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public static interface Property.ValueChangeNotifier
The interface for adding and removing ValueChangeEvent
listeners. If a Property wishes to allow other objects to receive
ValueChangeEvent
generated by it, it must implement this
interface.
Note : The general Java convention is not to explicitly declare that a
class generates events, but to directly define the
addListener
and removeListener
methods. That
way the caller of these methods has no real way of finding out if the
class really will send the events, or if it just defines the methods to
be able to implement an interface.
Method Summary | |
---|---|
void |
addListener(Property.ValueChangeListener listener)
Registers a new value change listener for this Property. |
void |
removeListener(Property.ValueChangeListener listener)
Removes a previously registered value change listener. |
Method Detail |
---|
void addListener(Property.ValueChangeListener listener)
listener
- the new Listener to be registeredvoid removeListener(Property.ValueChangeListener listener)
listener
- listener to be removed
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