| /* |
| * 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.enhance.identity; |
| |
| import java.io.Serializable; |
| import java.util.HashSet; |
| import java.util.Set; |
| import javax.persistence.CascadeType; |
| import javax.persistence.Column; |
| import javax.persistence.Entity; |
| import javax.persistence.Id; |
| import javax.persistence.IdClass; |
| import javax.persistence.ManyToOne; |
| import javax.persistence.OneToMany; |
| |
| import org.apache.openjpa.persistence.jdbc.VersionColumn; |
| |
| /** |
| * Entity used to test compound primary keys using entity as relationship to |
| * more than one level. |
| * |
| * Test case and domain classes were originally part of the reported issue |
| * <A href="https://issues.apache.org/jira/browse/OPENJPA-207">OPENJPA-207</A> |
| * |
| * @author Jeffrey Blattman |
| * @author Pinaki Poddar |
| * |
| */ |
| @Entity |
| @IdClass(BookId.class) |
| @VersionColumn |
| public class Book implements Serializable { |
| @Id |
| @Column(name="BOOK_NAME", nullable = false) |
| private String name; |
| |
| @OneToMany(cascade = CascadeType.ALL, mappedBy = "book") |
| private Set<Page> pages = new HashSet<Page>(); |
| |
| @Id |
| @Column(nullable = false) |
| @ManyToOne (cascade = CascadeType.ALL) |
| private Library library; |
| |
| private String author; |
| |
| public String getName() { |
| return name; |
| } |
| |
| public void setName(String name) { |
| this.name = name; |
| } |
| |
| public Library getLibrary() { |
| return library; |
| } |
| |
| public void setLibrary(Library library) { |
| this.library = library; |
| } |
| |
| public Page getPage(int n) { |
| for (Page p: pages) { |
| if (p.getNumber() == n) { |
| return p; |
| } |
| } |
| return null; |
| } |
| |
| public void addPage(Page p) { |
| p.setBook(this); |
| pages.add(p); |
| } |
| |
| public String getAuthor() { |
| return author; |
| } |
| |
| public void setAuthor(String author) { |
| this.author = author; |
| } |
| |
| public boolean equals(Object o) { |
| if (!(o instanceof Book)) { |
| return false; |
| } |
| |
| Book other = (Book)o; |
| |
| if (!getName().equals(other.getName())) { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| public int hashCode() { |
| return getName().hashCode(); |
| } |
| } |