def _index_item(self, uri, num, batch_num):
        """ queries the triplestore for an item sends it to elasticsearch """

        data = RdfDataset(get_all_item_data(uri, self.namespace),
                          uri).base_class.es_json()
        self.batch_data[batch_num].append(data)
        self.count += 1
queries the triplestore for an item sends it to elasticsearch