| /* |
| * 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.merge; |
| |
| import java.io.Serializable; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| |
| import javax.persistence.CascadeType; |
| import javax.persistence.Column; |
| import javax.persistence.Entity; |
| import javax.persistence.FetchType; |
| import javax.persistence.Id; |
| import javax.persistence.IdClass; |
| import javax.persistence.JoinColumn; |
| import javax.persistence.JoinColumns; |
| import javax.persistence.ManyToOne; |
| import javax.persistence.OneToMany; |
| import javax.persistence.Table; |
| |
| @Entity |
| @IdClass(ChildPK.class) |
| @Table(name = "MRG_CHILD") |
| public class Child implements Serializable { |
| private static final long serialVersionUID = 1L; |
| |
| @Id |
| @JoinColumns({ @JoinColumn(name = "KEY_1", referencedColumnName = "KEY_1"), |
| @JoinColumn(name = "KEY_2", referencedColumnName = "KEY_2") }) |
| @ManyToOne |
| private Parent parent; |
| |
| @Id |
| @Column(name = "KEY_3") |
| private Integer childKey; |
| |
| @OneToMany(mappedBy = "child", orphanRemoval = true, cascade = CascadeType.ALL, fetch = FetchType.EAGER) |
| private Collection<GrandChild> grandChilds = new ArrayList<>(); |
| |
| public Parent getParent() { return parent; } |
| public void setParent(Parent parent) { this.parent = parent; } |
| public Integer getChildKey() { return childKey; } |
| public void setChildKey(Integer childKey) { this.childKey = childKey; } |
| public Collection<GrandChild> getGrandChilds() { return grandChilds; } |
| public void setGrandChilds(Collection<GrandChild> grandChilds) { this.grandChilds = grandChilds; } |
| @Override |
| public int hashCode() { |
| final int prime = 31; |
| int result = 1; |
| result = prime * result + ((childKey == null) ? 0 : childKey.hashCode()); |
| result = prime * result |
| + ((grandChilds == null) ? 0 : grandChilds.hashCode()); |
| result = prime * result + ((parent == null) ? 0 : parent.hashCode()); |
| return result; |
| } |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) |
| return true; |
| if (obj == null) |
| return false; |
| if (getClass() != obj.getClass()) |
| return false; |
| Child other = (Child) obj; |
| if (childKey == null) { |
| if (other.childKey != null) |
| return false; |
| } else if (!childKey.equals(other.childKey)) |
| return false; |
| if (grandChilds == null) { |
| if (other.grandChilds != null) |
| return false; |
| } else if (!grandChilds.equals(other.grandChilds)) |
| return false; |
| if (parent == null) { |
| if (other.parent != null) |
| return false; |
| } else if (!parent.equals(other.parent)) |
| return false; |
| return true; |
| } |
| } |