serialization/src/model/Order.java

/*******************************************************************************
 * Copyright (c) 2011, 2012 Oracle and/or its affiliates. All rights reserved.
 * This program and the accompanying materials are made available under the 
 * terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0 
 * which accompanies this distribution. 
 * The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
 * and the Eclipse Distribution License is available at 
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * Contributors:
 *      Oracle - initial impl
 ******************************************************************************/
package model;

import java.io.Externalizable;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.io.Serializable;
import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.List;

import javax.persistence.*;
import javax.xml.bind.annotation.XmlAttribute;
import javax.xml.bind.annotation.XmlID;
import javax.xml.bind.annotation.XmlRootElement;

//import com.tangosol.io.pof.PofReader;
//import com.tangosol.io.pof.PofWriter;
//import com.tangosol.io.pof.PortableObject;

/**
 * Order
 * @author James Sutherland
 */
@Entity
@Table(name="PERF_ORDER")
@XmlRootElement
public class Order implements Serializable { //Externalizable {//, PortableObject {
    @Id
    @GeneratedValue(generator="ORD_SEQ")
    @TableGenerator(name="ORD_SEQ")
    @Column(name="ORDER_ID")
    @XmlID
    @XmlAttribute
    private long id;
    @Basic
    @XmlAttribute
    private String description;
    @Basic
    @XmlAttribute
    private BigDecimal totalCost = BigDecimal.valueOf(0);
    @OneToMany(mappedBy="order", fetch=FetchType.EAGER, cascade=CascadeType.ALL, orphanRemoval=true)
    @OrderBy("lineNumber")
    private List<OrderLine> orderLines = new ArrayList<OrderLine>();
    @ManyToOne(fetch=FetchType.EAGER, cascade=CascadeType.PERSIST)
    private Customer customer;

    public Order() {
    }
    
    /*public void readExternal(PofReader in) throws IOException {
        this.id = in.readLong(0);
        this.description = in.readString(1);
        this.totalCost = in.readBigDecimal(2);
        this.customer = (Customer)in.readObject(3);
        this.orderLines = (List)in.readCollection(4, new ArrayList());
    }

    public void writeExternal(PofWriter out) throws IOException {
        out.writeLong(0, this.id);
        out.writeString(1, this.description);
        out.writeBigDecimal(2, this.totalCost);
        out.writeObject(3, this.customer);
        out.writeCollection(4, this.orderLines);
    }*/

    public void readExternal(ObjectInput stream) throws IOException, ClassNotFoundException {
        this.id = stream.readLong();
        this.description = (String)stream.readObject();
        this.totalCost = (BigDecimal)stream.readObject();
        this.customer = (Customer)stream.readObject();
        this.orderLines = (List)stream.readObject();
    }

    public void writeExternal(ObjectOutput stream) throws IOException {
        stream.writeLong(this.id);
        stream.writeObject(this.description);
        stream.writeObject(this.totalCost);
        stream.writeObject(this.customer);
        stream.writeObject(this.orderLines);
    }

    public long getId() {
        return id;
    }

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

    public String getDescription() {
        return description;
    }

    public void setDescription(String description) {
        this.description = description;
    }

    public BigDecimal getTotalCost() {
        return totalCost;
    }

    public void setTotalCost(BigDecimal totalCost) {
        this.totalCost = totalCost;
    }

    public List<OrderLine> getOrderLines() {
        return orderLines;
    }

    public void setOrderLines(List<OrderLine> orderLines) {
        this.orderLines = orderLines;
    }

    public Customer getCustomer() {
        return customer;
    }

    public void setCustomer(Customer customer) {
        this.customer = customer;
    }
    
    /**
     * Add the order line to the order, and set the back reference and update the order cost.
     */
    public void addOrderLine(OrderLine orderLine) {
        orderLine.setOrder(this);
        getOrderLines().add(orderLine);
        orderLine.setLineNumber(getOrderLines().size());
        setTotalCost(getTotalCost().add(orderLine.getCost()));
    }
}