1 /*******************************************************************************
2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
4 * All rights reserved. This program and the accompanying materials
5 * are made available under the terms of the Eclipse Public License v1.0
6 * which accompanies this distribution, and is available at
7 * http://www.eclipse.org/legal/epl-v10.html
10 * VTT Technical Research Centre of Finland - initial API and implementation
11 *******************************************************************************/
12 package org.simantics.g2d.image.impl;
14 import org.simantics.g2d.image.Image;
15 import org.simantics.utils.datastructures.cache.IProvider;
17 public abstract class AbstractProviderProxy implements IProvider<Image> {
18 protected IProvider<Image> source;
19 AbstractProviderProxy(IProvider<Image> source) {
23 public int hashCode() {
24 return source.hashCode() + getClass().hashCode();
27 public boolean equals(Object obj) {
28 if (obj == null) return false;
29 if (!obj.getClass().equals(getClass())) return false;
30 return ((AbstractProviderProxy)obj).source.equals(source);