| /* |
| * 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.persistence.criteria; |
| |
| /** |
| * A class is used as an identifier to {@link EntityWithIdClass another persistent entity}. |
| * <br> |
| * The type and name of the declared fields of this class and the identifier fields declared |
| * in the persistent entity must be compatiable. |
| * <br> |
| * This class also must implement its <tt>equals()</tt> and <tt>hashCode()</tt> methods |
| * properly i.e. involving the declared fields. Otherwise a JPA runtime will not work |
| * properly. |
| * |
| * @author Pinaki Poddar |
| * |
| */ |
| public class IdTestClass { |
| String name; |
| long ssn; |
| |
| @Override |
| public int hashCode() { |
| final int prime = 31; |
| int result = 1; |
| result = prime * result + ((name == null) ? 0 : name.hashCode()); |
| result = prime * result + (int) (ssn ^ (ssn >>> 32)); |
| return result; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) |
| return true; |
| if (obj == null) |
| return false; |
| if (getClass() != obj.getClass()) |
| return false; |
| IdTestClass other = (IdTestClass) obj; |
| if (name == null) { |
| if (other.name != null) |
| return false; |
| } else if (!name.equals(other.name)) |
| return false; |
| if (ssn != other.ssn) |
| return false; |
| return true; |
| } |
| } |