/* * 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; } }