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 Details

    • 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