com.vaadin.data.
Interface Item.PropertySetChangeNotifier
All Superinterfaces:
All Known Implementing Classes:
Enclosing interface:
- extends Serializable
public static interface Item.PropertySetChangeNotifier
The interface for adding and removing PropertySetChangeEvent
listeners. By implementing this interface a class explicitly announces
that it will generate a PropertySetChangeEvent
when its
Property set is modified.
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(Item.PropertySetChangeListener listener)
Registers a new property set change listener for this Item. |
void |
removeListener(Item.PropertySetChangeListener listener)
Removes a previously registered property set change listener. |
Method Detail |
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addListener
void addListener(Item.PropertySetChangeListener listener)
- Parameters:
listener
- The new Listener to be registered.
Registers a new property set change listener for this Item.
removeListener
void removeListener(Item.PropertySetChangeListener listener)
- Parameters:
listener
- Listener to be removed.
Removes a previously registered property set change listener.