| /* |
| * 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.kernel.common.apps; |
| |
| import java.util.HashSet; |
| import java.util.Set; |
| import javax.persistence.CascadeType; |
| import javax.persistence.Entity; |
| import javax.persistence.FetchType; |
| import javax.persistence.ManyToMany; |
| import javax.persistence.ManyToOne; |
| |
| import org.apache.openjpa.persistence.FetchAttribute; |
| import org.apache.openjpa.persistence.FetchGroup; |
| import org.apache.openjpa.persistence.FetchGroups; |
| |
| /** |
| * @author <A HREF="mailto:pinaki.poddar@gmail.com>Pinaki Poddar</A> |
| */ |
| @Entity |
| @FetchGroups({ |
| @FetchGroup(name = "detail+children-names", fetchGroups = "detail"), |
| @FetchGroup(name = "detail", fetchGroups = "default", |
| attributes = @FetchAttribute(name = "address")), |
| @FetchGroup(name = "detail+children-list", fetchGroups = "detail", |
| attributes = @FetchAttribute(name = "children")), |
| @FetchGroup(name = "person.address", |
| attributes = @FetchAttribute(name = "address")) |
| }) |
| public class PCPerson { |
| |
| private String name; |
| |
| @ManyToOne(fetch = FetchType.LAZY, cascade = CascadeType.PERSIST) |
| private PCAddress address; |
| |
| @ManyToOne(fetch = FetchType.LAZY, cascade = CascadeType.PERSIST) |
| private PCPerson parent; |
| |
| @ManyToMany(cascade = CascadeType.PERSIST) |
| private Set<PCPerson> children; |
| |
| protected PCPerson() { |
| super(); |
| } |
| |
| public PCPerson(String name) { |
| setName(name); |
| } |
| |
| public PCAddress getAddress() { |
| return address; |
| } |
| |
| public void setAddress(PCAddress address) { |
| this.address = address; |
| } |
| |
| public Set getChildren() { |
| return children; |
| } |
| |
| public void setChildren(Set children) { |
| this.children = children; |
| } |
| |
| public void addChildren(PCPerson child) { |
| if (children == null) |
| children = new HashSet(); |
| children.add(child); |
| } |
| |
| public String getName() { |
| return name; |
| } |
| |
| public void setName(String name) { |
| this.name = name; |
| } |
| |
| public PCPerson getParent() { |
| return parent; |
| } |
| |
| public void setParent(PCPerson parent) { |
| this.parent = parent; |
| } |
| |
| public static Object reflect(PCPerson instance, String name) { |
| if (instance == null) |
| return null; |
| try { |
| return PCPerson.class.getDeclaredField(name).get(instance); |
| } catch (Exception e) { |
| throw new RuntimeException(e); |
| } |
| } |
| } |