anishshri-db commented on code in PR #47133: URL: https://github.com/apache/spark/pull/47133#discussion_r1687414356
########## python/pyspark/sql/streaming/state_api_client.py: ########## @@ -0,0 +1,162 @@ +# +# Licensed to the Apache Software Foundation (ASF) under one or more +# contributor license agreements. See the NOTICE file distributed with +# this work for additional information regarding copyright ownership. +# The ASF licenses this file to You under the Apache License, Version 2.0 +# (the "License"); you may not use this file except in compliance with +# the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# + +from enum import Enum +import os +import socket +from typing import Any, Union, cast, Tuple + +import pyspark.sql.streaming.StateMessage_pb2 as stateMessage +from pyspark.serializers import write_int, read_int, UTF8Deserializer +from pyspark.sql.types import StructType, _parse_datatype_string, Row +from pyspark.sql.utils import has_numpy +from pyspark.serializers import CPickleSerializer + + +class StatefulProcessorHandleState(Enum): + CREATED = 1 + INITIALIZED = 2 + DATA_PROCESSED = 3 + CLOSED = 4 + + +class StateApiClient: + def __init__( + self, + state_server_port: int, + key_schema: StructType) -> None: + self.key_schema = key_schema + self._client_socket = socket.socket() + self._client_socket.connect(("localhost", state_server_port)) + self.sockfile = self._client_socket.makefile("rwb", + int(os.environ.get("SPARK_BUFFER_SIZE",65536))) + self.handle_state = StatefulProcessorHandleState.CREATED + self.utf8_deserializer = UTF8Deserializer() + self.pickleSer = CPickleSerializer() + + def set_handle_state(self, state: StatefulProcessorHandleState) -> None: Review Comment: Could we add like 1-2 line comments for these functions ? -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
