Package org.drools.core.reteoo

Class TupleImpl

java.lang.Object

org.drools.core.reteoo.TupleImpl

All Implemented Interfaces:

Serializable, BaseTuple, Tuple<TupleImpl>, DoubleLinkedEntry<TupleImpl>, SingleLinkedEntry<TupleImpl>

Direct Known Subclasses:

LeftTuple, RightTuple

public abstract class TupleImpl
extends Object
implements Tuple<TupleImpl>

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected TupleImpl	firstChild
protected InternalFactHandle	handle
protected TupleImpl	handleNext
protected TupleImpl	handlePrevious
protected TupleImpl	lastChild
protected TupleList	memory
protected TupleImpl	stagedNext
protected TupleImpl	stagedPrevious

Fields inherited from interface org.drools.core.reteoo.Tuple

DELETE, INSERT, NONE, NORMALIZED_DELETE, UPDATE

Constructor Summary

Constructors

Constructor	Description
TupleImpl()
TupleImpl(InternalFactHandle factHandle, Sink sink, boolean leftTupleMemoryEnabled)
TupleImpl(InternalFactHandle factHandle, TupleImpl leftTuple, Sink sink)
TupleImpl(TupleImpl leftTuple, Sink sink, PropagationContext pctx, boolean leftTupleMemoryEnabled)
TupleImpl(TupleImpl leftTuple, TupleImpl rightTuple, Sink sink)
TupleImpl(TupleImpl leftTuple, TupleImpl rightTuple, TupleImpl currentLeftChild, TupleImpl currentRightChild, Sink sink, boolean leftTupleMemoryEnabled)

Method Summary

Modifier and Type	Method	Description
void	clear()
void	clearBlocker()
void	clearStaged()
void	doUnlinkFromRightParent()
boolean	equals(Object object)
FactHandle	get(int index)
FactHandle	get(Declaration declaration)
Collection<Object>	getAccumulatedObjects()
LeftTuple	getBlockedNext()
LeftTuple	getBlockedPrevious()
RightTuple	getBlocker()
Object	getContextObject()
InternalFactHandle	getFactHandle()
InternalFactHandle	getFactHandleForEvaluation()
TupleImpl	getFirstChild()
TupleImpl	getHandleNext()
TupleImpl	getHandlePrevious()
int	getIndex()
abstract ObjectTypeNodeId	getInputOtnId()
TupleImpl	getLastChild()
TupleImpl	getLeftParent()
TupleList	getMemory()
TupleImpl	getNext()
TupleImpl	getNextParentWithHandle()
Object	getObject(int index)
Object	getObject(Declaration declaration)
InternalFactHandle	getOriginalFactHandle()	This method is used by the consequence invoker (generated via asm by the ConsequenceGenerator) to always pass to the consequence the original fact handle even in case when it has been cloned and linked by a WindowNode
TupleImpl	getParent()
TupleImpl	getPeer()
TupleImpl	getPrevious()	Returns the previous node
PropagationContext	getPropagationContext()
TupleImpl	getRightParent()
TupleImpl	getRightParentNext()
TupleImpl	getRightParentPrevious()
TupleImpl	getRootTuple()
Sink	getSink()
TupleImpl	getStagedNext()
TupleImpl	getStagedPrevious()
short	getStagedType()
short	getStagedTypeForQueries()
TupleImpl	getSubTuple(int elements)	Returns the ReteTuple that contains the "elements" first elements in this tuple.
TupleImpl	getTuple(int index)
int	hashCode()
void	initPeer(TupleImpl original, Sink sink)
boolean	isExpired()
boolean	isFullMatch()
abstract boolean	isLeftTuple()
boolean	isStagedOnRight()
boolean	isSubnetworkTuple()
abstract void	reAdd()
void	reAddLeft()
void	reAddRight()
void	setBlockedNext(LeftTuple blockerNext)
void	setBlockedPrevious(LeftTuple blockerPrevious)
void	setBlocker(RightTuple blocker)
final void	setContextObject(Object contextObject)
void	setExpired()
void	setFactHandle(FactHandle handle)
void	setFirstChild(TupleImpl firstChild)
void	setHandleNext(TupleImpl handleNext)
void	setHandlePrevious(TupleImpl handlePrevious)
void	setLastChild(TupleImpl lastChild)
void	setLeftParent(TupleImpl leftParent)
void	setLeftTupleSink(LeftTupleSink sink)
void	setMemory(TupleList memory)
void	setNext(TupleImpl next)
void	setPeer(TupleImpl peer)
void	setPrevious(TupleImpl previous)	Sets the previous node
void	setPropagationContext(PropagationContext propagationContext)
void	setRightParent(TupleImpl rightParent)
void	setRightParentNext(TupleImpl rightParentRight)
void	setRightParentPrevious(TupleImpl rightParentLeft)
protected void	setSink(Sink sink)
void	setStagedNext(TupleImpl stageNext)
void	setStagedPrevious(TupleImpl stagedPrevious)
void	setStagedType(short stagedType)
void	setStagedTypeForQueries(short stagedTypeForQueries)
int	size()
TupleImpl	skipEmptyHandles()
protected String	toExternalString()
FactHandle[]	toFactHandles()
Object[]	toObjects(boolean reverse)
String	toString()
void	unlinkFromLeftParent()
void	unlinkFromRightParent()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

