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Chapter 9 Session Tracking

Listing 9.8 ItemOrder.java 

package coreservlets;

/** Associates a catalog Item with a specific order by

 *  keeping track of the number ordered and the total price.

 *  Also provides some convenience methods to get at the

 *  Item data without first extracting the Item separately.

 */

public class ItemOrder {

  private Item item;

  private int numItems;

  public ItemOrder(Item item) {

    setItem(item);

    setNumItems(1);

  }

  public Item getItem() {

    return(item);

  }

  protected void setItem(Item item) {

    this.item = item;

  }

  public String getItemID() {

    return(getItem().getItemID());

  }

  public String getShortDescription() {

    return(getItem().getShortDescription());

  }

  public String getLongDescription() {

    return(getItem().getLongDescription());

  }

  public double getUnitCost() {

    return(getItem().getCost());

  }

  public int getNumItems() {

    return(numItems);

  }

  public void setNumItems(int n) {

    this.numItems = n;

  }

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