/*
* JBoss, Home of Professional Open Source
* Copyright 2013, Red Hat, Inc. and/or its affiliates, and individual
* contributors by the @authors tag. See the copyright.txt in the
* distribution for a full listing of individual contributors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jboss.as.quickstart.hibernate3.data;
import org.hibernate.Criteria;
import org.hibernate.Session;
import org.hibernate.criterion.Order;
import org.jboss.as.quickstart.hibernate3.model.Member;
import java.util.List;
import javax.annotation.PostConstruct;
import javax.enterprise.context.RequestScoped;
import javax.enterprise.event.Observes;
import javax.enterprise.event.Reception;
import javax.enterprise.inject.Produces;
import javax.inject.Inject;
import javax.inject.Named;
import javax.persistence.EntityManager;
/**
* @author Madhumita Sadhukhan
*/
@RequestScoped
public class MemberListProducer {
@Inject
private EntityManager em;
private List<Member> members;
// @Named provides access the return value via the EL variable name "members" in the UI (e.g.,
// Facelets or JSP view)
@Produces
@Named
public List<Member> getMembers() {
return members;
}
public void onMemberListChanged(@Observes(notifyObserver = Reception.IF_EXISTS) final Member member) {
retrieveAllMembersOrderedByName();
}
@PostConstruct
public void retrieveAllMembersOrderedByName() {
// using Hibernate Session and Criteria Query via Hibernate Native API
Session session = (Session) em.getDelegate();
Criteria cb = session.createCriteria(Member.class);
cb.addOrder(Order.asc("name"));
members = (List<Member>) cb.list();
}
}