package br.dsw.dao; import java.util.List; import javax.annotation.Resource; import javax.persistence.EntityManager; import javax.persistence.EntityManagerFactory; import javax.persistence.Persistence; public abstract class GenericDAO { private final EntityManagerFactory emf; public GenericDAO() { emf = Persistence.createEntityManagerFactory("DSWPU"); } protected EntityManager getEntityManager() { return emf.createEntityManager(); } abstract T get(K id); abstract List getAll(); abstract void save(T t); abstract void update(T t); abstract void delete(T t); }