/*
* 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.quickstarts.wicketWar.dao;
import java.util.List;
import javax.ejb.Stateless;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import org.jboss.as.quickstarts.wicketWar.model.Contact;
/**
* A bean which manages Contact entities.
*/
@Stateless
public class ContactDaoBean implements ContactDao {
@PersistenceContext
private EntityManager em;
@Override
@SuppressWarnings("unchecked")
public List<Contact> getContacts() {
return em.createQuery("SELECT c FROM Contact c").getResultList();
}
/**
* Get Contact by ID.
*/
@Override
public Contact getContact(Long id) {
return em.find(Contact.class, id);
}
/**
* Add a new Contact.
*/
@Override
public void addContact(String name, String email) {
em.merge(new Contact(null, name, email));
}
/**
* Remove a Contact.
*/
@Override
public void remove(Contact modelObject) {
Contact managed = em.merge(modelObject);
em.remove(managed);
em.flush();
}
}