/*
 * 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.lockmgr;

import java.io.Externalizable;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.util.Collection;

import javax.persistence.CascadeType;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.OneToMany;

@Entity
public class Department implements Externalizable {

    private int id;

    private String name;

    private Collection<Employee> employees;

    @OneToMany(cascade=CascadeType.ALL, mappedBy="department")
    public Collection<Employee> getEmployees() {
        return employees;
    }

    @Id
    public int getId() {
        return id;
    }

    public void setId(int id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String toString() {
        return this.getClass().getName() + '@'
            + Integer.toHexString(System.identityHashCode(this)) + "[id="
            + getId() + "] first=" + getName();
    }

    public void readExternal(ObjectInput in) throws IOException,
        ClassNotFoundException {
        id = in.readInt();
        name = (String) in.readObject();
    }

    public void writeExternal(ObjectOutput out) throws IOException {
        out.writeInt(id);
        out.writeObject(name);
    }
}