/*
* JBoss, Home of Professional Open Source
*
* Distributable under LGPL license.
* See terms of license at gnu.org.
*/
package com.jboss.dvd.seam;
import java.io.Serializable;
import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.OneToMany;
import javax.persistence.Table;
import javax.persistence.Transient;
@Entity
@Table(name="ORDERS")
public class Order
implements Serializable
{
private static final long serialVersionUID = -5451107485769007079L;
public enum Status {OPEN,CANCELLED,PROCESSING,SHIPPED}
public static BigDecimal TAX_RATE = new BigDecimal(".0825");
long orderId;
Date orderDate;
Customer customer;
BigDecimal netAmount = BigDecimal.ZERO;
BigDecimal tax = BigDecimal.ZERO;
BigDecimal totalAmount = BigDecimal.ZERO;
List<OrderLine> orderLines = new ArrayList<OrderLine>();
Status status = Status.OPEN;
String trackingNumber;
@Id @GeneratedValue
@Column(name="ORDERID")
public long getOrderId() {
return orderId;
}
public void setOrderId(long id) {
this.orderId = id;
}
@Column(name="ORDERDATE",nullable=false)
public Date getOrderDate() {
return orderDate;
}
public void setOrderDate(Date date) {
this.orderDate = date;
}
@Transient
public boolean isEmpty() {
return (orderLines == null) || (orderLines.size()==0);
}
@OneToMany(mappedBy="order", cascade=CascadeType.ALL)
public List<OrderLine> getOrderLines() {
return orderLines;
}
public void setOrderLines(List<OrderLine> lines) {
this.orderLines = lines;
}
public void addProduct(Product product, int quantity) {
for (OrderLine line: orderLines) {
if (product.getProductId() == line.getProduct().getProductId()) {
line.addQuantity(quantity);
return;
}
}
OrderLine line = new OrderLine();
line.setProduct(product);
line.setQuantity(quantity);
line.setOrder(this);
orderLines.add(line);
}
public void removeProduct(Product product) {
for (OrderLine line: orderLines) {
if (product.getProductId() == line.getProduct().getProductId()) {
orderLines.remove(line);
return;
}
}
}
@ManyToOne
@JoinColumn(name="USERID")
public Customer getCustomer() {
return customer;
}
public void setCustomer(Customer customer) {
this.customer = customer;
}
@Column(name="NETAMOUNT",nullable=false,precision=12,scale=2)
public BigDecimal getNetAmount() {
return netAmount;
}
public void setNetAmount(BigDecimal amount) {
this.netAmount = amount;
}
@Column(name="TAX",nullable=false,precision=12,scale=2)
public BigDecimal getTax() {
return tax;
}
public void setTax(BigDecimal amount) {
this.tax = amount;
}
@Column(name="TOTALAMOUNT",nullable=false,precision=12,scale=2)
public BigDecimal getTotalAmount() {
return totalAmount;
}
public void setTotalAmount(BigDecimal amount) {
this.totalAmount = amount;
}
@Column(name="TRACKING")
public String getTrackingNumber() {
return trackingNumber;
}
public void setTrackingNumber(String trackingNumber) {
this.trackingNumber = trackingNumber;
}
@Column(name="STATUS")
public Status getStatus() {
return status;
}
public void setStatus(Status status) {
this.status = status;
}
@Transient
public int getStatusCode() {
return status.ordinal();
}
public void calculateTotals() {
BigDecimal total = BigDecimal.ZERO;
int index = 1;
for (OrderLine line: orderLines) {
line.setPosition(index++);
total = total.add(line.getProduct().getPrice().multiply(new BigDecimal(line.getQuantity())));
}
setNetAmount(total);
setTax(round(getNetAmount().multiply(TAX_RATE)));
setTotalAmount(getNetAmount().add(getTax()));
}
public void cancel() {
setStatus(Status.CANCELLED);
}
public void process() {
setStatus(Status.PROCESSING);
}
public void ship(String tracking) {
setStatus(Status.SHIPPED);
setTrackingNumber(tracking);
}
/**
* round a positive big decimal to 2 decimal points
*/
private BigDecimal round(BigDecimal amount) {
return new BigDecimal(amount.movePointRight(2).add(new BigDecimal(".5")).toBigInteger()).movePointLeft(2);
}
@Transient
public boolean isOpen() {
return status == Status.OPEN;
}
}