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

findMostRecentPropagationContext, isDeleted, toObjects

Field Details

handle

protected InternalFactHandle handle

stagedNext

protected TupleImpl stagedNext

stagedPrevious

protected TupleImpl stagedPrevious

handlePrevious

protected TupleImpl handlePrevious

handleNext

protected TupleImpl handleNext

memory

protected TupleList memory

firstChild

protected TupleImpl firstChild

lastChild

protected TupleImpl lastChild

Constructor Details

TupleImpl

public TupleImpl()

TupleImpl

public TupleImpl(InternalFactHandle factHandle,
 Sink sink,
 boolean leftTupleMemoryEnabled)

TupleImpl

public TupleImpl(InternalFactHandle factHandle,
 TupleImpl leftTuple,
 Sink sink)

TupleImpl

public TupleImpl(TupleImpl leftTuple,
 Sink sink,
 PropagationContext pctx,
 boolean leftTupleMemoryEnabled)

TupleImpl

public TupleImpl(TupleImpl leftTuple,
 TupleImpl rightTuple,
 Sink sink)

TupleImpl

public TupleImpl(TupleImpl leftTuple,
 TupleImpl rightTuple,
 TupleImpl currentLeftChild,
 TupleImpl currentRightChild,
 Sink sink,
 boolean leftTupleMemoryEnabled)

Method Details

getObject

public Object getObject(Declaration declaration)

Specified by:

getObject in interface BaseTuple

getContextObject

public Object getContextObject()

Specified by:

getContextObject in interface BaseTuple

Specified by:

getContextObject in interface Tuple<TupleImpl>

setContextObject

public final void setContextObject(Object contextObject)

Specified by:

setContextObject in interface Tuple<TupleImpl>

getStagedType

public short getStagedType()

Specified by:

getStagedType in interface Tuple<TupleImpl>

setStagedType

public void setStagedType(short stagedType)

Specified by:

setStagedType in interface Tuple<TupleImpl>

getFirstChild

public TupleImpl getFirstChild()

Specified by:

getFirstChild in interface Tuple<TupleImpl>

setFirstChild

public void setFirstChild(TupleImpl firstChild)

Specified by:

setFirstChild in interface Tuple<TupleImpl>

getLastChild

public TupleImpl getLastChild()

Specified by:

getLastChild in interface Tuple<TupleImpl>

setLastChild

public void setLastChild(TupleImpl lastChild)

