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package br.usp.nds.remote.persistencia;

import javax.persistence.EntityManagerFactory;
import javax.persistence.Persistence;

/**
 * 
 * @author sussumu
 */
public class Persistencia {

	private static EntityManagerFactory emf;
	private static Persistencia instance = new Persistencia();

	public EntityManagerFactory getEMF() {
		if (emf == null) {
			emf = Persistence.createEntityManagerFactory("remote");
		}
		return emf;
	}

	public static Persistencia getInstance() {
		if (instance == null) {
			instance = new Persistencia();
		}
		return instance;
	}
}