Class WeakMapChangeListener<K,V>

public final class WeakMapChangeListener<K,V>
extends Object
implements MapChangeListener<K,V>, WeakListener

• Nested Class Summary

  • Nested classes/interfaces inherited from interface javafx.collections.MapChangeListener

    MapChangeListener.Change<K,V>

• Constructor Summary

  Constructors

  Constructor and Description
  WeakMapChangeListener(MapChangeListener<K,V> listener) The constructor of WeakMapChangeListener.

• Method Summary

  All MethodsInstance MethodsConcrete Methods

  Modifier and Type	Method and Description
  void	onChanged(MapChangeListener.Change<? extends K,? extends V> change) Called after a change has been made to an ObservableMap.
  boolean	wasGarbageCollected() Returns true if the linked listener was garbage-collected.

  • Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

• Constructor Detail

  • WeakMapChangeListener

    public WeakMapChangeListener(MapChangeListener<K,V> listener)

    The constructor of WeakMapChangeListener.

    Parameters:

    listener - The original listener that should be notified

• Method Detail

  • wasGarbageCollected

    public boolean wasGarbageCollected()

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

    Specified by:

    wasGarbageCollected in interface WeakListener

    Returns:

    true if the linked listener was garbage-collected.

  • onChanged

    public void onChanged(MapChangeListener.Change<? extends K,? extends V> change)

    Called after a change has been made to an ObservableMap. This method is called on every elementary change (put/remove) once. This means, complex changes like keySet().removeAll(Collection) or clear() may result in more than one call of onChanged method.

    Specified by:

    onChanged in interface MapChangeListener<K,V>

    Parameters:

    change - the change that was made