bundles/org.eclipse.core.databinding.beans/src/org/eclipse/core/internal/databinding/beans/BeanObservableSetDecorator.java

/*******************************************************************************
 * Copyright (c) 2007 Brad Reynolds 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:
 *     Brad Reynolds - initial API and implementation
 ******************************************************************************/

package org.eclipse.core.internal.databinding.beans;

import java.beans.PropertyDescriptor;
import java.util.Collection;
import java.util.Iterator;

import org.eclipse.core.databinding.beans.IBeanObservable;
import org.eclipse.core.databinding.observable.IChangeListener;
import org.eclipse.core.databinding.observable.IStaleListener;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.set.IObservableSet;
import org.eclipse.core.databinding.observable.set.ISetChangeListener;
import org.eclipse.core.internal.databinding.Util;

/**
 * {@link IBeanObservable} decorator for an {@link IObservableSet}.
 * 
 * @since 3.3
 */
public class BeanObservableSetDecorator implements IObservableSet, IBeanObservable {
	private IObservableSet delegate;
	private Object observed;
	private PropertyDescriptor propertyDescriptor;

	/**
	 * @param delegate 
	 * @param observed 
	 * @param propertyDescriptor
	 */
	public BeanObservableSetDecorator(IObservableSet delegate,
			Object observed,
			PropertyDescriptor propertyDescriptor) {
		
		this.delegate = delegate;
		this.observed = observed;
		this.propertyDescriptor = propertyDescriptor;
	}

	public boolean add(Object o) {
		return delegate.add(o);
	}

	public boolean addAll(Collection c) {
		return delegate.addAll(c);
	}

	public void addChangeListener(IChangeListener listener) {
		delegate.addChangeListener(listener);
	}

	public void addSetChangeListener(ISetChangeListener listener) {
		delegate.addSetChangeListener(listener);
	}

	public void addStaleListener(IStaleListener listener) {
		delegate.addStaleListener(listener);
	}

	public void clear() {
		delegate.clear();
	}

	public boolean contains(Object o) {
		return delegate.contains(o);
	}

	public boolean containsAll(Collection c) {
		return delegate.containsAll(c);
	}

	public void dispose() {
		delegate.dispose();
	}

	public boolean equals(Object obj) {
		if (obj instanceof BeanObservableSetDecorator) {
			BeanObservableSetDecorator other = (BeanObservableSetDecorator) obj;
			return Util.equals(other.delegate, delegate);
		}
		return Util.equals(delegate, obj);
	}

	public Object getElementType() {
		return delegate.getElementType();
	}

	public Realm getRealm() {
		return delegate.getRealm();
	}

	public int hashCode() {
		return delegate.hashCode();
	}

	public boolean isEmpty() {
		return delegate.isEmpty();
	}

	public boolean isStale() {
		return delegate.isStale();
	}

	public Iterator iterator() {
		return delegate.iterator();
	}

	public boolean remove(Object o) {
		return delegate.remove(o);
	}

	public boolean removeAll(Collection c) {
		return delegate.removeAll(c);
	}

	public void removeChangeListener(IChangeListener listener) {
		delegate.removeChangeListener(listener);
	}

	public void removeSetChangeListener(ISetChangeListener listener) {
		delegate.removeSetChangeListener(listener);
	}

	public void removeStaleListener(IStaleListener listener) {
		delegate.removeStaleListener(listener);
	}

	public boolean retainAll(Collection c) {
		return delegate.retainAll(c);
	}

	public int size() {
		return delegate.size();
	}

	public Object[] toArray() {
		return delegate.toArray();
	}

	public Object[] toArray(Object[] a) {
		return delegate.toArray(a);
	}

	/* (non-Javadoc)
	 * @see org.eclipse.core.databinding.beans.IBeanObservable#getObserved()
	 */
	public Object getObserved() {
		return observed;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.core.databinding.beans.IBeanObservable#getPropertyDescriptor()
	 */
	public PropertyDescriptor getPropertyDescriptor() {
		return propertyDescriptor;
	}

	/**
	 * @return the wrapped set
	 */
	public IObservableSet getDelegate() {
		return delegate;
	}	
}