| /******************************************************************************* |
| * 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; |
| /* |
| |
| |
| */ |
| |
| import java.beans.*; |
| /** |
| * IndexedPropertyDescriptor equality tester |
| */ |
| public class IndexedPropertyDescriptorEquality extends PropertyDescriptorEquality { |
| |
| static void INIT() { |
| try { |
| MAP_EQUALITY.put(IndexedPropertyDescriptor.class, (IndexedPropertyDescriptorEquality.class).getConstructor(new Class[] {PropertyDescriptor.class})); |
| MAP_EQUALITY.put(PropertyDescriptor.class, (IndexedPropertyDescriptorEquality.class).getConstructor(new Class[] {PropertyDescriptor.class})); |
| } catch (NoSuchMethodException e) { |
| } |
| } |
| |
| public IndexedPropertyDescriptorEquality() { |
| } |
| |
| public IndexedPropertyDescriptorEquality(PropertyDescriptor 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(); |
| if (fFeature instanceof IndexedPropertyDescriptor) { |
| IndexedPropertyDescriptor pd = (IndexedPropertyDescriptor) fFeature; |
| |
| int hc = pd.getIndexedPropertyType().hashCode(); |
| |
| if (pd.getIndexedReadMethod() != null) |
| hc += pd.getIndexedReadMethod().hashCode(); |
| if (pd.getIndexedWriteMethod() != null) |
| hc += pd.getIndexedWriteMethod().hashCode(); |
| return hashcode*31 + hc; |
| } else |
| return hashcode; |
| } |
| |
| public boolean equals(Object obj) { |
| if (!(obj instanceof FeatureDescriptorEquality)) |
| return false; |
| if (identityTest(obj)) |
| return true; |
| if (fFeature.getClass() != ((FeatureDescriptorEquality) obj).fFeature.getClass()) |
| return false; // If they aren't both PropertyDesciptors or IndexedPropertyDescriptors, then they don't match. |
| if (!super.equals(obj)) |
| return false; |
| |
| if (fFeature instanceof IndexedPropertyDescriptor) { |
| IndexedPropertyDescriptor op = (IndexedPropertyDescriptor) ((FeatureDescriptorEquality) obj).fFeature; |
| IndexedPropertyDescriptor fp = (IndexedPropertyDescriptor) fFeature; |
| |
| if (op.getIndexedPropertyType() != fp.getIndexedPropertyType()) |
| return false; |
| if (op.getIndexedReadMethod() != fp.getIndexedReadMethod()) |
| return false; |
| if (op.getIndexedWriteMethod() != fp.getIndexedWriteMethod()) |
| return false; |
| } |
| |
| return true; |
| } |
| |
| |
| |
| |
| } |