jarl

        def getChild(self, data):
            n = self.__childs.size()
            esta = None
            if not self.__childs.isEmpty():
                self.__childs.moveHead()
                while n > 0:
                    naux = self.__childs.getCurrent()
                    if naux.getData() == data:
                        esta = naux
                    if n > 1:
                        self.__childs.moveNext()
                    n-=1
            return esta