/*******************************************************************************
* Copyright (c) 2009, 2015 Matthew Hall and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Matthew Hall - initial API and implementation (bug 263868)
* Matthew Hall - bug 268203
* Stefan Xenos <sxenos@gmail.com> - Bug 335792
******************************************************************************/
package org.eclipse.core.internal.databinding.property.set;
import java.util.Set;
import org.eclipse.core.databinding.observable.set.SetDiff;
import org.eclipse.core.databinding.property.INativePropertyListener;
import org.eclipse.core.databinding.property.ISimplePropertyListener;
import org.eclipse.core.databinding.property.set.SimpleSetProperty;
/**
* @param <E>
* type of the elements in the set
* @since 3.3
*
*/
public final class SelfSetProperty<E> extends SimpleSetProperty<Set<E>, E> {
private final Object elementType;
/**
* @param elementType
*/
public SelfSetProperty(Object elementType) {
this.elementType = elementType;
}
@Override
public Object getElementType() {
return elementType;
}
@Override
protected Set<E> doGetSet(Set<E> source) {
return source;
}
@Override
protected void doSetSet(Set<E> source, Set<E> set, SetDiff<E> diff) {
diff.applyTo(source);
}
@Override
public INativePropertyListener<Set<E>> adaptListener(ISimplePropertyListener<Set<E>, SetDiff<E>> listener) {
return null; // no listener API
}
protected void doAddListener(Object source,
INativePropertyListener<Set<E>> listener) {
}
protected void doRemoveListener(Set<E> source,
INativePropertyListener<Set<E>> listener) {
}
}