br.com.i9torpedos.model.service.jpa.EntityManagerUtil.java Source code

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Here is the source code for br.com.i9torpedos.model.service.jpa.EntityManagerUtil.java

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package br.com.i9torpedos.model.service.jpa;

import java.io.Serializable;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.Persistence;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

/**
 *
 * @author Junior
 */
public class EntityManagerUtil implements Serializable {

    private static EntityManagerFactory emf = Persistence.createEntityManagerFactory("PU");
    private static EntityManager em;
    private static final Log log = LogFactory.getLog(EntityManagerUtil.class);

    public static EntityManager getEntityManager() {

        if (em == null || !em.isOpen()) {
            em = emf.createEntityManager();
            log.info("EntityManager Criado com sucesso!!");

            return em;

        }
        return em;

    }

    public void closeEntityManager(EntityManager em) {

        if (em != null && em.isOpen()) {
            getEntityManager().close();
            emf.close();
            log.info("EntityManager fechado com sucesso!!");
        }

    }

}