org.drools.core.reteoo

Class JoinNode

java.lang.Object

org.drools.core.common.BaseNode

org.drools.core.reteoo.LeftTupleSource

org.drools.core.reteoo.BetaNode

org.drools.core.reteoo.JoinNode

All Implemented Interfaces:

Externalizable, Serializable, MemoryFactory, NetworkNode, LeftTupleNode, LeftTupleSink, LeftTupleSinkNode, ObjectSink, ObjectSinkNode, RightTupleSink, Sink

public class JoinNode
extends BetaNode

See Also:

Serialized Form

Field Summary

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

constraints, indexedUnificationJoin, isLogTraceEnabled, 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

Constructor Summary

Constructors

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

Method Summary

Methods

Modifier and Type	Method and Description
void	assertLeftTuple(LeftTuple leftTuple, PropagationContext context, InternalWorkingMemory workingMemory) Assert a new ReteTuple.
void	assertRightTuple(RightTuple rightTuple, PropagationContext context, InternalWorkingMemory workingMemory)
LeftTuple	createLeftTuple(InternalFactHandle factHandle, LeftTuple leftTuple, Sink sink)
LeftTuple	createLeftTuple(InternalFactHandle factHandle, Sink sink, boolean leftTupleMemoryEnabled)
LeftTuple	createLeftTuple(LeftTuple leftTuple, RightTuple rightTuple, LeftTuple currentLeftChild, LeftTuple currentRightChild, Sink sink, boolean leftTupleMemoryEnabled)
LeftTuple	createLeftTuple(LeftTuple leftTuple, RightTuple rightTuple, Sink sink)
LeftTuple	createLeftTuple(LeftTuple leftTuple, Sink sink, PropagationContext pctx, boolean leftTupleMemoryEnabled)
LeftTuple	createPeer(LeftTuple original)
boolean	doRemove(RuleRemovalContext context, ReteooBuilder builder, InternalWorkingMemory[] workingMemories) Removes the node from teh network.
short	getType()
void	modifyLeftTuple(InternalFactHandle factHandle, ModifyPreviousTuples modifyPreviousTuples, PropagationContext context, InternalWorkingMemory workingMemory)
void	modifyLeftTuple(LeftTuple leftTuple, PropagationContext context, InternalWorkingMemory workingMemory)
void	modifyRightTuple(RightTuple rightTuple, PropagationContext context, InternalWorkingMemory workingMemory)
void	retractLeftTuple(LeftTuple leftTuple, PropagationContext context, InternalWorkingMemory workingMemory)
void	retractRightTuple(RightTuple rightTuple, PropagationContext pctx, InternalWorkingMemory wm)
String	toString()
void	updateSink(LeftTupleSink sink, PropagationContext context, InternalWorkingMemory workingMemory)

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

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

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

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

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

addAssociation, addAssociation, getAssociatedRuleSize, getAssociationsSize, getAssociationsSize, getId, getPartitionId, isAssociatedWith, isStreamMode, remove, removeAssociation, setId, setPartitionId, setStreamMode

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.reteoo.LeftTupleNode

getPositionInPath, getSinkPropagator

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

getAssociatedRuleSize, getAssociationsSize, getAssociationsSize, getId, getPartitionId, isAssociatedWith

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

getId

Constructor Detail

JoinNode

public JoinNode()

JoinNode

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

Method Detail

getType

public short getType()

Specified by:

getType in interface NetworkNode

Specified by:

getType in class LeftTupleSource

toString

public String toString()

Overrides:

toString in class BetaNode

createPeer

public LeftTuple createPeer(LeftTuple original)

Specified by:

createPeer in interface LeftTupleSink

Specified by:

createPeer in class LeftTupleSource

createLeftTuple

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

createLeftTuple

public LeftTuple createLeftTuple(InternalFactHandle factHandle,
                        LeftTuple leftTuple,
                        Sink sink)

createLeftTuple

public LeftTuple createLeftTuple(LeftTuple leftTuple,
                        Sink sink,
                        PropagationContext pctx,
                        boolean leftTupleMemoryEnabled)

createLeftTuple

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

createLeftTuple

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

assertRightTuple

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

retractRightTuple

public void retractRightTuple(RightTuple rightTuple,
                     PropagationContext pctx,
                     InternalWorkingMemory wm)

modifyRightTuple

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

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.

retractLeftTuple

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

modifyLeftTuple

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

modifyLeftTuple

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

updateSink

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

Specified by:

updateSink in class LeftTupleSource

doRemove

public boolean doRemove(RuleRemovalContext context,
               ReteooBuilder builder,
               InternalWorkingMemory[] workingMemories)

Description copied from class: BaseNode

Removes the node from teh network. Usually from the parent ObjectSource or TupleSource

Specified by:

doRemove in class BaseNode