| /* |
| * 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.relations; |
| |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| import javax.persistence.CascadeType; |
| import javax.persistence.Entity; |
| import javax.persistence.FetchType; |
| import javax.persistence.Id; |
| import javax.persistence.IdClass; |
| import javax.persistence.ManyToOne; |
| import javax.persistence.OneToMany; |
| import javax.persistence.Table; |
| |
| import org.apache.openjpa.persistence.jdbc.ForeignKey; |
| |
| @Entity |
| @IdClass(CM.CMId.class) |
| @Table(name="CM4") |
| public class CM { |
| |
| @Id |
| private String cmId; |
| |
| @OneToMany(cascade=CascadeType.ALL, fetch=FetchType.LAZY, mappedBy="cm") |
| private Set<C> cs = new HashSet<C>(); |
| |
| @ManyToOne |
| @ForeignKey |
| @Id |
| private E e; |
| |
| public CM() { |
| } |
| |
| public String getCmId() { |
| return cmId; |
| } |
| |
| public void setCmId(String cmId) { |
| this.cmId = cmId; |
| } |
| |
| public Set<C> getCs() { |
| return cs; |
| } |
| |
| public void setCs(Set<C> cs) { |
| this.cs = cs; |
| } |
| |
| public void addC(C c){ |
| cs.add(c); |
| c.setCm(this); |
| } |
| |
| public E getE() { |
| return e; |
| } |
| |
| public void setE(E e) { |
| this.e = e; |
| } |
| |
| public static class CMId{ |
| private String cmId; |
| private String e; |
| |
| public String getCmId() { |
| return cmId; |
| } |
| public void setCmId(String id) { |
| cmId = id; |
| } |
| |
| public String getE() { |
| return e; |
| } |
| public void setE(String e) { |
| this.e = e; |
| } |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) |
| return true; |
| if (obj == null && ! (obj instanceof CMId)) |
| return false; |
| CMId id = (CMId) obj; |
| return ( this.getCmId() == id.getCmId() || |
| (this.getCmId() != null && this.getCmId().equals(id.getCmId()))) |
| && ( this.getE() == id.getE() || (this.getE() != null && |
| this.getE().equals(id.getE()))); |
| } |
| |
| @Override |
| public int hashCode() { |
| return (this.getCmId() != null? this.getCmId().hashCode():0) |
| ^ (this.getE()!= null ? this.getE().hashCode():0); |
| } |
| } |
| |
| } |