--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/org.eclipse.core.databinding.beans/src/org/eclipse/core/internal/databinding/beans/BeanObservableSetDecorator.d	Tue Apr 21 10:55:51 2009 +0200
@@ -0,0 +1,179 @@
+/*******************************************************************************
+ * 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
+ *     Matthew Hall - bug 245183
+ ******************************************************************************/
+
+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 : IObservableSet, IBeanObservable {
+    private IObservableSet delegate;
+    private Object observed;
+    private PropertyDescriptor propertyDescriptor;
+
+    /**
+     * @param delegate 
+     * @param observed 
+     * @param propertyDescriptor
+     */
+    public this(IObservableSet delegate,
+            Object observed,
+            PropertyDescriptor propertyDescriptor) {
+        
+        this.delegate = delegate;
+        this.observed = observed;
+        this.propertyDescriptor = propertyDescriptor;
+    }
+
+    public bool add(Object o) {
+        return delegate.add(o);
+    }
+
+    public bool 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 bool contains(Object o) {
+        return delegate.contains(o);
+    }
+
+    public bool containsAll(Collection c) {
+        return delegate.containsAll(c);
+    }
+
+    public void dispose() {
+        delegate.dispose();
+    }
+
+    public override equals_t opEquals(Object obj) {
+        if (obj is this)
+            return true;
+        if (obj is null)
+            return false;
+        if (getClass() is obj.getClass()) {
+            BeanObservableSetDecorator other = cast(BeanObservableSetDecorator) obj;
+            return Util.equals(other.delegate, delegate);
+        }
+        return delegate.equals(obj);
+    }
+
+    public Object getElementType() {
+        return delegate.getElementType();
+    }
+
+    public Realm getRealm() {
+        return delegate.getRealm();
+    }
+
+    public override hash_t toHash() {
+        return delegate.hashCode();
+    }
+
+    public bool isEmpty() {
+        return delegate.isEmpty();
+    }
+
+    public bool isStale() {
+        return delegate.isStale();
+    }
+
+    public Iterator iterator() {
+        return delegate.iterator();
+    }
+
+    public bool remove(Object o) {
+        return delegate.remove(o);
+    }
+
+    public bool 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 bool 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;
+    }   
+}