2 * Copyright (C) 2015 Roland Haeder
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 package org.mxchange.jshopeelib.beans.remote.basket;
19 import java.rmi.RemoteException;
21 import javax.ejb.Remote;
22 import javax.faces.FacesException;
23 import javax.faces.view.facelets.FaceletException;
24 import org.mxchange.jshopcore.model.item.AddableBasketItem;
25 import org.mxchange.jshopeelib.beans.ShopBean;
28 * An interface for a basket bean
30 * @author Roland Haeder
33 public interface BasketSessionBeanRemote extends ShopBean {
35 * Initializes this instance. Please note that no checked exceptions can be
36 * thrown as this method is invoked over @PostConstruct anotation.
38 * @throws FacesException If something was wrong
40 public void init () throws FaceletException;
43 * Adds given item instance to this basket
44 * @param item Item instance to add
45 * @throws java.rmi.RemoteException If something bad happens
47 public void addItem (final AddableBasketItem item) throws RemoteException;
50 * Adds given item instance to basket. Remember that the product instance
51 * itself is not added. Instead a AddableBasketItem is created which holds
52 * information about amoutn and item type.
54 * @param item Item instance
55 * @throws java.rmi.RemoteException If something bad happens
57 public void addToBasket (final AddableBasketItem item) throws RemoteException;
60 * Checks if the basket is empty
62 * @return Whether the basket is empty
63 * @throws java.rmi.RemoteException If something bad happens
65 public boolean isEmpty () throws RemoteException;
68 * Checks whether the given product as already been added. If the product's
69 * item id number was found in basket, the corresponding item instance will be set
71 * @param item Item instance to check
72 * @return Whether the given item has been found
73 * @throws java.rmi.RemoteException If something bad happens
75 public boolean isAdded (final AddableBasketItem item) throws RemoteException;
78 * Getter for human-readable string from given key
80 * @param key Key to return
81 * @return Human-readable message
83 public String getMessageStringFromKey (final String key);
86 * Some "getter" for all entries in this basket
88 * @return Map on all basket items
89 * @throws java.rmi.RemoteException If something bad happens
91 public Map<Long, AddableBasketItem> getAll () throws RemoteException;
94 * Getter for last entry
96 * @return Last added item in basket
97 * @throws java.rmi.RemoteException If something bad happens
99 public AddableBasketItem getLast () throws RemoteException;
102 * Getter for last num rows
104 * @return Last num rows
106 public int getLastNumRows ();