package exemplo;

public interface MecanismoPersistencia  {

    public abstract void conectar() throws exemplo.TransacaoBDException;

    public abstract void desconectar() throws exemplo.TransacaoBDException;

    public abstract void iniciarTransacao() throws exemplo.TransacaoBDException;

    public abstract void confirmarTransacao() throws exemplo.TransacaoBDException;

    public abstract void cancelarTransacao() throws exemplo.TransacaoBDException;
}