org.apache.openjpa.util.DoubleId Maven / Gradle / Ivy
/*
* 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 double fields.
*
* @author Abe White
*/
public final class DoubleId
extends OpenJPAId {
private final double key;
public DoubleId(Class cls, Double key) {
this(cls, (key == null) ? 0D : key.doubleValue());
}
public DoubleId(Class cls, String key) {
this(cls, (key == null) ? 0D : Double.parseDouble(key));
}
public DoubleId(Class cls, double key) {
super(cls);
this.key = key;
}
public DoubleId(Class cls, double key, boolean subs) {
super(cls, subs);
this.key = key;
}
public double getId() {
return key;
}
public Object getIdObject() {
return Double.valueOf(key);
}
public String toString() {
return Double.toString(key);
}
protected int idHash() {
return (int) (Double.doubleToLongBits(key)
^ (Double.doubleToLongBits(key) >>> 32));
}
protected boolean idEquals(OpenJPAId o) {
return key == ((DoubleId) o).key;
}
}