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:

Serializable, NetworkNode, MemoryFactory, 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

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	BetaNode.RightTupleSinkAdapter	Used with the updateSink method, so that the parent ObjectSource can update the TupleSink

Field Summary

Fields

Modifier and Type	Field	Description
protected BetaConstraints	constraints
protected boolean	indexedUnificationJoin
protected static final boolean	isLogTraceEnabled
protected static final 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

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, ReteEvaluator reteEvaluator)
void	byPassModifyToBetaNode(InternalFactHandle factHandle, ModifyPreviousTuples modifyPreviousTuples, PropagationContext context, ReteEvaluator reteEvaluator)
protected int	calculateHashCode()
Memory	createMemory(RuleBaseConfiguration config, ReteEvaluator reteEvaluator)
RightTuple	createRightTuple(InternalFactHandle handle, RightTupleSink sink, PropagationContext context)
void	doAttach(BuildContext context)
void	doDeleteRightTuple(TupleImpl rightTuple, ReteEvaluator reteEvaluator, BetaMemory memory)
void	doUpdateRightTuple(TupleImpl rightTuple, ReteEvaluator reteEvaluator, BetaMemory memory)
boolean	equals(Object object)
static BetaMemory	getBetaMemory(NetworkNode node, ReteEvaluator reteEvaluator)
static BetaMemory	getBetaMemoryFromRightInput(BetaNode betaNode, ReteEvaluator reteEvaluator)
BetaConstraint[]	getConstraints()
TupleImpl	getFirstLeftTuple(TupleImpl rightTuple, TupleMemory memory, FastIterator<TupleImpl> it)
RightTuple	getFirstRightTuple(TupleImpl leftTuple, TupleMemory memory, FastIterator<TupleImpl> it)
static TupleImpl	getFirstTuple(TupleMemory memory, FastIterator<TupleImpl> it)
FastIterator<TupleImpl>	getLeftIterator(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()
org.drools.util.bitmask.BitMask	getRightDeclaredMask()
org.drools.util.bitmask.BitMask	getRightInferredMask()
ObjectSource	getRightInput()
ObjectTypeNodeId	getRightInputOtnId()
FastIterator<TupleImpl>	getRightIterator(TupleMemory memory)
org.drools.util.bitmask.BitMask	getRightNegativeMask()
List<String>	getRules()
TupleImpl	getStartTuple(TupleImpl 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, ReteEvaluator reteEvaluator)
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
protected void	reorderRightTuple(ReteEvaluator reteEvaluator, TupleImpl rightTuple)
protected void	setLeftListenedProperties(Collection<String> leftListenedProperties)
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	setRightInput(ObjectSource rightInput)
void	setRightInputOtnId(ObjectTypeNodeId rightInputOtnId)
String	toString()
ObjectSource	unwrapRightInput()

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

addTupleSink, addTupleSink, addTupleSink, getFirstLeftTupleSinkIgnoreRemoving, 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

addAssociatedTerminal, addAssociation, addAssociation, attach, doRemove, getAssociatedRules, getAssociatedTerminalsSize, getAssociationsSize, getId, getMemoryId, getPartitionId, getSinks, hasAssociatedTerminal, hashCode, initMemoryId, isAssociatedWith, isStreamMode, remove, removeAssociatedTerminal, removeAssociation, setId, 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

getLeftInferredMask, getLeftInputOtnId, setLeftInputOtnId, setPartitionIdWithSinks

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

getMemoryId

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

addAssociatedTerminal, getAssociatedRules, getAssociatedTerminalsSize, getId, getPartitionId, getSinks, getType, hasAssociatedTerminal, isAssociatedWith, removeAssociatedTerminal

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

setPartitionIdWithSinks

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

modifyRightTuple, retractRightTuple

Field Details

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 Details

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 Details

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()

assertObject

public void assertObject(InternalFactHandle factHandle,
 PropagationContext pctx,
 ReteEvaluator reteEvaluator)

Specified by:

assertObject in interface ObjectSink

modifyObject

public void modifyObject(InternalFactHandle factHandle,
 ModifyPreviousTuples modifyPreviousTuples,
 PropagationContext context,
 ReteEvaluator reteEvaluator)

Specified by:

modifyObject in interface ObjectSink

reorderRightTuple

protected void reorderRightTuple(ReteEvaluator reteEvaluator,
 TupleImpl rightTuple)

doDeleteRightTuple

public void doDeleteRightTuple(TupleImpl rightTuple,
 ReteEvaluator reteEvaluator,
 BetaMemory memory)

doUpdateRightTuple

public void doUpdateRightTuple(TupleImpl rightTuple,
 ReteEvaluator reteEvaluator,
 BetaMemory memory)

isRightInputIsRiaNode

public boolean isRightInputIsRiaNode()

Specified by:

isRightInputIsRiaNode in interface NetworkNode

isRightInputPassive

public boolean isRightInputPassive()

getRightInput

public ObjectSource getRightInput()

setRightInput

public void setRightInput(ObjectSource rightInput)

getRightIterator

public FastIterator<TupleImpl> getRightIterator(TupleMemory memory)

getFirstRightTuple

public RightTuple getFirstRightTuple(TupleImpl leftTuple,
 TupleMemory memory,
 FastIterator<TupleImpl> it)

getLeftIterator

public FastIterator<TupleImpl> getLeftIterator(TupleMemory memory)

getFirstLeftTuple

public TupleImpl getFirstLeftTuple(TupleImpl rightTuple,
 TupleMemory memory,
 FastIterator<TupleImpl> it)

getStartTuple

public TupleImpl getStartTuple(TupleImpl lt)

getFirstTuple

public static TupleImpl getFirstTuple(TupleMemory memory,
 FastIterator<TupleImpl> it)

isIndexedUnificationJoin

public boolean isIndexedUnificationJoin()

getConstraints

public BetaConstraint[] 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,
 ReteEvaluator reteEvaluator)

Specified by:

byPassModifyToBetaNode in interface ObjectSink

getBetaMemory

public static BetaMemory getBetaMemory(NetworkNode node,
 ReteEvaluator reteEvaluator)

isObjectMemoryEnabled

public boolean isObjectMemoryEnabled()

isLeftTupleMemoryEnabled

public boolean isLeftTupleMemoryEnabled()

Specified by:

isLeftTupleMemoryEnabled in interface LeftTupleSink

Specified by:

isLeftTupleMemoryEnabled in class LeftTupleSource

createMemory

public Memory createMemory(RuleBaseConfiguration config,
 ReteEvaluator reteEvaluator)

Specified by:

createMemory in interface MemoryFactory

toString

public String toString()

Overrides:

toString in class BaseNode

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,
 ReteEvaluator reteEvaluator)

getRightDeclaredMask

public org.drools.util.bitmask.BitMask getRightDeclaredMask()

getRightInferredMask

public org.drools.util.bitmask.BitMask getRightInferredMask()

getRightNegativeMask

public org.drools.util.bitmask.BitMask getRightNegativeMask()

getRightInputOtnId

public ObjectTypeNodeId getRightInputOtnId()

Specified by:

getRightInputOtnId in interface RightTupleSink

setRightInputOtnId

public void setRightInputOtnId(ObjectTypeNodeId rightInputOtnId)