/* | |
* 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 = "department.employees", | |
attributes = @FetchAttribute(name = "employees")), | |
@FetchGroup(name = "department.company", | |
attributes = @FetchAttribute(name = "company")) | |
}) | |
public class PCDepartment { | |
private String name; | |
@ManyToOne(fetch = FetchType.LAZY, cascade = CascadeType.PERSIST) | |
private PCCompany company; | |
@ManyToMany(cascade = CascadeType.PERSIST) | |
private Set<PCEmployee> employees; | |
public PCDepartment() { | |
super(); | |
} | |
public PCDepartment(String name) { | |
super(); | |
setName(name); | |
} | |
public PCCompany getCompany() { | |
return company; | |
} | |
public void setCompany(PCCompany company) { | |
this.company = company; | |
} | |
public String getName() { | |
return name; | |
} | |
public void setName(String name) { | |
this.name = name; | |
} | |
public Set getEmployees() { | |
return employees; | |
} | |
public void setEmployees(Set employees) { | |
this.employees = employees; | |
} | |
public void addEmployee(PCEmployee emp) { | |
if (employees == null) | |
employees = new HashSet(); | |
employees.add(emp); | |
emp.setDepartment(this); | |
} | |
public boolean contains(PCEmployee emp) { | |
return employees != null && employees.contains(emp); | |
} | |
public static Object reflect(PCDepartment instance, String name) { | |
if (instance == null) | |
return null; | |
try { | |
return PCDepartment.class.getDeclaredField(name).get(instance); | |
} catch (Exception e) { | |
throw new RuntimeException(e); | |
} | |
} | |
} |