April 05
Prof. Ismael H. F. Santos -  ismael@tecgraf.puc-rio.br                                                          2
Introduce Null Object (260)
nResult meuORBCorba (String parametros[])
n{
n Result r;
n if (pre_interceptor != NULL)
n pre_interceptor.chamada ();
n if (meuObjeto != NULL && meuObjeto.metodo != NULL)
n r = meuObjeto.metodo.invoke (parametros);
n if (pos_interceptor != NULL)
n r = pos_interceptor.chamada (r);
n return r;
n}