| /** |
| * |
| * Copyright (c) 2015 - 2016 - Loetz GmbH&Co.KG, 69115 Heidelberg, Germany |
| * |
| * 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: |
| * Loetz GmbH&Co.KG - Initial implementation |
| * |
| */ |
| package org.eclipse.osbp.ecview.extension.presentation.tests.strategy; |
| |
| import java.beans.PropertyChangeListener; |
| import java.beans.PropertyChangeSupport; |
| import java.io.Serializable; |
| |
| @SuppressWarnings("serial") |
| public class Bar implements Serializable { |
| private PropertyChangeSupport propertyChangeSupport = new PropertyChangeSupport( |
| this); |
| |
| private boolean disposed; |
| |
| private String name; |
| |
| private Foo myfoo; |
| |
| /** |
| * Returns true, if the object is disposed. Disposed means, that it is |
| * prepared for garbage collection and may not be used anymore. Accessing |
| * objects that are already disposed will cause runtime exceptions. |
| */ |
| public boolean isDisposed() { |
| return this.disposed; |
| } |
| |
| /** |
| * @see PropertyChangeSupport#addPropertyChangeListener(PropertyChangeListener) |
| */ |
| public void addPropertyChangeListener(final PropertyChangeListener listener) { |
| propertyChangeSupport.addPropertyChangeListener(listener); |
| } |
| |
| /** |
| * @see PropertyChangeSupport#addPropertyChangeListener(String, |
| * PropertyChangeListener) |
| */ |
| public void addPropertyChangeListener(final String propertyName, |
| final PropertyChangeListener listener) { |
| propertyChangeSupport.addPropertyChangeListener(propertyName, listener); |
| } |
| |
| /** |
| * @see PropertyChangeSupport#removePropertyChangeListener(PropertyChangeListener) |
| */ |
| public void removePropertyChangeListener( |
| final PropertyChangeListener listener) { |
| propertyChangeSupport.removePropertyChangeListener(listener); |
| } |
| |
| /** |
| * @see PropertyChangeSupport#removePropertyChangeListener(String, |
| * PropertyChangeListener) |
| */ |
| public void removePropertyChangeListener(final String propertyName, |
| final PropertyChangeListener listener) { |
| propertyChangeSupport.removePropertyChangeListener(propertyName, |
| listener); |
| } |
| |
| /** |
| * @see PropertyChangeSupport#firePropertyChange(String, Object, Object) |
| */ |
| public void firePropertyChange(final String propertyName, |
| final Object oldValue, final Object newValue) { |
| propertyChangeSupport.firePropertyChange(propertyName, oldValue, |
| newValue); |
| } |
| |
| /** |
| * Checks whether the object is disposed. |
| * |
| * @throws RuntimeException |
| * if the object is disposed. |
| */ |
| private void checkDisposed() { |
| if (isDisposed()) { |
| throw new RuntimeException("Object already disposed: " + this); |
| } |
| } |
| |
| /** |
| * Calling dispose will destroy that instance. The internal state will be |
| * set to 'disposed' and methods of that object must not be used anymore. |
| * Each call will result in runtime exceptions. |
| * If this object keeps composition containments, these will be disposed |
| * too. So the whole composition containment tree will be disposed on |
| * calling this method. |
| */ |
| public void dispose() { |
| if (isDisposed()) { |
| return; |
| } |
| disposed = true; |
| } |
| |
| /** |
| * Returns the name property or <code>null</code> if not present. |
| */ |
| public String getName() { |
| checkDisposed(); |
| return this.name; |
| } |
| |
| /** |
| * Sets the <code>name</code> property to this instance. |
| * |
| * @param name |
| * - the property |
| * @throws RuntimeException |
| * if instance is <code>disposed</code> |
| * |
| */ |
| public void setName(final String name) { |
| firePropertyChange("name", this.name, this.name = name); |
| } |
| |
| /** |
| * Returns the myfoo property or <code>null</code> if not present. |
| */ |
| public Foo getMyfoo() { |
| checkDisposed(); |
| return this.myfoo; |
| } |
| |
| /** |
| * Sets the <code>myfoo</code> property to this instance. |
| * Since the reference has an opposite reference, the opposite <code>foo# |
| * mybars</code> of the <code>myfoo</code> will be handled automatically and no |
| * further coding is required to keep them in sync.<p> |
| * See {@link foo#setMybars(foo) |
| * |
| * @param myfoo - the property |
| * @throws RuntimeException if instance is <code>disposed</code> |
| * |
| */ |
| public void setMyfoo(final Foo myfoo) { |
| checkDisposed(); |
| if (this.myfoo != null) { |
| this.myfoo.internalRemoveFromMybars(this); |
| } |
| internalSetMyfoo(myfoo); |
| if (this.myfoo != null) { |
| this.myfoo.internalAddToMybars(this); |
| } |
| |
| } |
| |
| /** |
| * For internal use only! |
| */ |
| public void internalSetMyfoo(final Foo myfoo) { |
| firePropertyChange("myfoo", this.myfoo, this.myfoo = myfoo); |
| } |
| } |