Module javafx.base

Package javafx.collections

Interface ObservableSet<E>

Type Parameters:

E - the set element type

All Superinterfaces:

Collection<E>, Iterable<E>, Observable, Set<E>

All Known Subinterfaces:

ObservableSetValue<E>, WritableSetValue<E>

All Known Implementing Classes:

ReadOnlySetProperty, ReadOnlySetPropertyBase, ReadOnlySetWrapper, SetBinding, SetExpression, SetProperty, SetPropertyBase, SimpleSetProperty

public interface ObservableSet<E>
extends Set<E>, Observable

A set that allows observers to track changes when they occur. Implementations can be created using methods in FXCollections such as observableSet, or with a SimpleSetProperty.

Since:

JavaFX 2.1

See Also:

SetChangeListener, SetChangeListener.Change

Method Summary

Modifier and Type	Method	Description
void	addListener(SetChangeListener<? super E> listener)	Add a listener to this observable set.
void	removeListener(SetChangeListener<? super E> listener)	Tries to removed a listener from this observable set.

Methods inherited from interface java.util.Collection

parallelStream, removeIf, stream, toArray

Methods inherited from interface java.lang.Iterable

forEach

Methods inherited from interface javafx.beans.Observable

addListener, removeListener

Methods inherited from interface java.util.Set

add, addAll, clear, contains, containsAll, equals, hashCode, isEmpty, iterator, remove, removeAll, retainAll, size, spliterator, toArray, toArray

Method Details

addListener

void addListener(SetChangeListener<? super E> listener)

Add a listener to this observable set.

Parameters:

listener - the listener for listening to the set changes

removeListener

void removeListener(SetChangeListener<? super E> listener)

Tries to removed a listener from this observable set. If the listener is not attached to this list, nothing happens.

Parameters:

listener - a listener to remove