/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.superbiz.rest.batcher;
import org.superbiz.rest.dao.CommentDAO;
import org.superbiz.rest.dao.PostDAO;
import org.superbiz.rest.dao.UserDAO;
import org.superbiz.rest.model.Post;
import org.superbiz.rest.model.User;
import javax.annotation.PostConstruct;
import javax.ejb.DependsOn;
import javax.ejb.Lock;
import javax.ejb.LockType;
import javax.ejb.Schedule;
import javax.ejb.Singleton;
import javax.ejb.Startup;
import javax.inject.Inject;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import java.util.logging.Logger;
@Startup
@DependsOn({"CommentDAO", "PostDAO", "UserDAO"})
@Singleton
@Lock(LockType.READ)
public class SampleDataManager {
private static final Logger LOGGER = Logger.getLogger(SampleDataManager.class.getName());
@PersistenceContext(unitName = "blog")
private EntityManager em;
@Inject
private CommentDAO comments;
@Inject
private PostDAO posts;
@Inject
private UserDAO users;
@PostConstruct
public void createSomeData() {
final User tomee = users.create("tomee", "tomee", "tomee@apache.org");
final User openejb = users.create("openejb", "openejb", "openejb@apache.org");
final Post tomeePost = posts.create("TomEE", "TomEE is a cool JEE App Server", tomee.getId());
posts.create("OpenEJB", "OpenEJB is a cool embedded container", openejb.getId());
comments.create("visitor", "nice post!", tomeePost.getId());
}
// a bit ugly but at least we clean data
@Schedule(second = "0", minute = "30", hour = "*", persistent = false)
private void cleanData() {
LOGGER.info("Cleaning data");
deleteAll();
createSomeData();
LOGGER.info("Data reset");
}
private void deleteAll() {
em.createQuery("delete From Comment").executeUpdate();
em.createQuery("delete From Post").executeUpdate();
em.createQuery("delete From User").executeUpdate();
}
}