Module org.omnifaces

Package org.omnifaces.cdi.viewscope

Class ViewScopeEventListener

java.lang.Object

org.omnifaces.cdi.viewscope.ViewScopeEventListener

All Implemented Interfaces:

FacesListener, SystemEventListener, ViewMapListener, EventListener

public class ViewScopeEventListener
extends Object
implements ViewMapListener

Listener for Faces view scope destroy events so that view scope manager can be notified.

Since:

1.6

Author:

Bauke Scholtz

See Also:

• ViewScopeManager

Constructor Summary

Constructors

Constructor	Description
ViewScopeEventListener()

Method Summary

Modifier and Type	Method	Description
boolean	isListenerForSource(Object source)	Returns true if given source is an instance of UIViewRoot.
void	processEvent(SystemEvent event)	If the event is an instance of PreDestroyViewMapEvent, which means that the Faces view scope is about to be destroyed, then find the current instance of ViewScopeManager and invoke its ViewScopeManager.preDestroyView() method.

Methods inherited from class java.lang.Object

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

Constructor Details

ViewScopeEventListener

public ViewScopeEventListener()

Method Details

isListenerForSource

public boolean isListenerForSource(Object source)

Returns true if given source is an instance of UIViewRoot.

Specified by:

isListenerForSource in interface SystemEventListener

processEvent

public void processEvent(SystemEvent event)

If the event is an instance of PreDestroyViewMapEvent, which means that the Faces view scope is about to be destroyed, then find the current instance of ViewScopeManager and invoke its ViewScopeManager.preDestroyView() method.

Specified by:

processEvent in interface SystemEventListener