Module javafx.base
Package javafx.collections

Interface SetChangeListener<E>

  • Type Parameters:
    E - the element type
    All Known Implementing Classes:
    WeakSetChangeListener
    Functional Interface:
    This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
    @FunctionalInterface
public interface SetChangeListener<E>
    Interface that receives notifications of changes to an ObservableSet.
    Since:
    JavaFX 2.1

    • Nested Class Summary

      Nested Classes 
      Modifier and Type Interface Description
      static class  SetChangeListener.Change<E>
      An elementary change done to an ObservableSet.

    • Method Summary

      Modifier and Type Method Description
      void onChanged​(SetChangeListener.Change<? extends E> change)
      Called after a change has been made to an ObservableSet.

    • Method Detail

      • onChanged

        void onChanged​(SetChangeListener.Change<? extends E> change)
        Called after a change has been made to an ObservableSet. This method is called on every elementary change (add/remove) once. This means, complex changes like removeAll(Collection) or clear() may result in more than one call of onChanged method.
        Parameters:
        change - the change that was made