javafx.beans

Interface WeakListener

All Known Implementing Classes:

WeakChangeListener, WeakInvalidationListener, WeakListChangeListener, WeakMapChangeListener, WeakSetChangeListener

public interface WeakListener

WeakListener is the super interface of all weak listener implementations JavaFX runtime. Usually it should not be used directly, but instead one of the sub-interfaces will be used.

Since:

JavaFX 2.1

See Also:

WeakInvalidationListener, WeakChangeListener

Method Summary

Modifier and Type	Method and Description
boolean	wasGarbageCollected() Returns true if the linked listener was garbage-collected.

Method Detail

wasGarbageCollected

boolean wasGarbageCollected()

Returns true if the linked listener was garbage-collected. In this case, the listener can be removed from the observable.

Returns:

true if the linked listener was garbage-collected.