Package org.drools.core.reteoo

Class BaseTuple

java.lang.Object

org.drools.core.reteoo.BaseTuple

All Implemented Interfaces:

Serializable, Tuple, Entry<Tuple>

Direct Known Subclasses:

BaseLeftTuple, RightTupleImpl

public abstract class BaseTuple
extends Object
implements Tuple

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected InternalFactHandle	handle
protected Tuple	handleNext
protected Tuple	handlePrevious
protected Sink	sink
protected Tuple	stagedNext
protected Tuple	stagedPrevious

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

DELETE, INSERT, NONE, NORMALIZED_DELETE, UPDATE

Constructor Summary

Constructors

Constructor	Description
BaseTuple()

Method Summary

Modifier and Type	Method	Description
void	clear()
void	clearStaged()
void	decreaseActivationCountForEvents()
InternalFactHandle	get(Declaration declaration)	Returns the FactHandle for the given Declaration, which in turn specifcy the Pattern that they depend on.
Object	getContextObject()
InternalFactHandle	getFactHandle()
Tuple	getHandleNext()
Tuple	getHandlePrevious()
Tuple	getNext()
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
Tuple	getPrevious()
PropagationContext	getPropagationContext()
Tuple	getRootTuple()
short	getStagedType()
Tuple	getTuple(int index)	Returns the tuple at the given index
void	increaseActivationCountForEvents()
boolean	isExpired()
void	setContextObject(Object contextObject)
void	setExpired()
void	setFactHandle(InternalFactHandle handle)
void	setHandleNext(Tuple handleNext)
void	setHandlePrevious(Tuple handlePrevious)
void	setNext(Tuple next)
void	setPrevious(Tuple previous)
void	setPropagationContext(PropagationContext propagationContext)
void	setStagedNext(Tuple stageNext)
void	setStagedPrevious(Tuple stagedPrevious)
void	setStagedType(short stagedType)
Tuple	skipEmptyHandles()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

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

findMostRecentPropagationContext, get, getFirstChild, getIndex, getInputOtnId, getLastChild, getMemory, getObject, getParent, getStagedNext, getStagedPrevious, getSubTuple, getTupleSink, getTupleSource, isDeleted, reAdd, setFirstChild, setLastChild, setMemory, size, toFactHandles, toObjects, toObjects, unlinkFromLeftParent, unlinkFromRightParent

Field Detail

handle

protected InternalFactHandle handle

stagedNext

protected Tuple stagedNext

stagedPrevious

protected Tuple stagedPrevious

sink

protected Sink sink

handlePrevious

protected Tuple handlePrevious

handleNext

protected Tuple handleNext

Constructor Detail

BaseTuple

public BaseTuple()

Method Detail

getObject

public Object getObject(Declaration declaration)

Specified by:

getObject in interface Tuple

getContextObject

public Object getContextObject()

Specified by:

getContextObject in interface Tuple

setContextObject

public final void setContextObject(Object contextObject)

Specified by:

setContextObject in interface Tuple

getStagedType

public short getStagedType()

Specified by:

getStagedType in interface Tuple

setStagedType

public void setStagedType(short stagedType)

Specified by:

setStagedType in interface Tuple

clearStaged

public void clearStaged()

Specified by:

clearStaged in interface Tuple

getFactHandle

public InternalFactHandle getFactHandle()

Specified by:

getFactHandle in interface Tuple

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

setFactHandle

public void setFactHandle(InternalFactHandle handle)

Specified by:

setFactHandle in interface Tuple

getPropagationContext

public PropagationContext getPropagationContext()

Specified by:

getPropagationContext in interface Tuple

setPropagationContext

public void setPropagationContext(PropagationContext propagationContext)

Specified by:

setPropagationContext in interface Tuple

setStagedNext

public void setStagedNext(Tuple stageNext)

Specified by:

setStagedNext in interface Tuple

setStagedPrevious

public void setStagedPrevious(Tuple stagedPrevious)

Specified by:

setStagedPrevious in interface Tuple

getPrevious

public Tuple getPrevious()

Specified by:

getPrevious in interface Tuple

setPrevious

public void setPrevious(Tuple previous)

Specified by:

setPrevious in interface Tuple

getNext

public Tuple getNext()

Specified by:

getNext in interface Entry<Tuple>

setNext

public void setNext(Tuple next)

Specified by:

setNext in interface Entry<Tuple>

clear

public void clear()

Specified by:

clear in interface Tuple

get

public InternalFactHandle get(Declaration declaration)

Description copied from interface: Tuple

Returns the FactHandle for the given Declaration, which in turn specifcy the Pattern that they depend on.

Specified by:

get in interface Tuple

Parameters:

declaration - The Declaration which specifies the Pattern

Returns:

The FactHandle

increaseActivationCountForEvents

public void increaseActivationCountForEvents()

Specified by:

increaseActivationCountForEvents in interface Tuple

decreaseActivationCountForEvents

public void decreaseActivationCountForEvents()

Specified by:

decreaseActivationCountForEvents in interface Tuple

getTuple

public Tuple getTuple(int index)

Description copied from interface: Tuple

Returns the tuple at the given index

Specified by:

getTuple in interface Tuple

Returns:

getRootTuple

public Tuple getRootTuple()

Specified by:

getRootTuple in interface Tuple

skipEmptyHandles

public Tuple skipEmptyHandles()

Specified by:

skipEmptyHandles in interface Tuple

getHandlePrevious

public Tuple getHandlePrevious()

Specified by:

getHandlePrevious in interface Tuple

setHandlePrevious

public void setHandlePrevious(Tuple handlePrevious)

Specified by:

setHandlePrevious in interface Tuple

getHandleNext

public Tuple getHandleNext()

Specified by:

getHandleNext in interface Tuple

setHandleNext

public void setHandleNext(Tuple handleNext)

Specified by:

setHandleNext in interface Tuple

isExpired

public boolean isExpired()

Specified by:

isExpired in interface Tuple

setExpired

public void setExpired()