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java.lang.Object org.apache.hivemind.util.EventListenerList
public class EventListenerList
Convienience class for tracking a list of event listeners. Works efficiently (using a copy-on-write approach) to iterating through the listeners in the list even when the list of listeners may be modified.
EventListenerList is thread-safe.
Constructor Summary | |
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EventListenerList()
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Method Summary | |
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void |
addListener(java.lang.Object listener)
Adds a new listener to the list of listeners. |
java.util.Iterator |
getListeners()
Returns an Iterator used to find all the listeners previously added. |
void |
removeListener(java.lang.Object listener)
Removes a listener from the list. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public EventListenerList()
Method Detail |
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public java.util.Iterator getListeners()
remove()
on the Iterator.
Invoking this method takes a "snapshot" of the current list of listeners.
You may invoke addListener(Object)
or removeListener(Object)
,
but that won't affect the sequence of listeners returned by the Iterator.
public void addListener(java.lang.Object listener)
public void removeListener(java.lang.Object listener)
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