Module javafx.base

Interface MapChangeListener<K,​V>

  • Type Parameters:
    K - the key element type
    V - the value element type
    All Known Implementing Classes:
    Functional Interface:
    This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

    public interface MapChangeListener<K,​V>
    Interface that receives notifications of changes to an ObservableMap.
    JavaFX 2.0
    • Method Detail

      • onChanged

        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.
        change - the change that was made