1 files changed, 0 insertions, 118 deletions
diff --git a/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/model/value/AbstractPropertyValueModelAdapter.java b/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/model/value/AbstractPropertyValueModelAdapter.java
deleted file mode 100644
index a77b11b6cf..0000000000
--- a/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/model/value/AbstractPropertyValueModelAdapter.java
+++ /dev/null
@@ -1,118 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2008, 2012 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.common.utility.internal.model.value;
-
-import org.eclipse.jpt.common.utility.model.value.PropertyValueModel;
-
-/**
- * This abstract class provides the infrastructure needed to wrap
- * a model, "lazily" listen to it, and convert
- * its change notifications into <em>property</em> value model change
- * notifications.
- * <p>
- * Subclasses must implement:<ul>
- * <li>{@link #buildValue()}<p>
- *     to return the current property value, as derived from the
- *     current state of the underlying model
- * <li>{@link #engageModel_()}<p>
- *     to start listening to the underlying (adapted) model
- * <li>{@link #disengageModel_()}<p>
- *     to stop listening to the underlying (adapted) model
- * </ul>
- * Subclasses can call {@link #propertyChanged()} whenever the calculated
- * value of the property changes (as determined by the subclass).
- * 
- * @param <V> the type of the model's value
- */
-public abstract class AbstractPropertyValueModelAdapter<V>
-	extends AbstractPropertyValueModel
-	implements PropertyValueModel<V>
-{
-	/**
-	 * Cache the current value so we can pass an "old value" when
-	 * we fire a property change event.
-	 * We need this because the value may be calculated and we may
-	 * not able to derive the "old value" from any fired events.
-	 */
-	protected volatile V value;
-
-
-	// ********** constructor/initialization **********
-
-	protected AbstractPropertyValueModelAdapter() {
-		super();
-		// our value is null when we are not listening to the model
-		this.value = null;
-	}
-
-
-	// ********** PropertyValueModel implementation **********
-
-	/**
-	 * Return the cached value.
-	 */
-	public V getValue() {
-		return this.value;
-	}
-
-
-	// ********** behavior **********
-
-	/**
-	 * Start listening to the underlying model and build the value.
-	 */
-	@Override
-	protected void engageModel() {
-		this.engageModel_();
-		// sync our value *after* we start listening to the model,
-		// since the model's value might change when a listener is added
-		this.value = this.buildValue();
-	}
-
-	/**
-	 * Start listening to the underlying model.
-	 */
-	protected abstract void engageModel_();
-
-	/**
-	 * Build and return the current value, as derived from the
-	 * current state of the underlying model.
-	 */
-	protected abstract V buildValue();
-
-	/**
-	 * Stop listening to the underlying model and clear the value.
-	 */
-	@Override
-	protected void disengageModel() {
-		this.disengageModel_();
-		// clear out our value when we are not listening to the model
-		this.value = null;
-	}
-
-	/**
-	 * Stop listening to the underlying model.
-	 */
-	protected abstract void disengageModel_();
-
-	/**
-	 * The underlying model changed in some fashion.
-	 * Recalculate the model's value and notify listeners.
-	 */
-	protected void propertyChanged() {
-		Object old = this.value;
-		this.firePropertyChanged(VALUE, old, this.value = this.buildValue());
-	}
-
-	@Override
-	public void toString(StringBuilder sb) {
-		sb.append(this.value);
-	}
-}