org.apache.openjpa.util.LongId Maven / Gradle / Ivy
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* 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;
/**
* {@link OpenJPAId} subclass appropriate for long fields.
*
* @author Steve Kim
*/
public final class LongId extends OpenJPAId {
private final long key;
public LongId(Class cls, Long key) {
this(cls, (key == null) ? 0L : key.longValue());
}
public LongId(Class cls, String key) {
this(cls, (key == null) ? 0L : Long.parseLong(key));
}
public LongId(Class cls, long key) {
super(cls);
this.key = key;
}
public LongId(Class cls, long key, boolean subs) {
super(cls, subs);
this.key = key;
}
public long getId() {
return key;
}
public Object getIdObject() {
return key;
}
protected int idHash() {
return (int) (key ^ (key >>> 32));
}
protected boolean idEquals(OpenJPAId o) {
return key == ((LongId) o).key;
}
}