| /* |
| * 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.meta; |
| |
| import javax.persistence.Column; |
| import javax.persistence.Entity; |
| import javax.persistence.Id; |
| import javax.persistence.IdClass; |
| import javax.persistence.ManyToOne; |
| import javax.persistence.Table; |
| |
| import org.apache.openjpa.meta.C.Identity; |
| |
| @Entity |
| @IdClass(Identity.class) |
| @Table(name="meta_C") |
| public class C { |
| private A a; |
| private B b; |
| private long num; |
| |
| @ManyToOne(optional = false) |
| @Column(nullable = false) |
| public A getA() { |
| return a; |
| } |
| |
| public void setA(A a) { |
| this.a = a; |
| } |
| |
| @Id |
| @ManyToOne(optional = false) |
| @Column(nullable = false) |
| public B getB() { |
| return b; |
| } |
| |
| public void setB(B b) { |
| this.b = b; |
| } |
| |
| @Id |
| public long getNum() { |
| return num; |
| } |
| |
| public void setNum(long num) { |
| this.num = num; |
| } |
| |
| public static class Identity { |
| private String b; |
| private long num; |
| |
| @Override |
| public int hashCode() { |
| return b.hashCode() * 17 + (int) num; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| return obj != null && (obj instanceof Identity) |
| && b.equals(((Identity) obj).b) && num == ((Identity) obj).num; |
| } |
| |
| public String getB() { |
| return b; |
| } |
| |
| public void setB(B b) { |
| this.b = b.getId(); |
| } |
| |
| public void setB(String b) { |
| this.b = b; |
| } |
| |
| public long getNum() { |
| return num; |
| } |
| |
| public void setNum(long num) { |
| this.num = num; |
| } |
| } |
| } |