| /******************************************************************************* |
| * Copyright (c) 2001, 2005 IBM Corporation and others. |
| * 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jem.internal.beaninfo.vm; |
| /* |
| * $RCSfile: BeanDescriptorEquality.java,v $ |
| * $Revision: 1.4 $ $Date: 2005/08/24 20:31:29 $ |
| */ |
| |
| import java.beans.*; |
| /** |
| * Equality tester for BeanDescriptors |
| */ |
| public class BeanDescriptorEquality extends FeatureDescriptorEquality { |
| static void INIT() { |
| try { |
| MAP_EQUALITY.put(BeanDescriptor.class, (BeanDescriptorEquality.class).getConstructor(new Class[] {BeanDescriptor.class})); |
| } catch (NoSuchMethodException e) { |
| } |
| } |
| |
| /** |
| * Constructor for BeanDescriptorEquality. |
| */ |
| public BeanDescriptorEquality() { |
| super(); |
| } |
| |
| |
| public BeanDescriptorEquality(BeanDescriptor descr) { |
| super(descr); |
| } |
| |
| /** |
| * Calculate the hashcode for the current feature, add this |
| * to the hashcode received from super.calculateHashCode |
| * and return the new value. |
| * |
| * NOTE: for subclasses, it is MANDITORY that the first line be: |
| * int hashcode = super.calculateHashCode(); |
| * and the last line be: |
| * return hashcode*31 + (your calculated hashcode for just this subclass); |
| */ |
| protected int calculateHashCode() { |
| int hashcode = super.calculateHashCode(); |
| BeanDescriptor bd = (BeanDescriptor) fFeature; |
| int hc = bd.getBeanClass().hashCode(); |
| if (bd.getCustomizerClass() != null) |
| hc += bd.getCustomizerClass().hashCode(); |
| |
| return hashcode*31 + hc; |
| } |
| |
| public boolean equals(Object obj) { |
| if (identityTest(obj)) |
| return true; |
| if (!super.equals(obj)) |
| return false; |
| |
| BeanDescriptor ob = (BeanDescriptor) ((FeatureDescriptorEquality) obj).fFeature; |
| BeanDescriptor fb = (BeanDescriptor) fFeature; |
| |
| if (ob.getBeanClass() != fb.getBeanClass()) |
| return false; |
| if (ob.getCustomizerClass() != fb.getCustomizerClass()) |
| return false; |
| |
| return true; |
| } |
| } |