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java.lang.Objectorg.eclipse.core.commands.common.EventManager
public abstract class EventManager
A manager to which listeners can be attached. This handles the management of a list of listeners -- optimizing memory and performance. All the methods on this class are guaranteed to be thread-safe.
Clients may extend.
| Constructor Summary | |
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EventManager()
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| Method Summary | |
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protected void |
addListenerObject(Object listener)
Adds a listener to this manager that will be notified when this manager's state changes. |
protected void |
clearListeners()
Clears all of the listeners from the listener list. |
protected Object[] |
getListeners()
Returns the listeners attached to this event manager. |
protected boolean |
isListenerAttached()
Whether one or more listeners are attached to the manager. |
protected void |
removeListenerObject(Object listener)
Removes a listener from this manager. |
| 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 EventManager()
| Method Detail |
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protected final void addListenerObject(Object listener)
listener - The listener to be added; must not be null.protected final void clearListeners()
protected final Object[] getListeners()
nullprotected final boolean isListenerAttached()
true if listeners are attached to the manager;
false otherwise.protected final void removeListenerObject(Object listener)
listener - The listener to be removed; must not be null.
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