br.com.sinax.musicpoc.dao.MusicDaoImpl.java Source code

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Here is the source code for br.com.sinax.musicpoc.dao.MusicDaoImpl.java

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/*
 *
 * 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 br.com.sinax.musicpoc.dao;

import java.util.List;

import org.hibernate.Criteria;
import org.hibernate.Session;
import org.jspare.core.container.Inject;

import br.com.sinax.musicpoc.entity.Music;
import br.com.sinax.musicpoc.persistance.SessionProvider;

/**
 * The Class MusicDaoImpl.
 *
 * @author pflima
 * @since 29/06/2016
 */
public class MusicDaoImpl implements Dao<Music> {

    /** The session provider. */
    @Inject
    private SessionProvider<Session> sessionProvider;

    /* (non-Javadoc)
     * @see br.com.sinax.musicpoc.persistance.Dao#list()
     */
    @Override
    @SuppressWarnings("unchecked")
    public List<Music> list() {

        Session session = sessionProvider.provide();
        session.beginTransaction();

        Criteria criteria = session.createCriteria(Music.class);
        List<Music> result = criteria.list();

        session.getTransaction().commit();
        if (session.isOpen()) {

            session.close();
        }
        return result;
    }

    /* (non-Javadoc)
     * @see br.com.sinax.musicpoc.persistance.Dao#persist(java.lang.Object)
     */
    @Override
    public Music persist(Music entity) {

        Session session = sessionProvider.provide();
        session.beginTransaction();
        session.saveOrUpdate(entity);
        session.getTransaction().commit();
        if (session.isOpen()) {

            session.close();
        }
        return entity;
    }

    /* (non-Javadoc)
     * @see br.com.sinax.musicpoc.persistance.Dao#remove(java.lang.Object)
     */
    @Override
    public void remove(Music entity) {

        Session session = sessionProvider.provide();
        session.beginTransaction();

        session.delete(entity);

        session.getTransaction().commit();
        if (session.isOpen()) {

            session.close();
        }
    }

}