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Diffstat (limited to 'common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/model/value/StatePropertyValueModelAdapter.java')
-rw-r--r--common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/model/value/StatePropertyValueModelAdapter.java96
1 files changed, 0 insertions, 96 deletions
diff --git a/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/model/value/StatePropertyValueModelAdapter.java b/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/model/value/StatePropertyValueModelAdapter.java
deleted file mode 100644
index 6d179ffa63..0000000000
--- a/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/model/value/StatePropertyValueModelAdapter.java
+++ /dev/null
@@ -1,96 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2008, 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.common.utility.internal.model.value;
-
-import org.eclipse.jpt.common.utility.model.Model;
-import org.eclipse.jpt.common.utility.model.event.StateChangeEvent;
-import org.eclipse.jpt.common.utility.model.listener.StateChangeListener;
-
-/**
- * This abstract class provides the infrastructure needed to wrap
- * a model, "lazily" listen to it, and convert
- * its state change notifications into property value model change
- * notifications.
- * <p>
- * Subclasses must implement:<ul>
- * <li>{@link #buildValue()}<p>
- * to return the current property value, as derived from the
- * current model
- * </ul>
- * Subclasses might want to override the following methods
- * to improve performance (by not recalculating the value, if possible):<ul>
- * <li>{@link #stateChanged(StateChangeEvent event)}
- * </ul>
- */
-public abstract class StatePropertyValueModelAdapter<T>
- extends AbstractPropertyValueModelAdapter<T>
-{
- /** The wrapped model. */
- protected final Model model;
-
- /** A listener that allows us to synch with changes to the wrapped model. */
- protected final StateChangeListener stateChangeListener;
-
-
- // ********** constructor/initialization **********
-
- /**
- * Construct a property value model with the specified wrapped model.
- */
- protected StatePropertyValueModelAdapter(Model model) {
- super();
- this.model = model;
- this.stateChangeListener = this.buildStateChangeListener();
- }
-
- protected StateChangeListener buildStateChangeListener() {
- return new StateChangeListener() {
- public void stateChanged(StateChangeEvent event) {
- StatePropertyValueModelAdapter.this.stateChanged(event);
- }
- @Override
- public String toString() {
- return "state change listener"; //$NON-NLS-1$
- }
- };
- }
-
-
- // ********** behavior **********
-
- /**
- * Start listening to the model.
- */
- @Override
- protected void engageModel_() {
- this.model.addStateChangeListener(this.stateChangeListener);
- }
-
- /**
- * Stop listening to the model.
- */
- @Override
- protected void disengageModel_() {
- this.model.removeStateChangeListener(this.stateChangeListener);
- }
-
-
- // ********** state change support **********
-
- /**
- * The model's state changed;
- * propagate the change notification appropriately.
- */
- protected void stateChanged(@SuppressWarnings("unused") StateChangeEvent event) {
- // by default, simply recalculate the value and fire an event
- this.propertyChanged();
- }
-
-}

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