Customer.java

/*
 * 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 javax.persistence.*;

import java.io.Serializable;
import java.util.Collection;
import java.util.ArrayList;
@Entity
public class Customer {

    @Embeddable
    public static class CustomerKey implements Serializable {
        public String countryCode;
        public int id;

        public CustomerKey(){}

        public  CustomerKey(String cc, int id){
            countryCode=cc;
            this.id=id;
        }

        public String toString() {
            return countryCode+"/"+id;
        }
        
        @Override
        public boolean equals(Object obj){
            if (obj==this) return true;
            if ( ! (obj instanceof CustomerKey) ) return false;
            CustomerKey key = (CustomerKey)obj;
            if (key.countryCode.equals(this.countryCode) && 
                    key.id==this.id) return true;
            return false;
        }

        @Override
        public int hashCode() {
            return this.countryCode.hashCode()
            ^ this.id;
        }
    }

    public enum CreditRating { POOR, GOOD, EXCELLENT };

    @EmbeddedId
    CustomerKey cid;
    @Column(length=30)
    @Basic(fetch=FetchType.LAZY)
    String name;
    @Enumerated
    @Basic(fetch=FetchType.LAZY)
    CreditRating creditRating;
    @Version
    long version;

    @OneToMany(fetch=FetchType.LAZY, mappedBy="customer", orphanRemoval=true)
    private Collection<Order> orders = new ArrayList<Order>();

    public Customer() {}

    public Customer(CustomerKey cid, String name, CreditRating rating){
        this.cid=cid;
        this.name=name;
        this.creditRating=rating;
    }

    public String getName() {
        return name;
    }

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

    public CreditRating getRating() {
        return creditRating;
    }

    public void setRating(CreditRating rating) {
        this.creditRating = rating;
    }

    public Collection<Order> getOrders() {
        return orders;
    }
    
    public void setOrders(Collection<Order> orders) {
        this.orders = orders;
    }
    
    public String toString() {
        return "Customer:"+cid+" name:"+name; 
    }

    public CustomerKey getCid() {
        return cid;
    }

    public void setCid(CustomerKey cid) {
        this.cid = cid;
    }
}