Specified by:

setLastChild in interface Tuple<TupleImpl>

getRightParent

public TupleImpl getRightParent()

setRightParent

public void setRightParent(TupleImpl rightParent)

getRightParentPrevious

public TupleImpl getRightParentPrevious()

setRightParentPrevious

public void setRightParentPrevious(TupleImpl rightParentLeft)

getRightParentNext

public TupleImpl getRightParentNext()

setRightParentNext

public void setRightParentNext(TupleImpl rightParentRight)

get

public FactHandle get(int index)

Specified by:

get in interface BaseTuple

toFactHandles

public FactHandle[] toFactHandles()

Specified by:

toFactHandles in interface BaseTuple

toObjects

public Object[] toObjects(boolean reverse)

Specified by:

toObjects in interface BaseTuple

clearBlocker

public void clearBlocker()

setBlocker

public void setBlocker(RightTuple blocker)

getBlocker

public RightTuple getBlocker()

getBlockedPrevious

public LeftTuple getBlockedPrevious()

setBlockedPrevious

public void setBlockedPrevious(LeftTuple blockerPrevious)

getBlockedNext

public LeftTuple getBlockedNext()

setBlockedNext

public void setBlockedNext(LeftTuple blockerNext)

toString

public String toString()

Overrides:

toString in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object object)

Overrides:

equals in class Object

size

public int size()

Specified by:

size in interface BaseTuple

getStagedNext

public TupleImpl getStagedNext()

Specified by:

getStagedNext in interface Tuple<TupleImpl>

getStagedPrevious

public TupleImpl getStagedPrevious()

Specified by:

getStagedPrevious in interface Tuple<TupleImpl>

clearStaged

public void clearStaged()

Specified by:

clearStaged in interface Tuple<TupleImpl>

getPeer

public TupleImpl getPeer()

setPeer

public void setPeer(TupleImpl peer)

getSubTuple

public TupleImpl getSubTuple(int elements)

Description copied from interface: Tuple

Returns the ReteTuple that contains the "elements" first elements in this tuple.

Use carefully as no cloning is made during this process.

This method is used by TupleStartEqualsConstraint when joining a subnetwork tuple into the main network tuple;

Specified by:

getSubTuple in interface Tuple<TupleImpl>

Parameters:

elements - the number of elements to return, starting from the begining of the tuple

Returns:

a ReteTuple containing the "elements" first elements of this tuple or null if "elements" is greater than size;

getParent

public TupleImpl getParent()

Specified by:

getParent in interface BaseTuple

Specified by:

getParent in interface Tuple<TupleImpl>

toExternalString

protected String toExternalString()

clear

public void clear()

Specified by:

clear in interface DoubleLinkedEntry<TupleImpl>

Specified by:

clear in interface Tuple<TupleImpl>

getFactHandle

public InternalFactHandle getFactHandle()

Specified by:

getFactHandle in interface BaseTuple

getOriginalFactHandle

public InternalFactHandle getOriginalFactHandle()

This method is used by the consequence invoker (generated via asm by the ConsequenceGenerator) to always pass to the consequence the original fact handle even in case when it has been cloned and linked by a WindowNode

Specified by:

getOriginalFactHandle in interface Tuple<TupleImpl>

setFactHandle

public void setFactHandle(FactHandle handle)

Specified by:

setFactHandle in interface Tuple<TupleImpl>

getPropagationContext

public PropagationContext getPropagationContext()

Specified by:

getPropagationContext in interface Tuple<TupleImpl>

setPropagationContext

public void setPropagationContext(PropagationContext propagationContext)

Specified by:

setPropagationContext in interface Tuple<TupleImpl>

setStagedNext

public void setStagedNext(TupleImpl stageNext)

Specified by:

setStagedNext in interface Tuple<TupleImpl>

setStagedPrevious

public void setStagedPrevious(TupleImpl stagedPrevious)

Specified by:

setStagedPrevious in interface Tuple<TupleImpl>

getPrevious

public TupleImpl getPrevious()

Description copied from interface: DoubleLinkedEntry

Returns the previous node

Specified by:

getPrevious in interface DoubleLinkedEntry<TupleImpl>

Returns:

