1 files changed, 0 insertions, 132 deletions
diff --git a/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/ObjectReference.java b/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/ObjectReference.java
deleted file mode 100644
index e294cc1d7e..0000000000
--- a/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/ObjectReference.java
+++ /dev/null
@@ -1,132 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2009 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;
-
-import java.io.Serializable;
-
-/**
- * Provide a container for passing an object that can be changed by the recipient.
- * 
- * @see SynchronizedObject
- */
-public class ObjectReference<V>
-	implements Cloneable, Serializable
-{
-	/** Backing value. */
-	private volatile V value;
-
-	private static final long serialVersionUID = 1L;
-
-
-	// ********** constructors **********
-
-	/**
-	 * Create an object reference with the specified initial value.
-	 */
-	public ObjectReference(V value) {
-		super();
-		this.value = value;
-	}
-
-	/**
-	 * Create an object reference with an initial value of
-	 * <code>null</code>.
-	 */
-	public ObjectReference() {
-		this(null);
-	}
-
-
-	// ********** accessors **********
-
-	/**
-	 * Return the current value.
-	 */
-	public V getValue() {
-		return this.value;
-	}
-
-	/**
-	 * Return whether the current value is equal to the specified value.
-	 */
-	public boolean valueEquals(V v) {
-		return Tools.valuesAreEqual(this.value, v);
-	}
-
-	/**
-	 * Return whether the current value is not equal to the specified value.
-	 */
-	public boolean valueNotEqual(V v) {
-		return Tools.valuesAreDifferent(this.value, v);
-	}
-
-	/**
-	 * Return whether the current value is <code>null</code>.
-	 */
-	public boolean isNull() {
-		return this.value == null;
-	}
-
-	/**
-	 * Return whether the current value is not <code>null</code>.
-	 */
-	public boolean isNotNull() {
-		return this.value != null;
-	}
-
-	/**
-	 * Set the value.
-	 * Return the previous value.
-	 */
-	public V setValue(V value) {
-		V old = this.value;
-		this.value = value;
-		return old;
-	}
-
-	/**
-	 * Set the value to <code>null</code>.
-	 * Return the previous value.
-	 */
-	public V setNull() {
-		return this.setValue(null);
-	}
-
-
-	// ********** standard methods **********
-
-	@Override
-	public ObjectReference<V> clone() {
-		try {
-			@SuppressWarnings("unchecked")
-			ObjectReference<V> clone = (ObjectReference<V>) super.clone();
-			return clone;
-		} catch (CloneNotSupportedException ex) {
-			throw new InternalError();
-		}
-	}
-
-	@Override
-	public boolean equals(Object obj) {
-		return (obj instanceof ObjectReference<?>) &&
-			Tools.valuesAreEqual(this.value, ((ObjectReference<?>) obj).value);
-	}
-
-	@Override
-	public int hashCode() {
-		return (this.value == null) ? 0 : this.value.hashCode();
-	}
-
-	@Override
-	public String toString() {
-		return '[' + String.valueOf(this.value) + ']';
-	}
-
-}