuple(RightTuple rightTuple,
                              PropagationContext context,
                              InternalWorkingMemory workingMemory)

retractLeftTuple

public void retractLeftTuple(LeftTuple leftTuple,
                             PropagationContext context,
                             InternalWorkingMemory workingMemory)

modifyRightTuple

public void modifyRightTuple(RightTuple rightTuple,
                             PropagationContext context,
                             InternalWorkingMemory workingMemory)

propagateOrModifyFromRight

protected LeftTuple propagateOrModifyFromRight(RightTuple rightTuple,
                                               LeftTuple leftTuple,
                                               LeftTuple childLeftTuple,
                                               BetaMemory memory,
                                               PropagationContext context,
                                               InternalWorkingMemory workingMemory)

modifyLeftTuple

public void modifyLeftTuple(LeftTuple leftTuple,
                            PropagationContext context,
                            InternalWorkingMemory workingMemory)

propagateOrModifyFromLeft

protected LeftTuple propagateOrModifyFromLeft(RightTuple rightTuple,
                                              LeftTuple leftTuple,
                                              LeftTuple childLeftTuple,
                                              ContextEntry[] contextEntry,
                                              PropagationContext context,
                                              InternalWorkingMemory workingMemory)

updateSink

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

Specified by:

updateSink in class LeftTupleSource

modifyLeftTuple

public void modifyLeftTuple(InternalFactHandle factHandle,
                            ModifyPreviousTuples modifyPreviousTuples,
                            PropagationContext context,
                            InternalWorkingMemory workingMemory)

Specified by:

modifyLeftTuple in interface LeftTupleSink

Overrides:

modifyLeftTuple in class LeftTupleSource

modifyObject

public void modifyObject(InternalFactHandle factHandle,
                         ModifyPreviousTuples modifyPreviousTuples,
                         PropagationContext context,
                         InternalWorkingMemory workingMemory)

Specified by:

modifyObject in interface ObjectSink

Overrides:

modifyObject in class BetaNode

getType

public short getType()

toString

public String toString()

Overrides:

toString in class BetaNode

createLeftTuple

public LeftTuple createLeftTuple(InternalFactHandle factHandle,
                                 LeftTupleSink sink,
                                 boolean leftTupleMemoryEnabled)

createLeftTuple

public LeftTuple createLeftTuple(LeftTuple leftTuple,
                                 LeftTupleSink sink,
                                 boolean leftTupleMemoryEnabled)

createLeftTuple

public LeftTuple createLeftTuple(LeftTuple leftTuple,
                                 RightTuple rightTuple,
                                 LeftTupleSink sink)

createLeftTuple

public LeftTuple createLeftTuple(LeftTuple leftTuple,
                                 RightTuple rightTuple,
                                 LeftTuple currentLeftChild,
                                 LeftTuple currentRightChild,
                                 LeftTupleSink sink,
                                 boolean leftTupleMemoryEnabled)