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:

  • 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.