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1   /*
2    * JBoss, Home of Professional Open Source
3    * Copyright 2014, Red Hat, Inc. and/or its affiliates, and individual
4    * contributors by the @authors tag. See the copyright.txt in the
5    * distribution for a full listing of individual contributors.
6    *
7    * Licensed under the Apache License, Version 2.0 (the "License");
8    * you may not use this file except in compliance with the License.
9    * You may obtain a copy of the License at
10   * http://www.apache.org/licenses/LICENSE-2.0
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.jboss.as.quickstarts.cdi.service;
18  
19  import java.util.List;
20  
21  import javax.ejb.Stateless;
22  import javax.inject.Inject;
23  import javax.persistence.EntityManager;
24  
25  import org.jboss.as.quickstarts.cdi.interceptor.ServiceStereotype;
26  
27  /**
28   * This is the alternative implementation of ItemService interface. @ServiceStereotype says that this bean is @Alternative and @Logging
29   * and @Audit interceptor bindings is applied. Interceptors are applied to all business methods, since @ServiceStereotype
30   * specified at class level. This implementation with interceptors is used only if alternative stereotype and interceptors are
31   * specified in beans.xml descriptor.
32   * 
33   * @author Ievgen Shulga
34   */
35  @Stateless
36  @ServiceStereotype
37  public class ItemAlternativeServiceBean implements ItemService {
38  
39      @Inject
40      private EntityManager em;
41  
42      public void create(Item item) {
43          em.persist(item);
44      }
45  
46      public List<Item> getList() {
47          return em.createQuery("select i from Item i", Item.class).getResultList();
48      }
49  
50  }