The previous LinkedListNode

setPrevious

public void setPrevious(TupleImpl previous)

Description copied from interface: DoubleLinkedEntry

Sets the previous node

Specified by:

setPrevious in interface DoubleLinkedEntry<TupleImpl>

Parameters:

previous - The previous LinkedListNode

getNext

public TupleImpl getNext()

Specified by:

getNext in interface SingleLinkedEntry<TupleImpl>

setNext

public void setNext(TupleImpl next)

Specified by:

setNext in interface SingleLinkedEntry<TupleImpl>

get

public FactHandle get(Declaration declaration)

Specified by:

get in interface BaseTuple

getTuple

public TupleImpl getTuple(int index)

Specified by:

getTuple in interface BaseTuple

getRootTuple

public TupleImpl getRootTuple()

Specified by:

getRootTuple in interface Tuple<TupleImpl>

skipEmptyHandles

public TupleImpl skipEmptyHandles()

Specified by:

skipEmptyHandles in interface BaseTuple

Specified by:

skipEmptyHandles in interface Tuple<TupleImpl>

getLeftParent

public TupleImpl getLeftParent()

setLeftParent

public void setLeftParent(TupleImpl leftParent)

getNextParentWithHandle

public TupleImpl getNextParentWithHandle()

reAdd

public abstract void reAdd()

Specified by:

reAdd in interface Tuple<TupleImpl>

reAddLeft

public void reAddLeft()

reAddRight

public void reAddRight()

unlinkFromLeftParent

public void unlinkFromLeftParent()

Specified by:

unlinkFromLeftParent in interface Tuple<TupleImpl>

unlinkFromRightParent

public void unlinkFromRightParent()

Specified by:

unlinkFromRightParent in interface Tuple<TupleImpl>

doUnlinkFromRightParent

public void doUnlinkFromRightParent()

getIndex

public int getIndex()

Specified by:

getIndex in interface BaseTuple

setLeftTupleSink

public void setLeftTupleSink(LeftTupleSink sink)

getHandlePrevious

public TupleImpl getHandlePrevious()

Specified by:

getHandlePrevious in interface Tuple<TupleImpl>

setHandlePrevious

public void setHandlePrevious(TupleImpl handlePrevious)

Specified by:

setHandlePrevious in interface Tuple<TupleImpl>

getHandleNext

public TupleImpl getHandleNext()

Specified by:

getHandleNext in interface Tuple<TupleImpl>

setHandleNext

public void setHandleNext(TupleImpl handleNext)

Specified by:

setHandleNext in interface Tuple<TupleImpl>

isExpired

public boolean isExpired()

Specified by:

isExpired in interface Tuple<TupleImpl>

setExpired

public void setExpired()

getSink

public Sink getSink()

Specified by:

getSink in interface Tuple<TupleImpl>

setSink

protected void setSink(Sink sink)

getMemory

public TupleList getMemory()

Specified by:

getMemory in interface Tuple<TupleImpl>

setMemory

public void setMemory(TupleList memory)

Specified by:

setMemory in interface Tuple<TupleImpl>

initPeer

public void initPeer(TupleImpl original,
 Sink sink)

getObject

public Object getObject(int index)

Specified by:

getObject in interface BaseTuple

getInputOtnId

public abstract ObjectTypeNodeId getInputOtnId()

Specified by:

getInputOtnId in interface Tuple<TupleImpl>

getFactHandleForEvaluation

public InternalFactHandle getFactHandleForEvaluation()

getStagedTypeForQueries

public short getStagedTypeForQueries()

setStagedTypeForQueries

public void setStagedTypeForQueries(short stagedTypeForQueries)

isStagedOnRight

public boolean isStagedOnRight()

getAccumulatedObjects

public Collection<Object> getAccumulatedObjects()

isLeftTuple

public abstract boolean isLeftTuple()

isFullMatch

public boolean isFullMatch()

isSubnetworkTuple

public boolean isSubnetworkTuple()