LookupDaoHibernate.java

/**
 * Copyright 2014 David L. Whitehurst
 * 
 * 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.musicrecital.dao.hibernate;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.musicrecital.dao.LookupDao;
import org.musicrecital.model.Role;
import org.hibernate.SessionFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;

import java.util.List;
import org.hibernate.Session;

/**
 * Hibernate implementation of LookupDao.
 *
 * @author <a href="mailto:matt@raibledesigns.com">Matt Raible</a>
 * @author jgarcia: updated to hibernate 4
 * @author <a href="mailto:dlwhitehurst@gmail.com">David L. Whitehurst</a>
 * @version $Id: c10a1f3e67e8aa4529341c5bf7c190a02ed82e74 $
 */
@Repository
public class LookupDaoHibernate implements LookupDao {
    private Log log = LogFactory.getLog(LookupDaoHibernate.class);
    private final SessionFactory sessionFactory;

    /**
     * Initialize LookupDaoHibernate with Hibernate SessionFactory.
     * @param sessionFactory
     */
    @Autowired
    public LookupDaoHibernate(final SessionFactory sessionFactory) {
        this.sessionFactory = sessionFactory;
    }

    /**
     * {@inheritDoc}
     */
    @SuppressWarnings("unchecked")
    public List<Role> getRoles() {
        log.debug("Retrieving all role names...");
        Session session = sessionFactory.getCurrentSession();
        return session.createCriteria(Role.class).list();
    }
}