Package org.xwiki.observation

Class WrappedThreadEventListener

java.lang.Object

org.xwiki.observation.AbstractThreadEventListener

org.xwiki.observation.WrappedThreadEventListener

All Implemented Interfaces:

EventListener

public class WrappedThreadEventListener
extends AbstractThreadEventListener

Wraps a provided EventListener and filters events by only keeping those coming from the provided Thread.

Since:

3.2M3

Version:

$Id: f844184a118edc02ad0fd73a6492cf73769dcd8a $

Field Summary

Fields inherited from interface org.xwiki.observation.EventListener

CACHE_INVALIDATION_DEFAULT_PRIORITY

Constructor Summary

Constructors

Constructor	Description
WrappedThreadEventListener(EventListener listener)	Use Thread.currentThread().
WrappedThreadEventListener(EventListener listener, Thread thread)

Method Summary

Modifier and Type	Method	Description
List<Event>	getEvents()
String	getName()
protected void	onEventInternal(Event event, Object source, Object data)	Called when the event has been produce by the proper Thread.

Methods inherited from class org.xwiki.observation.AbstractThreadEventListener

onEvent

Methods inherited from class java.lang.Object

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

Constructor Details

WrappedThreadEventListener

public WrappedThreadEventListener(EventListener listener)

Use Thread.currentThread().

Parameters:

listener - the wrapped listener

Since:

6.0M1

WrappedThreadEventListener

public WrappedThreadEventListener(EventListener listener,
 Thread thread)

Parameters:

listener - the wrapped listener

thread - the thread to match to receive events

Method Details

getEvents

public List<Event> getEvents()

Returns:

the list of events this listener is configured to receive. This listener will be automatically registered with this list of events against the ObservationManager. When an event occurs, for each matching event in this list, the EventListener.onEvent(Event, Object, Object) method will be called.

getName

public String getName()

Returns:

the listener's name. It's a free form text identifying this listener instance in a unique manner. This name is used for some operations in ObservationManager.

onEventInternal

protected void onEventInternal(Event event,
 Object source,
 Object data)

Description copied from class: AbstractThreadEventListener

Called when the event has been produce by the proper Thread.

Specified by:

onEventInternal in class AbstractThreadEventListener

Parameters:

event - the event triggered. Can be used to differentiate different events if your Object supports several events for example.

source - the event source i.e. the object for which the event was triggered. For example this would be the document Object if the event is a document update event.

data - some additional and optional data passed that can be acted on.