org.drools.core.reteoo

Class AccumulateNode

java.lang.Object

org.drools.core.common.BaseNode

org.drools.core.reteoo.LeftTupleSource

org.drools.core.reteoo.BetaNode

org.drools.core.reteoo.AccumulateNode

All Implemented Interfaces:

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

public class AccumulateNode
extends BetaNode

AccumulateNode A beta node capable of doing accumulate logic. Created: 04/06/2006

Version:

$Id$

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	AccumulateNode.AccumulateContext
static class	AccumulateNode.AccumulateContextEntry
static class	AccumulateNode.AccumulateMemory
static interface	AccumulateNode.BaseAccumulation
static class	AccumulateNode.GroupByContext
static class	AccumulateNode.MultiAccumulateMemory
static class	AccumulateNode.SingleAccumulateMemory

Field Summary

Fields

Modifier and Type	Field and Description
protected Accumulate	accumulate
protected BetaConstraints	resultBinder
protected AlphaNodeFieldConstraint[]	resultConstraints
protected boolean	unwrapRightObject

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

leftDeclaredMask, leftInferredMask, leftInput, leftNegativeMask, sink

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

associations, hashcode, id, memoryId, partitionId, partitionsEnabled

Constructor Summary

Constructors

Constructor and Description
AccumulateNode()
AccumulateNode(int id, LeftTupleSource leftInput, ObjectSource rightInput, AlphaNodeFieldConstraint[] resultConstraints, BetaConstraints sourceBinder, BetaConstraints resultBinder, Accumulate accumulate, boolean unwrapRightObject, BuildContext context)

Method Summary

Modifier and Type	Method and Description
protected int	calculateHashCode()
LeftTuple	createLeftTuple(InternalFactHandle factHandle, boolean leftTupleMemoryEnabled)
LeftTuple	createLeftTuple(InternalFactHandle factHandle, LeftTuple leftTuple, Sink sink)
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)
Memory	createMemory(RuleBaseConfiguration config, InternalWorkingMemory wm) Creates a BetaMemory for the BetaNode's memory.
LeftTuple	createPeer(LeftTuple original)
InternalFactHandle	createResultFactHandle(PropagationContext context, InternalWorkingMemory workingMemory, LeftTuple leftTuple, Object result)
void	doAttach(BuildContext context)
boolean	doRemove(RuleRemovalContext context, ReteooBuilder builder) Removes the node from the network.
boolean	equals(Object object)
Accumulate	getAccumulate()
protected ObjectType	getObjectTypeForPropertyReactivity(LeftInputAdapterNode leftInput, Pattern pattern)
BetaConstraints	getResultBinder()
AlphaNodeFieldConstraint[]	getResultConstraints()
short	getType()
boolean	isUnwrapRightObject()
void	modifyRightTuple(RightTuple rightTuple, PropagationContext context, InternalWorkingMemory workingMemory)
void	readExternal(ObjectInput in)
void	retractRightTuple(RightTuple rightTuple, PropagationContext pctx, InternalWorkingMemory workingMemory)
void	writeExternal(ObjectOutput out)

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

assertObject, byPassModifyToBetaNode, createRightTuple, doDeleteRightTuple, doUpdateRightTuple, dumpMemory, getBetaMemory, getBetaMemoryFromRightInput, getConstraints, getFirstLeftTuple, getFirstRightTuple, getFirstTuple, getLeftIterator, getNextLeftTupleSinkNode, getNextObjectSinkNode, getObjectTypeNode, getPreviousLeftTupleSinkNode, getPreviousObjectSinkNode, getRawConstraints, getRightDeclaredMask, getRightInferredMask, getRightInput, getRightInputOtnId, getRightIterator, getRightIterator, getRightNegativeMask, getRules, initDeclaredMask, initInferredMask, initInferredMask, isIndexedUnificationJoin, isLeftTupleMemoryEnabled, isObjectMemoryEnabled, isRightInputIsRiaNode, isRightInputPassive, modifyObject, networkUpdated, setLeftListenedProperties, setLeftTupleMemoryEnabled, setNextLeftTupleSinkNode, setNextObjectSinkNode, setPartitionId, setPreviousLeftTupleSinkNode, setPreviousObjectSinkNode, setRightDeclaredMask, setRightInput, setRightInputOtnId, toString, unwrapRightInput

