cart.java

一个优秀的供应商管理系统

package apusic.myshop.cart.ejb;



import java.rmi.RemoteException;
import java.util.Collection;
import javax.ejb.EJBObject;
import apusic.myshop.cart.model.CartModel;

public interface Cart extends EJBObject {

  /**
    *  get a list of items & their qty in the cart
    *  @return the model data as read-only.
    */
  public CartModel getDetails() throws RemoteException;

  // Methods to update the state of shopping cart.
  public void addItem(String itemNo) throws RemoteException;
  public void addItem(String itemNo, int qty) throws RemoteException;
  public void deleteItem(String itemNo) throws RemoteException;
  public void updateItemQty(String itemNo, int newQty)
    throws RemoteException;
  public void empty() throws RemoteException;

}