org.drools.reteoo.nodes
Class ReteAccumulateNode

java.lang.Object
  org.drools.core.common.BaseNode
      org.drools.core.reteoo.LeftTupleSource
          org.drools.core.reteoo.BetaNode
              org.drools.core.reteoo.AccumulateNode
                  org.drools.reteoo.nodes.ReteAccumulateNode

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 ReteAccumulateNode
extends org.drools.core.reteoo.AccumulateNode

See Also:

Serialized Form

Nested Class Summary

static class

ReteAccumulateNode.EvaluateResultConstraints

Nested classes/interfaces inherited from class org.drools.core.reteoo.AccumulateNode

org.drools.core.reteoo.AccumulateNode.AccumulateContext, org.drools.core.reteoo.AccumulateNode.AccumulateMemory, org.drools.core.reteoo.AccumulateNode.ActivitySource

Field Summary

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

accumulate, resultBinder, resultConstraints, unwrapRightObject

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

ReteAccumulateNode()

ReteAccumulateNode(int id, org.drools.core.reteoo.LeftTupleSource leftInput, org.drools.core.reteoo.ObjectSource rightInput, org.drools.core.spi.AlphaNodeFieldConstraint[] resultConstraints, org.drools.core.common.BetaConstraints sourceBinder, org.drools.core.common.BetaConstraints resultBinder, org.drools.core.rule.Accumulate accumulate, boolean unwrapRightObject, 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	doRemove(org.drools.core.reteoo.RuleRemovalContext context, org.drools.core.reteoo.ReteooBuilder builder, org.drools.core.common.InternalWorkingMemory[] workingMemories)
void	evaluateResultConstraints(org.drools.core.reteoo.AccumulateNode.ActivitySource source, org.drools.core.reteoo.LeftTuple leftTuple, org.drools.core.spi.PropagationContext context, org.drools.core.common.InternalWorkingMemory workingMemory, org.drools.core.reteoo.AccumulateNode.AccumulateMemory memory, org.drools.core.reteoo.AccumulateNode.AccumulateContext accctx, boolean useLeftMemory) Evaluate result constraints and propagate assert in case they are true
org.drools.core.reteoo.LeftTuple	getFirstMatch(org.drools.core.reteoo.LeftTuple leftTuple, org.drools.core.reteoo.AccumulateNode.AccumulateContext accctx, boolean isUpdatingSink) Skips the propagated tuple handles and return the first handle in the list that correspond to a match
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)
void	retractRightTuple(org.drools.core.reteoo.RightTuple rightTuple, org.drools.core.spi.PropagationContext pctx, org.drools.core.common.InternalWorkingMemory workingMemory)
protected org.drools.core.reteoo.LeftTuple[]	splitList(org.drools.core.reteoo.LeftTuple parent, org.drools.core.reteoo.AccumulateNode.AccumulateContext accctx, boolean isUpdatingSink)
void	updateSink(org.drools.core.reteoo.LeftTupleSink sink, org.drools.core.spi.PropagationContext context, org.drools.core.common.InternalWorkingMemory workingMemory)

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

createLeftTuple, createLeftTuple, createLeftTuple, createLeftTuple, createLeftTuple, createMemory, createPeer, createResultFactHandle, doRemove, equals, getAccumulate, getResultBinder, getResultConstraints, getType, hashCode, isUnwrapRightObject, readExternal, writeExternal

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

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

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, 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

ReteAccumulateNode

public ReteAccumulateNode()

ReteAccumulateNode

public ReteAccumulateNode(int id,
                          org.drools.core.reteoo.LeftTupleSource leftInput,
                          org.drools.core.reteoo.ObjectSource rightInput,
                          org.drools.core.spi.AlphaNodeFieldConstraint[] resultConstraints,
                          org.drools.core.common.BetaConstraints sourceBinder,
                          org.drools.core.common.BetaConstraints resultBinder,
                          org.drools.core.rule.Accumulate accumulate,
                          boolean unwrapRightObject,
                          org.drools.core.reteoo.builder.BuildContext context)

Method Detail

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.AccumulateNode

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

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.AccumulateNode

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.BetaNode

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.AccumulateNode

retractLeftTuple

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

Specified by:

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

Overrides:

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

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.AccumulateNode

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.AccumulateNode

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.AccumulateNode

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.AccumulateNode

evaluateResultConstraints

public void evaluateResultConstraints(org.drools.core.reteoo.AccumulateNode.ActivitySource source,
                                      org.drools.core.reteoo.LeftTuple leftTuple,
                                      org.drools.core.spi.PropagationContext context,
                                      org.drools.core.common.InternalWorkingMemory workingMemory,
                                      org.drools.core.reteoo.AccumulateNode.AccumulateMemory memory,
                                      org.drools.core.reteoo.AccumulateNode.AccumulateContext accctx,
                                      boolean useLeftMemory)

Evaluate result constraints and propagate assert in case they are true

updateSink

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

Overrides:

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

splitList

protected org.drools.core.reteoo.LeftTuple[] splitList(org.drools.core.reteoo.LeftTuple parent,
                                                       org.drools.core.reteoo.AccumulateNode.AccumulateContext accctx,
                                                       boolean isUpdatingSink)

getFirstMatch

public org.drools.core.reteoo.LeftTuple getFirstMatch(org.drools.core.reteoo.LeftTuple leftTuple,
                                                      org.drools.core.reteoo.AccumulateNode.AccumulateContext accctx,
                                                      boolean isUpdatingSink)

Skips the propagated tuple handles and return the first handle in the list that correspond to a match

Parameters:

leftTuple -

accctx -

Returns: