Package org.drools.core.reteoo

Class BetaNode

java.lang.Object

org.drools.core.common.BaseNode

org.drools.core.reteoo.LeftTupleSource

org.drools.core.reteoo.BetaNode

All Implemented Interfaces:

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

Direct Known Subclasses:

AccumulateNode, ExistsNode, JoinNode, NotNode

public abstract class BetaNode
extends LeftTupleSource
implements LeftTupleSinkNode, ObjectSinkNode, RightTupleSink, MemoryFactory

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected BetaConstraints	constraints
protected boolean	indexedUnificationJoin
protected static boolean	isLogTraceEnabled
protected static org.slf4j.Logger	log
protected boolean	objectMemory
protected ObjectSource	rightInput
protected boolean	rightInputIsRiaNode
protected boolean	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

Modifier	Constructor	Description
	BetaNode()
protected	BetaNode(int id, LeftTupleSource leftInput, ObjectSource rightInput, BetaConstraints constraints, BuildContext context)	Constructs a BetaNode using the specified BetaNodeBinder.

Method Summary

Modifier and Type	Method	Description
void	assertObject(InternalFactHandle factHandle, PropagationContext pctx, InternalWorkingMemory wm)
void	byPassModifyToBetaNode(InternalFactHandle factHandle, ModifyPreviousTuples modifyPreviousTuples, PropagationContext context, InternalWorkingMemory workingMemory)
protected int	calculateHashCode()
Memory	createMemory(RuleBaseConfiguration config, InternalWorkingMemory wm)
RightTuple	createRightTuple(InternalFactHandle handle, RightTupleSink sink, PropagationContext context)
void	doAttach(BuildContext context)
void	doDeleteRightTuple(RightTuple rightTuple, InternalWorkingMemory wm, BetaMemory memory)
void	doUpdateRightTuple(RightTuple rightTuple, InternalWorkingMemory wm, BetaMemory memory)
void	dumpMemory(InternalWorkingMemory workingMemory)
boolean	equals(Object object)
static BetaMemory	getBetaMemory(BetaNode node, InternalWorkingMemory wm)
static BetaMemory	getBetaMemoryFromRightInput(BetaNode betaNode, InternalWorkingMemory workingMemory)
BetaNodeFieldConstraint[]	getConstraints()
LeftTuple	getFirstLeftTuple(RightTuple rightTuple, TupleMemory memory, FastIterator it)
LeftTuple	getFirstLeftTuple1(RightTuple rightTuple, TupleMemory memory, FastIterator it)
RightTuple	getFirstRightTuple(Tuple leftTuple, TupleMemory memory, InternalFactHandle factHandle, FastIterator it)
static Tuple	getFirstTuple(TupleMemory memory, FastIterator it)
FastIterator	getLeftIterator(TupleMemory memory)
FastIterator	getLeftIterator1(TupleMemory memory)
LeftTupleSinkNode	getNextLeftTupleSinkNode()	Returns the next node
ObjectSinkNode	getNextObjectSinkNode()	Returns the next node
ObjectTypeNode	getObjectTypeNode()
LeftTupleSinkNode	getPreviousLeftTupleSinkNode()	Returns the previous node
ObjectSinkNode	getPreviousObjectSinkNode()	Returns the previous node
BetaConstraints	getRawConstraints()
BitMask	getRightDeclaredMask()
BitMask	getRightInferredMask()
ObjectSource	getRightInput()
ObjectTypeNode.Id	getRightInputOtnId()
FastIterator	getRightIterator(TupleMemory memory)
FastIterator	getRightIterator(TupleMemory memory, RightTuple rightTuple)
BitMask	getRightNegativeMask()
List<String>	getRules()
LeftTuple	getStartTuple(LeftTuple lt)
protected void	initDeclaredMask(BuildContext context, LeftTupleSource leftInput)
void	initInferredMask()
protected void	initInferredMask(LeftTupleSource leftInput)
boolean	isIndexedUnificationJoin()
boolean	isLeftTupleMemoryEnabled()
boolean	isObjectMemoryEnabled()
boolean	isRightInputIsRiaNode()
boolean	isRightInputPassive()
void	modifyObject(InternalFactHandle factHandle, ModifyPreviousTuples modifyPreviousTuples, PropagationContext context, InternalWorkingMemory wm)
void	networkUpdated(UpdateContext updateContext)	A method that is called for all nodes whose network below them changed, after the change is complete, providing them with an opportunity for state update
void	readExternal(ObjectInput in)
protected void	reorderRightTuple(InternalWorkingMemory wm, RightTuple rightTuple)
protected void	setLeftListenedProperties(Collection<String> leftListenedProperties)
void	setLeftTupleMemoryEnabled(boolean tupleMemoryEnabled)
void	setNextLeftTupleSinkNode(LeftTupleSinkNode next)	Sets the next node
void	setNextObjectSinkNode(ObjectSinkNode next)	Sets the next node
void	setPartitionId(BuildContext context, RuleBasePartitionId partitionId)	Sets the partition this node belongs to
void	setPreviousLeftTupleSinkNode(LeftTupleSinkNode previous)	Sets the previous node
void	setPreviousObjectSinkNode(ObjectSinkNode previous)	Sets the previous node
void	setRightDeclaredMask(BitMask rightDeclaredMask)
void	setRightInput(ObjectSource rightInput)
void	setRightInputOtnId(ObjectTypeNode.Id rightInputOtnId)
String	toString()
ObjectSource	unwrapRightInput()
void	writeExternal(ObjectOutput out)

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

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

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

addAssociation, addAssociation, attach, doRemove, 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.LeftTupleNode

getLeftTupleSource, getObjectCount, getPathIndex, getSinkPropagator, setObjectCount

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

createLeftTuple, createLeftTuple, createLeftTuple, createLeftTuple, createLeftTuple, createPeer, getLeftInferredMask, getLeftInputOtnId, setLeftInputOtnId, setPartitionIdWithSinks

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

getMemoryId

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

getAssociatedRules, getAssociatedRuleSize, getAssociationsSize, getAssociationsSize, getId, getPartitionId, getType, isAssociatedWith

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

setPartitionIdWithSinks

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

modifyRightTuple, retractRightTuple

Field Detail

log

protected static final org.slf4j.Logger log

isLogTraceEnabled

protected static final boolean isLogTraceEnabled

rightInput

protected ObjectSource rightInput

constraints

protected BetaConstraints constraints

objectMemory

protected boolean objectMemory

tupleMemoryEnabled

protected boolean tupleMemoryEnabled

indexedUnificationJoin

protected boolean indexedUnificationJoin

rightInputIsRiaNode

protected boolean rightInputIsRiaNode

Constructor Detail

BetaNode

public BetaNode()

BetaNode

protected BetaNode(int id,
                   LeftTupleSource leftInput,
                   ObjectSource rightInput,
                   BetaConstraints constraints,
                   BuildContext context)

Constructs a BetaNode using the specified BetaNodeBinder.

Parameters:

leftInput - The left input TupleSource.

rightInput - The right input ObjectSource.

Method Detail

initDeclaredMask

protected void initDeclaredMask(BuildContext context,
                                LeftTupleSource leftInput)

Overrides:

initDeclaredMask in class LeftTupleSource

setPartitionId

public void setPartitionId(BuildContext context,
                           RuleBasePartitionId partitionId)

Description copied from class: BaseNode

Sets the partition this node belongs to

Overrides:

setPartitionId in class BaseNode

setLeftListenedProperties

protected void setLeftListenedProperties(Collection<String> leftListenedProperties)

Overrides:

setLeftListenedProperties in class LeftTupleSource

initInferredMask

public void initInferredMask()

initInferredMask

protected void initInferredMask(LeftTupleSource leftInput)

Overrides:

initInferredMask in class LeftTupleSource

unwrapRightInput

public ObjectSource unwrapRightInput()

readExternal

public void readExternal(ObjectInput in)
                  throws IOException,
                         ClassNotFoundException

Specified by:

readExternal in interface Externalizable

Overrides:

readExternal in class LeftTupleSource

Throws:

IOException

ClassNotFoundException

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Specified by:

writeExternal in interface Externalizable

Overrides:

writeExternal in class LeftTupleSource

Throws:

IOException

assertObject

public void assertObject(InternalFactHandle factHandle,
                         PropagationContext pctx,
                         InternalWorkingMemory wm)

Specified by:

assertObject in interface ObjectSink

modifyObject

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

Specified by:

modifyObject in interface ObjectSink

reorderRightTuple

protected void reorderRightTuple(InternalWorkingMemory wm,
                                 RightTuple rightTuple)

doDeleteRightTuple

public void doDeleteRightTuple(RightTuple rightTuple,
                               InternalWorkingMemory wm,
                               BetaMemory memory)

doUpdateRightTuple

public void doUpdateRightTuple(RightTuple rightTuple,
                               InternalWorkingMemory wm,
                               BetaMemory memory)

isRightInputIsRiaNode

public boolean isRightInputIsRiaNode()

isRightInputPassive

public boolean isRightInputPassive()

getRightInput

public ObjectSource getRightInput()

setRightInput

public void setRightInput(ObjectSource rightInput)

getRightIterator

public FastIterator getRightIterator(TupleMemory memory)

getRightIterator

public FastIterator getRightIterator(TupleMemory memory,
                                     RightTuple rightTuple)

getLeftIterator1

public FastIterator getLeftIterator1(TupleMemory memory)

getFirstRightTuple

public RightTuple getFirstRightTuple(Tuple leftTuple,
                                     TupleMemory memory,
                                     InternalFactHandle factHandle,
                                     FastIterator it)

getFirstLeftTuple1

public LeftTuple getFirstLeftTuple1(RightTuple rightTuple,
                                    TupleMemory memory,
                                    FastIterator it)

getLeftIterator

public FastIterator getLeftIterator(TupleMemory memory)

getFirstLeftTuple

public LeftTuple getFirstLeftTuple(RightTuple rightTuple,
                                   TupleMemory memory,
                                   FastIterator it)

getStartTuple

public LeftTuple getStartTuple(LeftTuple lt)

getFirstTuple

public static Tuple getFirstTuple(TupleMemory memory,
                                  FastIterator it)

isIndexedUnificationJoin

public boolean isIndexedUnificationJoin()

getConstraints

public BetaNodeFieldConstraint[] getConstraints()

getRawConstraints

public BetaConstraints getRawConstraints()

networkUpdated

public void networkUpdated(UpdateContext updateContext)

Description copied from class: BaseNode

A method that is called for all nodes whose network below them changed, after the change is complete, providing them with an opportunity for state update

Specified by:

networkUpdated in class BaseNode

getRules

public List<String> getRules()

getObjectTypeNode

public ObjectTypeNode getObjectTypeNode()

Specified by:

getObjectTypeNode in class BaseNode

doAttach

public void doAttach(BuildContext context)

Overrides:

doAttach in class BaseNode

byPassModifyToBetaNode

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

Specified by:

byPassModifyToBetaNode in interface ObjectSink

getBetaMemory

public static BetaMemory getBetaMemory(BetaNode node,
                                       InternalWorkingMemory wm)

isObjectMemoryEnabled

public boolean isObjectMemoryEnabled()

isLeftTupleMemoryEnabled

public boolean isLeftTupleMemoryEnabled()

Specified by:

isLeftTupleMemoryEnabled in interface LeftTupleSink

Specified by:

isLeftTupleMemoryEnabled in class LeftTupleSource

setLeftTupleMemoryEnabled

public void setLeftTupleMemoryEnabled(boolean tupleMemoryEnabled)

Specified by:

setLeftTupleMemoryEnabled in interface LeftTupleSink

createMemory

public Memory createMemory(RuleBaseConfiguration config,
                           InternalWorkingMemory wm)

Specified by:

createMemory in interface MemoryFactory

toString

public String toString()

Overrides:

toString in class BaseNode

dumpMemory

public void dumpMemory(InternalWorkingMemory workingMemory)

calculateHashCode

protected int calculateHashCode()

equals

public boolean equals(Object object)

Overrides:

equals in class Object

getNextLeftTupleSinkNode

public LeftTupleSinkNode getNextLeftTupleSinkNode()

Returns the next node

Specified by:

getNextLeftTupleSinkNode in interface LeftTupleSinkNode

Returns:

The next TupleSinkNode

setNextLeftTupleSinkNode

public void setNextLeftTupleSinkNode(LeftTupleSinkNode next)

Sets the next node

Specified by:

setNextLeftTupleSinkNode in interface LeftTupleSinkNode

Parameters:

next - The next TupleSinkNode

getPreviousLeftTupleSinkNode

public LeftTupleSinkNode getPreviousLeftTupleSinkNode()

Returns the previous node

Specified by:

getPreviousLeftTupleSinkNode in interface LeftTupleSinkNode

Returns:

The previous TupleSinkNode

setPreviousLeftTupleSinkNode

public void setPreviousLeftTupleSinkNode(LeftTupleSinkNode previous)

Sets the previous node

Specified by:

setPreviousLeftTupleSinkNode in interface LeftTupleSinkNode

Parameters:

previous - The previous TupleSinkNode

getNextObjectSinkNode

public ObjectSinkNode getNextObjectSinkNode()

Returns the next node

Specified by:

getNextObjectSinkNode in interface ObjectSinkNode

Returns:

The next ObjectSinkNode

setNextObjectSinkNode

public void setNextObjectSinkNode(ObjectSinkNode next)

Sets the next node

Specified by:

setNextObjectSinkNode in interface ObjectSinkNode

Parameters:

next - The next ObjectSinkNode

getPreviousObjectSinkNode

public ObjectSinkNode getPreviousObjectSinkNode()

Returns the previous node

Specified by:

getPreviousObjectSinkNode in interface ObjectSinkNode

Returns:

The previous ObjectSinkNode

setPreviousObjectSinkNode

public void setPreviousObjectSinkNode(ObjectSinkNode previous)

Sets the previous node

Specified by:

setPreviousObjectSinkNode in interface ObjectSinkNode

Parameters:

previous - The previous ObjectSinkNode

createRightTuple

public RightTuple createRightTuple(InternalFactHandle handle,
                                   RightTupleSink sink,
                                   PropagationContext context)

getBetaMemoryFromRightInput

public static BetaMemory getBetaMemoryFromRightInput(BetaNode betaNode,
                                                     InternalWorkingMemory workingMemory)

getRightDeclaredMask

public BitMask getRightDeclaredMask()

setRightDeclaredMask

public void setRightDeclaredMask(BitMask rightDeclaredMask)

getRightInferredMask

public BitMask getRightInferredMask()

getRightNegativeMask

public BitMask getRightNegativeMask()

getRightInputOtnId

public ObjectTypeNode.Id getRightInputOtnId()

Specified by:

getRightInputOtnId in interface RightTupleSink

setRightInputOtnId

public void setRightInputOtnId(ObjectTypeNode.Id rightInputOtnId)