1 files changed, 183 insertions, 0 deletions
diff --git a/Master/Reference Architectures and Patterns/EJB 3.0 Code/Gerald Examples/src/examples/shop/impl/entity/Order.java b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Gerald Examples/src/examples/shop/impl/entity/Order.java
new file mode 100644
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+++ b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Gerald Examples/src/examples/shop/impl/entity/Order.java
@@ -0,0 +1,183 @@
+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);
+    }
+
+}