/*
* JBoss, Home of Professional Open Source
* Copyright 2012, Red Hat, Inc., 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.jdf.examples.pastecode.session;
import java.io.InputStream;
import java.util.logging.Logger;
import javax.annotation.PostConstruct;
import javax.ejb.Singleton;
import javax.ejb.Startup;
import javax.inject.Inject;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import org.jboss.jdf.examples.pastecode.model.CodeFragment;
import org.jboss.jdf.examples.pastecode.model.User;
import org.yaml.snakeyaml.Yaml;
/**
* Populate the database with data.sql. Needed because import.sql doesn't
* support multi-line inserts
*
* @author Pete Muir
* @author Martin Gencur
*/
@Startup
@Singleton
public class PopulateDatabase
{
private static final String DATA_CODEFRAGMENTS_FILE_NAME = "data_codefragments.yml";
private static final String DATA_USERS_FILE_NAME = "data_users.yml";
@Inject
private Logger log;
@PersistenceContext
private EntityManager entityManager;
@PostConstruct
public void startup()
{
/*
Seeding the database using a yml file to make it easy to add multi-line code snippets. Also
*/
log.info("Beginning to seed database");
final InputStream userIs = PopulateDatabase.class.getClassLoader().getResourceAsStream(DATA_USERS_FILE_NAME);
final InputStream fragsIs = PopulateDatabase.class.getClassLoader().getResourceAsStream(DATA_CODEFRAGMENTS_FILE_NAME);
final Yaml yaml = new Yaml();
for (Object u : yaml.loadAll(userIs)) {
log.fine("Persisting user " + u);
((User)u).setId(null);
entityManager.persist(u);
}
for (Object f : yaml.loadAll(fragsIs)) {
log.fine("Persisting code fragments");
((CodeFragment)f).setId(null);
entityManager.persist(f);
}
log.info("Finished seeding database");
}
}