1 files changed, 0 insertions, 145 deletions
diff --git a/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/model/value/PropertyValueModelWrapper.java b/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/model/value/PropertyValueModelWrapper.java
deleted file mode 100644
index 0a4e550978..0000000000
--- a/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/model/value/PropertyValueModelWrapper.java
+++ /dev/null
@@ -1,145 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2007, 2008 Oracle. 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:
- *     Oracle - initial API and implementation
- ******************************************************************************/
-package org.eclipse.jpt.utility.internal.model.value;
-
-import org.eclipse.jpt.utility.internal.model.AbstractModel;
-import org.eclipse.jpt.utility.internal.model.ChangeSupport;
-import org.eclipse.jpt.utility.internal.model.SingleAspectChangeSupport;
-import org.eclipse.jpt.utility.model.event.PropertyChangeEvent;
-import org.eclipse.jpt.utility.model.listener.PropertyChangeListener;
-import org.eclipse.jpt.utility.model.value.PropertyValueModel;
-
-/**
- * This abstract class provides the infrastructure needed to wrap
- * another property value model, "lazily" listen to it, and propagate
- * its change notifications.
- */
-public abstract class PropertyValueModelWrapper<T>
-	extends AbstractModel
-{
-
-	/** The wrapped property value model. */
-	protected final PropertyValueModel<? extends T> valueHolder;
-
-	/** A listener that allows us to synch with changes to the wrapped value holder. */
-	protected final PropertyChangeListener valueChangeListener;
-
-
-	// ********** constructors/initialization **********
-
-	/**
-	 * Construct a property value model with the specified wrapped
-	 * property value model. The value holder is required.
-	 */
-	protected PropertyValueModelWrapper(PropertyValueModel<? extends T> valueHolder) {
-		super();
-		if (valueHolder == null) {
-			throw new NullPointerException();
-		}
-		this.valueHolder = valueHolder;
-		this.valueChangeListener = this.buildValueChangeListener();
-	}
-	
-	@Override
-	protected ChangeSupport buildChangeSupport() {
-		return new SingleAspectChangeSupport(this, PropertyChangeListener.class, PropertyValueModel.VALUE);
-	}
-
-	protected PropertyChangeListener buildValueChangeListener() {
-		return new PropertyChangeListener() {
-			public void propertyChanged(PropertyChangeEvent event) {
-				PropertyValueModelWrapper.this.valueChanged(event);
-			}
-		    @Override
-			public String toString() {
-				return "value change listener";
-			}
-		};
-	}
-	
-
-	// ********** extend change support **********
-
-	/**
-	 * Extend to start listening to the nested model if necessary.
-	 */
-    @Override
-	public synchronized void addPropertyChangeListener(PropertyChangeListener listener) {
-		if (this.hasNoPropertyChangeListeners(PropertyValueModel.VALUE)) {
-			this.engageValueHolder();
-		}
-		super.addPropertyChangeListener(listener);
-	}
-	
-	/**
-	 * Extend to start listening to the nested model if necessary.
-	 */
-    @Override
-	public synchronized void addPropertyChangeListener(String propertyName, PropertyChangeListener listener) {
-		if (propertyName == PropertyValueModel.VALUE && this.hasNoPropertyChangeListeners(PropertyValueModel.VALUE)) {
-			this.engageValueHolder();
-		}
-		super.addPropertyChangeListener(propertyName, listener);
-	}
-	
-	/**
-	 * Extend to stop listening to the nested model if necessary.
-	 */
-    @Override
-	public synchronized void removePropertyChangeListener(PropertyChangeListener listener) {
-		super.removePropertyChangeListener(listener);
-		if (this.hasNoPropertyChangeListeners(PropertyValueModel.VALUE)) {
-			this.disengageValueHolder();
-		}
-	}
-	
-	/**
-	 * Extend to stop listening to the nested model if necessary.
-	 */
-    @Override
-	public synchronized void removePropertyChangeListener(String propertyName, PropertyChangeListener listener) {
-		super.removePropertyChangeListener(propertyName, listener);
-		if (propertyName == PropertyValueModel.VALUE && this.hasNoPropertyChangeListeners(PropertyValueModel.VALUE)) {
-			this.disengageValueHolder();
-		}
-	}
-	
-
-	// ********** behavior **********
-	
-	/**
-	 * Begin listening to the value holder.
-	 */
-	protected void engageValueHolder() {
-		this.valueHolder.addPropertyChangeListener(PropertyValueModel.VALUE, this.valueChangeListener);
-	}
-	
-	/**
-	 * Stop listening to the value holder.
-	 */
-	protected void disengageValueHolder() {
-		this.valueHolder.removePropertyChangeListener(PropertyValueModel.VALUE, this.valueChangeListener);
-	}
-	
-	@Override
-	public void toString(StringBuilder sb) {
-		sb.append(this.valueHolder);
-	}
-
-
-	// ********** property change support **********
-
-	/**
-	 * The value of the wrapped value holder has changed;
-	 * propagate the change notification appropriately.
-	 */
-	protected abstract void valueChanged(PropertyChangeEvent event);
-
-}