@Override
 public int hashCode() {
   final int prime = 31;
   int result = 1;
   result = prime * result + ((data == null) ? 0 : data.hashCode());
   result = prime * result + ((filme == null) ? 0 : filme.hashCode());
   result = prime * result + ((hora == null) ? 0 : hora.hashCode());
   result = prime * result + ((id == null) ? 0 : id.hashCode());
   result = prime * result + ((usuario == null) ? 0 : usuario.hashCode());
   return result;
 }