org.zkoss.zk.ui.event.impl
Class EventQueueProviderImpl

java.lang.Object
  extended by org.zkoss.zk.ui.event.impl.EventQueueProviderImpl
All Implemented Interfaces:
EventQueueProvider

public class EventQueueProviderImpl
extends java.lang.Object
implements EventQueueProvider

A simple implementation of EventQueueProvider.

Since:
5.0.0
Author:
tomyeh

Field Summary
protected static java.lang.String ATTR_EVENT_QUEUES
          The attribute used to store the map of event queues.
 
Constructor Summary
EventQueueProviderImpl()
           
 
Method Summary
 EventQueue lookup(java.lang.String name, java.lang.String scope, boolean autoCreate)
          Returns the event queue with the specified name in the specified scope.
 boolean remove(java.lang.String name, java.lang.String scope)
          Removes the event qeueue.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

ATTR_EVENT_QUEUES

protected static final java.lang.String ATTR_EVENT_QUEUES
The attribute used to store the map of event queues.

See Also:
Constant Field Values
Constructor Detail

EventQueueProviderImpl

public EventQueueProviderImpl()
Method Detail

lookup

public EventQueue lookup(java.lang.String name,
                         java.lang.String scope,
                         boolean autoCreate)
Description copied from interface: EventQueueProvider
Returns the event queue with the specified name in the specified scope.

Note:

Specified by:
lookup in interface EventQueueProvider
Parameters:
name - the name of the event queue.
scope - the scope of the event queue. It must support EventQueues.DESKTOP and EventQueues.APPLICATION. Developers might extend it to support other types of event queues.
autoCreate - whether to create the event queue if not found.
Returns:
the event queue with the associated name, or null if not found and autoCreate is false

remove

public boolean remove(java.lang.String name,
                      java.lang.String scope)
Description copied from interface: EventQueueProvider
Removes the event qeueue.

Specified by:
remove in interface EventQueueProvider
Parameters:
name - the name of the event queue.
scope - the scope of the event queue. It must support EventQueues.DESKTOP and EventQueues.APPLICATION. Developers might extend it to support other types of event queues.
Returns:
true if it is removed successfully


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