Module javafx.base

Package 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 in the JavaFX API. 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	Description
boolean	wasGarbageCollected()	Returns true if the linked listener was garbage-collected.

Method Details

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.