2 * Copyright (C) 2016 Roland Haeder
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU Affero General Public License as
6 * published by the Free Software Foundation, either version 3 of the
7 * License, or (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 Affero General Public License for more details.
14 * You should have received a copy of the GNU Affero General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 package org.mxchange.pizzaapplication.beans.customer;
19 import java.io.Serializable;
20 import java.util.List;
21 import org.mxchange.jcontacts.contact.Contact;
22 import org.mxchange.jcustomercore.events.AdminAddedCustomerEvent;
23 import org.mxchange.jcustomercore.model.customer.Customer;
26 * An interface for customer beans
28 * @author Roland Haeder<roland@mxchange.org>
30 public interface PizzaCustomerWebSessionController extends Serializable {
33 * Adds customer instance to list. The customer should be an updated
34 * instance (with id number).
36 * @param customer Customer instance
38 void addCustomer (final Customer customer);
41 * Observes events being fired when an administrator has added a new
44 * @param event Event being fired
46 void afterAdminAddedCustomer (final AdminAddedCustomerEvent event);
49 * Checks whether the given contact is a customer
51 * @param contact Contact to check
53 * @return Whether the contact is a customer
55 boolean isContactFound (final Contact contact);
60 * @return A list of all customer profiles
62 List<Customer> allCustomers ();
65 * Checks whether customers are registered
67 * @return Whether customers are registered
69 boolean hasCustomers ();