View Javadoc
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.quickstart.hibernate4.data;
18  
19  import java.util.List;
20  
21  import javax.annotation.PostConstruct;
22  import javax.enterprise.context.RequestScoped;
23  import javax.enterprise.event.Observes;
24  import javax.enterprise.event.Reception;
25  import javax.enterprise.inject.Produces;
26  import javax.inject.Inject;
27  import javax.inject.Named;
28  
29  import org.jboss.as.quickstart.hibernate4.model.Member;
30  
31  /**
32   * @author Madhumita Sadhukhan
33   */
34  
35  @RequestScoped
36  public class MemberListProducer {
37      @Inject
38      private MemberRepository memberRepository;
39  
40      private List<Member> members;
41  
42      // @Named provides access the return value via the EL variable name "members" in the UI (e.g.,
43      // Facelets or JSP view)
44      @Produces
45      @Named
46      public List<Member> getMembers() {
47          return members;
48      }
49  
50      public void onMemberListChanged(@Observes(notifyObserver = Reception.IF_EXISTS) final Member member) {
51          retrieveAllMembersOrderedByName();
52      }
53  
54      @PostConstruct
55      public void retrieveAllMembersOrderedByName() {
56          members = memberRepository.findAllOrderedByName();
57      }
58  }