shuiqiangchen commented on a change in pull request #13803: URL: https://github.com/apache/flink/pull/13803#discussion_r514007289
########## File path: flink-python/src/main/java/org/apache/flink/streaming/api/operators/python/StatefulPythonFunctionOperator.java ########## @@ -0,0 +1,237 @@ +/* + * 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. + */ + +package org.apache.flink.streaming.api.operators.python; + +import org.apache.flink.api.common.typeinfo.TypeInformation; +import org.apache.flink.api.common.typeinfo.Types; +import org.apache.flink.api.common.typeutils.TypeSerializer; +import org.apache.flink.api.java.tuple.Tuple2; +import org.apache.flink.api.java.typeutils.ResultTypeQueryable; +import org.apache.flink.api.java.typeutils.RowTypeInfo; +import org.apache.flink.configuration.Configuration; +import org.apache.flink.core.memory.ByteArrayInputStreamWithPos; +import org.apache.flink.core.memory.ByteArrayOutputStreamWithPos; +import org.apache.flink.core.memory.DataInputViewStreamWrapper; +import org.apache.flink.core.memory.DataOutputViewStreamWrapper; +import org.apache.flink.core.memory.ManagedMemoryUseCase; +import org.apache.flink.python.PythonFunctionRunner; +import org.apache.flink.runtime.state.VoidNamespace; +import org.apache.flink.runtime.state.VoidNamespaceSerializer; +import org.apache.flink.streaming.api.SimpleTimerService; +import org.apache.flink.streaming.api.TimerService; +import org.apache.flink.streaming.api.functions.python.DataStreamPythonFunctionInfo; +import org.apache.flink.streaming.api.operators.InternalTimer; +import org.apache.flink.streaming.api.operators.InternalTimerService; +import org.apache.flink.streaming.api.operators.Triggerable; +import org.apache.flink.streaming.api.runners.python.beam.BeamDataStreamStatefulPythonFunctionRunner; +import org.apache.flink.streaming.api.utils.PythonOperatorUtils; +import org.apache.flink.streaming.api.utils.PythonTypeUtils; +import org.apache.flink.streaming.runtime.streamrecord.StreamRecord; +import org.apache.flink.table.functions.python.PythonEnv; +import org.apache.flink.table.runtime.util.StreamRecordCollector; +import org.apache.flink.types.Row; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.util.Collections; +import java.util.Map; + +/** + * {@link StatefulPythonFunctionOperator} is responsible for launching beam runner which will start + * a python harness to execute user defined python function. It is also able to handle the timer and + * state request from the python stateful user defined function. + * */ +public class StatefulPythonFunctionOperator<OUT> extends AbstractOneInputPythonFunctionOperator<Row, OUT> Review comment: Currently it is for ProcessFunction, it's ok to rename it to be `PythonProcessFunctionOperator `. ---------------------------------------------------------------- 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. For queries about this service, please contact Infrastructure at: us...@infra.apache.org
