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.jshopcore.model.basket;
19 import java.io.Serializable;
21 import javax.ejb.Remote;
22 import org.mxchange.jshopcore.exceptions.BasketItemAlreadyAddedException;
25 * An interface for a basket bean
27 * @author Roland Haeder<roland@mxchange.org>
30 public interface BasketSessionBeanRemote extends Serializable {
33 * Adds given item instance to this basket
35 * @param item Item instance to add
36 * @throws org.mxchange.jshopcore.exceptions.BasketItemAlreadyAddedException If the item as already been added
38 public void addItem (final AddableBasketItem item) throws BasketItemAlreadyAddedException;
41 * Checks if the basket is empty
43 * @return Whether the basket is empty
45 public boolean isEmpty ();
48 * Checks whether the given product as already been added. If the product's
49 * item id number was found in basket, the corresponding item instance will
52 * @param item Item instance to check
53 * @return Whether the given item has been found
55 public boolean isAdded (final AddableBasketItem item);
58 * Some "getter" for all entries in this basket
60 * @return Map on all basket items
62 public Map<Long, AddableBasketItem> getAll ();
65 * Getter for last entry
67 * @return Last added item in basket
69 public AddableBasketItem getLast ();
72 * Getter for last num rows
74 * @return Last num rows
76 public int getLastNumRows ();