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package examples.shop.impl.entity;
import java.sql.Timestamp;
import java.util.Iterator;
import java.util.List;
import javax.persistence.CascadeType;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.OneToMany;
import javax.persistence.Table;
/**
* This entity represents an order placed for goods.
*
* Note: This entity could easily be extended to include other things, such as:
* <ul>
* <li>Shipping charges
* <li>Shipping address vs. Billing address
* <li>A date which this order is scheduled to be completed/shipped.
* </ul>
*/
@Entity
@Table(name = "ORDERS")
public class Order {
public enum Status {
Submitted, Unverified, Approved, Shipping, Delivered, Returned
};
private String orderId;
private List<LineItem> lineItems;
private Customer customer;
private Timestamp orderDate;
private Status status;
private double taxes;
private double subTotal;
/**
* This order's identification number. It's also our Primary Key.
*
* @return order id
*/
@Id
public String getOrderID() {
return orderId;
}
/**
* Sets the order id of an order
*/
public void setOrderID(String id) {
orderId = id;
}
/**
* This represents a one-to-many relationship to the
* line items in the order. Persisting the order cascades
* to the line items.
*
* @return the set of order line items
*/
@OneToMany(cascade = CascadeType.PERSIST)
public List<LineItem> getLineItems() {
return lineItems;
}
/**
* Sets set of the order line items
*/
public void setLineItems(List<LineItem> lineItems) {
this.lineItems = lineItems;
}
/**
* @returns the Customer who placed this Order.
*/
public Customer getCustomer() {
return customer;
}
/**
* set customer who placed this order.
*/
public void setCustomer(Customer customer) {
this.customer = customer;
}
/**
* Returns the date this order was placed.
*/
public Timestamp getOrderDate() {
return orderDate;
}
/**
* Sets the date this order
*/
public void setOrderDate(Timestamp orderDate) {
this.orderDate = orderDate;
}
/**
* @return status information about the order.
*/
public Status getStatus() {
return status;
}
/**
* Sets status information about the order.
*/
public void setStatus(Status status) {
this.status = status;
}
/**
* Sets the subtotal of this order
*/
public double getSubTotal() {
return subTotal;
}
/**
* Returns the subtotal of this order
*/
public void setSubTotal(double subTotal) {
this.subTotal = subTotal;
}
/**
* Returns taxes of this order
*/
public double getTaxes() {
return taxes;
}
/**
* Sets the taxes of this order
*/
public void setTaxes(double taxes) {
this.taxes = taxes;
}
/**
* Returns the subtotal rice of the entire order, ie. the sum of
* the base prices of all line items in this order.
*/
public double totalPrice() {
double totalPrice = 0;
for (Iterator<LineItem> iter = getLineItems().iterator(); iter
.hasNext();) {
LineItem item = iter.next();
totalPrice += item.getProduct().basePrice;
}
return totalPrice;
}
/**
* Called to initialize a new order entity
*
* We need to initialize our entity's state with the parameters passed from
* the client.
*/
public void init(String orderID, Customer customer, Status status,
double subTotal, double taxes) {
System.out.println("Order.init(" + orderID + ") called");
setOrderID(orderID);
setOrderDate(new java.sql.Timestamp(System.currentTimeMillis()));
setStatus(status);
setSubTotal(subTotal);
setTaxes(taxes);
}
}
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