uk.ac.starlink.util.gui
Class WeakListDataListener
java.lang.Object
uk.ac.starlink.util.gui.WeakListDataListener
- All Implemented Interfaces:
- EventListener, ListDataListener
public class WeakListDataListener
- extends Object
- implements ListDataListener
List data listener which delegates to another one as long as it is
reachable, but only retains a weak reference to it.
Adding a listener to an object in this way will not prevent the listener
(and any of its references) from being garbage collected.
- Since:
- 20 Jan 2005
- Author:
- Mark Taylor
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
WeakListDataListener
public WeakListDataListener(ListDataListener base)
- Constructs a new listener based on an existing one.
- Parameters:
base
- listener
contentsChanged
public void contentsChanged(ListDataEvent evt)
- Specified by:
contentsChanged
in interface ListDataListener
intervalAdded
public void intervalAdded(ListDataEvent evt)
- Specified by:
intervalAdded
in interface ListDataListener
intervalRemoved
public void intervalRemoved(ListDataEvent evt)
- Specified by:
intervalRemoved
in interface ListDataListener
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