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