public abstract class ListenerHandler extends Object
Constructor and Description |
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ListenerHandler() |
Modifier and Type | Method and Description |
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void |
addListener(Object listener)
add a listener
|
boolean |
contains(Object o) |
abstract void |
fireEvent(String eventkey,
Object listener,
Object event)
to be defined by subclasses, responsible for firing an event to an
instance of a listener
|
Iterator |
listeners()
returns an iterator to each listener in the list
|
void |
removeListener(Object listener)
Remove a listener
|
void |
sendEvent(Object evt)
sends the event to all listeners.
|
void |
sendEvent(String eventKey,
Object evt)
sends the event to all listeners.
|
int |
size() |
public abstract void fireEvent(String eventkey, Object listener, Object event)
public void addListener(Object listener)
listener
- The listener to be addedpublic void removeListener(Object listener)
listener
- The listener to be removedpublic void sendEvent(Object evt)
public void sendEvent(String eventKey, Object evt)
public Iterator listeners()
public boolean contains(Object o)
public int size()
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