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/*
* Copyright 2005-2010 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.wamblee.general;
/**
* This class provided an equality operation based on the object reference of
* the wrapped object. This is required because we cannto assume that the equals
* operation has any meaning for different types of persistent objects. This
* allows us to use the standard collection classes for detecting cyclic
* dependences and avoiding recursion.
*/
public class ObjectElem {
private Object object;
/**
* Constructs the wrapper.
*
* @param aObject
* Object.
*/
public ObjectElem(Object aObject) {
object = aObject;
}
public boolean equals(Object aObj) {
if (aObj == null) {
return false;
}
if (!(aObj instanceof ObjectElem)) {
return false;
}
return ((ObjectElem) aObj).object == object;
}
public int hashCode() {
return object.hashCode();
}
}