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

addTupleSink, addTupleSink, addTupleSink, getLeftDeclaredMask, getLeftInferredMask, getLeftInputOtnId, getLeftInputPattern, getLeftNegativeMask, getLeftTupleSource, getObjectCount, getObjectType, getPathIndex, getSinkPropagator, initMasks, isInUse, removeTupleSink, setLeftInferredMask, setLeftInputOtnId, setLeftTupleSource, setNodeConstraintsPropertyReactiveMask, setObjectCount, setPartitionIdWithSinks, setSourcePartitionId, setSourcePartitionId

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

addAssociation, addAssociation, attach, getAssociatedRules, getAssociatedRuleSize, getAssociationsSize, getAssociationsSize, getId, getMemoryId, getPartitionId, getSinks, hashCode, initMemoryId, isAssociatedWith, isStreamMode, remove, removeAssociation, setId, setPartitionsEnabled, 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, setPartitionIdWithSinks

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

getLeftTupleSource, getObjectCount, getPathIndex, getSinkPropagator, setObjectCount

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

setPartitionIdWithSinks

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

getAssociatedRuleSize, getAssociationsSize, getAssociationsSize, getId, getPartitionId, isAssociatedWith

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

getMemoryId

Field Detail

unwrapRightObject

protected boolean unwrapRightObject

accumulate

protected Accumulate accumulate

resultConstraints

protected AlphaNodeFieldConstraint[] resultConstraints

resultBinder

protected BetaConstraints resultBinder

Constructor Detail

AccumulateNode

public AccumulateNode()

AccumulateNode

public AccumulateNode(int id,
                      LeftTupleSource leftInput,
                      ObjectSource rightInput,
                      AlphaNodeFieldConstraint[] resultConstraints,
                      BetaConstraints sourceBinder,
                      BetaConstraints resultBinder,
                      Accumulate accumulate,
                      boolean unwrapRightObject,
                      BuildContext context)

Method Detail

getObjectTypeForPropertyReactivity

protected ObjectType getObjectTypeForPropertyReactivity(LeftInputAdapterNode leftInput,
                                                        Pattern pattern)

Overrides:

getObjectTypeForPropertyReactivity in class LeftTupleSource

readExternal

public void readExternal(ObjectInput in)
                  throws IOException,
                         ClassNotFoundException

Specified by:

readExternal in interface Externalizable

Overrides:

readExternal in class BetaNode

Throws:

IOException

ClassNotFoundException

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Specified by:

writeExternal in interface Externalizable

Overrides:

writeExternal in class BetaNode

Throws:

IOException

getType

public short getType()

Specified by:

getType in interface NetworkNode

Specified by:

getType in class LeftTupleSource

getAccumulate

public Accumulate getAccumulate()

getResultConstraints

public AlphaNodeFieldConstraint[] getResultConstraints()

getResultBinder

public BetaConstraints getResultBinder()

isUnwrapRightObject

public boolean isUnwrapRightObject()

createResultFactHandle

public InternalFactHandle createResultFactHandle(PropagationContext context,
                                                 InternalWorkingMemory workingMemory,
                                                 LeftTuple leftTuple,
                                                 Object result)

doAttach

public void doAttach(BuildContext context)

Overrides:

doAttach in class BetaNode

calculateHashCode

protected int calculateHashCode()

Overrides:

calculateHashCode in class BetaNode

equals

public boolean equals(Object object)

Overrides:

equals in class BetaNode

createMemory

public Memory createMemory(RuleBaseConfiguration config,
                           InternalWorkingMemory wm)

Creates a BetaMemory for the BetaNode's memory.

Specified by:

createMemory in interface MemoryFactory

Overrides:

createMemory in class BetaNode

createLeftTuple

public LeftTuple createLeftTuple(InternalFactHandle factHandle,
                                 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)

createPeer

public LeftTuple createPeer(LeftTuple original)

Specified by:

createPeer in interface LeftTupleSink

Specified by:

createPeer in class LeftTupleSource

retractRightTuple

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

modifyRightTuple

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

doRemove

public boolean doRemove(RuleRemovalContext context,
                        ReteooBuilder builder)

Description copied from class: BaseNode

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

Specified by:

doRemove in class BaseNode