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java.lang.Objectorg.jboss.kernel.plugins.event.AbstractEventEmitter
public class AbstractEventEmitter
Abstract Event emitter.
Field Summary | |
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protected Map |
eventListenerRegistry
The registry Map |
protected static Object |
NULL
Used to represent a null parameter |
Constructor Summary | |
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AbstractEventEmitter()
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Method Summary | |
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KernelEvent |
createEvent(String type,
Object context)
Make a new event |
void |
fireKernelEvent(KernelEvent event)
Fire an event |
protected void |
fireKernelEvent(KernelEventListener listener,
KernelEvent event,
Object handback)
Fire a kernel event to a single listener |
boolean |
hasListeners()
Do we have listeners |
protected long |
nextEmitterSequence()
Get the next emitter sequence |
void |
registerListener(KernelEventListener listener,
KernelEventFilter filter,
Object handback)
Register a listener |
void |
unregisterListener(KernelEventListener listener,
KernelEventFilter filter,
Object handback)
Unregister a listener |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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protected static final Object NULL
protected Map eventListenerRegistry
Constructor Detail |
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public AbstractEventEmitter()
Method Detail |
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public boolean hasListeners()
public KernelEvent createEvent(String type, Object context)
public void registerListener(KernelEventListener listener, KernelEventFilter filter, Object handback) throws Throwable
KernelEventEmitter
registerListener
in interface KernelEventEmitter
listener
- the listenerfilter
- the filterhandback
- the handback object
Throwable
- for any errorpublic void unregisterListener(KernelEventListener listener, KernelEventFilter filter, Object handback) throws Throwable
KernelEventEmitter
unregisterListener
in interface KernelEventEmitter
listener
- the listenerfilter
- the filterhandback
- the handback object
Throwable
- for any errorpublic void fireKernelEvent(KernelEvent event)
KernelEventEmitter
fireKernelEvent
in interface KernelEventEmitter
event
- the eventprotected void fireKernelEvent(KernelEventListener listener, KernelEvent event, Object handback)
listener
- the listenerevent
- the eventhandback
- the handback objectprotected long nextEmitterSequence()
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