val/explodingnuggets/Projeto-2-DSW/src/java/br/dsw/dao/GenericDAO.java

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<T,K> {
    private final EntityManagerFactory emf;
    
    public GenericDAO() {
        emf = Persistence.createEntityManagerFactory("DSWPU");
    }
    
    protected EntityManager getEntityManager() {
        return emf.createEntityManager();
    }
    
    abstract T get(K id);
    abstract List<T> getAll();
    abstract void save(T t);
    abstract void update(T t);
    abstract void delete(T t);
}