def _get_row_sparse(self, arr_list, ctx, row_id):
        """ Get row_sparse data from row_sparse parameters based on row_id. """
        # get row sparse params based on row ids
        if not isinstance(row_id, ndarray.NDArray):
            raise TypeError("row_id must have NDArray type, but %s is given"%(type(row_id)))
        if not self._trainer:
            raise RuntimeError("Cannot get row_sparse data for Parameter '%s' when no " \
                               "Trainer is created with it."%self.name)
        results = self._check_and_get(arr_list, ctx)

        # fetch row sparse params from the trainer
        self._trainer._row_sparse_pull(self, results, row_id)
        return results
def _get_row_sparse ( self , arr_list , ctx , row_id ) : if not isinstance ( row_id , ndarray . NDArray ) : raise TypeError ( "row_id must have NDArray type, but %s is given" % ( type ( row_id ) ) ) if not self . _trainer : raise RuntimeError ( "Cannot get row_sparse data for Parameter '%s' when no " "Trainer is created with it." % self . name ) results = self . _check_and_get ( arr_list , ctx ) self . _trainer . _row_sparse_pull ( self , results , row_id ) return results
Get row_sparse data from row_sparse parameters based on row_id.