| /******************************************************************************* |
| * 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.*; |
| /** |
| * PropertyDescriptor equality tester |
| */ |
| public abstract class PropertyDescriptorEquality extends FeatureDescriptorEquality { |
| |
| public PropertyDescriptorEquality() { |
| } |
| |
| public PropertyDescriptorEquality(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(); |
| PropertyDescriptor pd = (PropertyDescriptor) fFeature; |
| int hc = 0; |
| if (pd.getPropertyEditorClass() != null) |
| hc += pd.getPropertyEditorClass().hashCode(); |
| if (pd.getPropertyType() != null) |
| hc += pd.getPropertyType().hashCode(); |
| if (pd.getReadMethod() != null) |
| hc += pd.getReadMethod().hashCode(); |
| if (pd.getWriteMethod() != null) |
| hc += pd.getWriteMethod().hashCode(); |
| |
| hc += (pd.isBound() ? Boolean.TRUE : Boolean.FALSE).hashCode(); |
| hc += (pd.isConstrained() ? Boolean.TRUE : Boolean.FALSE).hashCode(); |
| |
| return hashcode*31 + hc; |
| } |
| |
| public boolean equals(Object obj) { |
| if (identityTest(obj)) |
| return true; |
| |
| if (!super.equals(obj)) |
| return false; |
| |
| PropertyDescriptor op = (PropertyDescriptor) ((FeatureDescriptorEquality) obj).fFeature; |
| PropertyDescriptor fp = (PropertyDescriptor) fFeature; |
| |
| if (op.getPropertyEditorClass() != fp.getPropertyEditorClass()) |
| return false; |
| if (op.getReadMethod() != fp.getReadMethod()) |
| return false; |
| if (op.getWriteMethod() != fp.getWriteMethod()) |
| return false; |
| if (op.isBound() != fp.isBound()) |
| return false; |
| if (op.isConstrained() != fp.isConstrained()) |
| return false; |
| |
| return true; |
| } |
| |
| |
| } |