org.drools.common
Class EventFactHandle

java.lang.Object
  org.drools.common.DefaultFactHandle
      org.drools.common.EventFactHandle

All Implemented Interfaces:

Serializable, Cloneable, Comparable<EventFactHandle>, InternalFactHandle, org.drools.runtime.rule.FactHandle

public class EventFactHandle
extends DefaultFactHandle
implements Comparable<EventFactHandle>

See Also:

Serialized Form

Constructor Summary

EventFactHandle()

EventFactHandle(int id, Object object, long recency, long timestamp, long duration, org.drools.runtime.rule.WorkingMemoryEntryPoint wmEntryPoint)
Creates a new event fact handle.

EventFactHandle(int id, Object object, long recency, long timestamp, long duration, org.drools.runtime.rule.WorkingMemoryEntryPoint wmEntryPoint, boolean isTraitOrTraitable)
Creates a new event fact handle.

Method Summary

void	addFirstWindowTupleList(WindowTupleList window)
void	addLastWindowTupleList(WindowTupleList window)
EventFactHandle	clone()
int	compareTo(EventFactHandle e)
void	decPendingActions()
void	decreaseActivationsCount()
long	getActivationsCount()
long	getDuration() Returns the duration of this event.
long	getEndTimestamp() Returns the end timestamp for this event.
long	getStartTimestamp() Returns the timestamp of the occurrence of this event.
boolean	hasPendingActions()
void	incPendingActions()
void	increaseActivationsCount()
boolean	isEvent() Always returns true, since the EventFactHandle is only used for Events, and not for regular Facts
boolean	isExpired()
void	removeWindowTupleList(WindowTupleList window)
void	setActivationsCount(long activationsCount)
void	setExpired(boolean expired)
String	toExternalForm() format_version:id:identity:hashcode:recency
String	toString()

Methods inherited from class org.drools.common.DefaultFactHandle

addFirstLeftTuple, addFirstRightTuple, addLastLeftTuple, addLastRightTuple, addLeftTupleInPosition, addRightTupleInPosition, clearLeftTuples, clearRightTuples, determineIdentityHashCode, disconnect, equals, getEntryPoint, getEqualityKey, getExternalForm, getFirstLeftTuple, getFirstRightTuple, getId, getIdentityHashCode, getLastLeftTuple, getLastRightTuple, getObject, getObjectHashCode, getRecency, hashCode, invalidate, isDisconnected, isTraitable, isTraiting, isTraitOrTraitable, isValid, removeLeftTuple, removeRightTuple, setEntryPoint, setEqualityKey, setExternalForm, setFirstLeftTuple, setFirstRightTuple, setLastLeftTuple, setLastRightTuple, setObject, setObjectHashCode, setRecency, toTupleTree

Methods inherited from class java.lang.Object

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

Constructor Detail

EventFactHandle

public EventFactHandle()

EventFactHandle

public EventFactHandle(int id,
                       Object object,
                       long recency,
                       long timestamp,
                       long duration,
                       org.drools.runtime.rule.WorkingMemoryEntryPoint wmEntryPoint)

Creates a new event fact handle.

Parameters:

id - this event fact handle ID

object - the event object encapsulated in this event fact handle

recency - the recency of this event fact handle

timestamp - the timestamp of the occurrence of this event

duration - the duration of this event. May be 0 (zero) in case this is a primitive event.

EventFactHandle

public EventFactHandle(int id,
                       Object object,
                       long recency,
                       long timestamp,
                       long duration,
                       org.drools.runtime.rule.WorkingMemoryEntryPoint wmEntryPoint,
                       boolean isTraitOrTraitable)

Creates a new event fact handle.

Parameters:

id - this event fact handle ID

object - the event object encapsulated in this event fact handle

recency - the recency of this event fact handle

timestamp - the timestamp of the occurrence of this event

duration - the duration of this event. May be 0 (zero) in case this is a primitive event.

Method Detail

toExternalForm

public String toExternalForm()

Description copied from class: DefaultFactHandle

format_version:id:identity:hashcode:recency

Specified by:

toExternalForm in interface InternalFactHandle

Specified by:

toExternalForm in interface org.drools.runtime.rule.FactHandle

Overrides:

toExternalForm in class DefaultFactHandle

See Also:

1: is used for EventFactHandle

toString

public String toString()

Overrides:

toString in class DefaultFactHandle

See Also:

Object

isEvent

public boolean isEvent()

Always returns true, since the EventFactHandle is only used for Events, and not for regular Facts

Specified by:

isEvent in interface InternalFactHandle

Overrides:

isEvent in class DefaultFactHandle

Returns:

getStartTimestamp

public long getStartTimestamp()

Returns the timestamp of the occurrence of this event.

Returns:

getDuration

public long getDuration()

Returns the duration of this event. In case this is a primitive event, returns 0 (zero).

Returns:

getEndTimestamp

public long getEndTimestamp()

Returns the end timestamp for this event. This is the same as: startTimestamp + duration

Returns:

isExpired

public boolean isExpired()

setExpired

public void setExpired(boolean expired)

getActivationsCount

public long getActivationsCount()

setActivationsCount

public void setActivationsCount(long activationsCount)

increaseActivationsCount

public void increaseActivationsCount()

decreaseActivationsCount

public void decreaseActivationsCount()

addFirstWindowTupleList

public void addFirstWindowTupleList(WindowTupleList window)

addLastWindowTupleList

public void addLastWindowTupleList(WindowTupleList window)

removeWindowTupleList

public void removeWindowTupleList(WindowTupleList window)

clone

public EventFactHandle clone()

Specified by:

clone in interface InternalFactHandle

Overrides:

clone in class DefaultFactHandle

compareTo

public int compareTo(EventFactHandle e)

Specified by:

compareTo in interface Comparable<EventFactHandle>

hasPendingActions

public boolean hasPendingActions()

incPendingActions

public void incPendingActions()

decPendingActions

public void decPendingActions()