/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.openjpa.util;
/**
* Identity type appropriate for object primary key fields and shared
* id classes.
*
* @author Abe White
*/
public final class ObjectId
extends OpenJPAId {
private Object _key;
public ObjectId(Class cls, Object key) {
super(cls);
_key = key;
}
public ObjectId(Class cls, Object key, boolean subs) {
super(cls, subs);
_key = key;
}
public Object getId() {
return _key;
}
/**
* Allow utilities in this package to mutate id.
*/
void setId(Object id) {
_key = id;
}
public Object getIdObject() {
return _key;
}
protected int idHash() {
return (_key == null) ? 0 : _key.hashCode();
}
protected boolean idEquals(OpenJPAId o) {
Object key = ((ObjectId) o)._key;
return (_key == null) ? key == null : _key.equals(key);
}
}