public abstract class EventReceiver extends Object implements EventDispatcher
Constructor and Description |
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EventReceiver() |
Modifier and Type | Method and Description |
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void |
attachEventDispatcher(EventDispatcher ev)
Attach an EventDispatcher object to the events dispatching chain.
|
void |
detachEventDispatcher(EventDispatcher ev)
Detach the specified EventDispatcher object from the events dispatching chain.
|
EventDispatcher |
getEventDispatcher()
Get an object to be used to deliver events (usually
this , but YMMV). |
Set<String> |
getEvents()
Retrieve the names of all the events that have been received
|
Object |
getEventValue(String name)
Retrieve the value currently associated with the specified
event value
|
void |
ignoreEvents()
Ignore further event notifications
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abstract void |
notifyEvent(String eventName,
Object args)
Deliver an event
|
void |
unIgnoreEvents()
Almost like the method above :-)
|
Object |
waitEventValue(String name)
Wait until the given event has received a value
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public EventDispatcher getEventDispatcher()
EventDispatcher
this
, but YMMV).getEventDispatcher
in interface EventDispatcher
public void attachEventDispatcher(EventDispatcher ev)
EventDispatcher
ev
won't reach the object calling this method).
Good luck, and beware of notification loops! :-)attachEventDispatcher
in interface EventDispatcher
ev
- Event object to be attachedUnsupportedOperationException
- alwayspublic void detachEventDispatcher(EventDispatcher ev)
EventDispatcher
detachEventDispatcher
in interface EventDispatcher
ev
- Event object to be detachedUnsupportedOperationException
- alwayspublic abstract void notifyEvent(String eventName, Object args)
EventDispatcher
notifyEvent
in interface EventDispatcher
eventName
- name of the eventargs
- data being stored for that eventpublic Object getEventValue(String name)
EventDispatcher
getEventValue
in interface EventDispatcher
name
- name of the event to query forUnsupportedOperationException
- alwayspublic Set<String> getEvents()
EventDispatcher
getEvents
in interface EventDispatcher
UnsupportedOperationException
- alwayspublic void ignoreEvents()
EventDispatcher
ignoreEvents
in interface EventDispatcher
UnsupportedOperationException
- alwayspublic void unIgnoreEvents()
EventDispatcher
unIgnoreEvents
in interface EventDispatcher
public Object waitEventValue(String name)
EventDispatcher
waitEventValue
in interface EventDispatcher
name
- name of the event to wait forUnsupportedOperationException
- always