org.apache.flink.streaming.api.operators.python

类 PythonProcessOperator<IN,OUT>

java.lang.Object

org.apache.flink.streaming.api.operators.AbstractStreamOperator<OUT>

org.apache.flink.streaming.api.operators.python.AbstractPythonFunctionOperator<OUT>

org.apache.flink.streaming.api.operators.python.AbstractDataStreamPythonFunctionOperator<OUT>

org.apache.flink.streaming.api.operators.python.AbstractOneInputPythonFunctionOperator<IN,OUT>

org.apache.flink.streaming.api.operators.python.PythonProcessOperator<IN,OUT>

所有已实现的接口:

Serializable, org.apache.flink.api.common.state.CheckpointListener, org.apache.flink.api.java.typeutils.ResultTypeQueryable<OUT>, org.apache.flink.streaming.api.operators.BoundedOneInput, org.apache.flink.streaming.api.operators.Input<IN>, org.apache.flink.streaming.api.operators.KeyContext, org.apache.flink.streaming.api.operators.OneInputStreamOperator<IN,OUT>, org.apache.flink.streaming.api.operators.SetupableStreamOperator<OUT>, org.apache.flink.streaming.api.operators.StreamOperator<OUT>, org.apache.flink.streaming.api.operators.StreamOperatorStateHandler.CheckpointedStreamOperator

@Internal
public class PythonProcessOperator<IN,OUT>
extends AbstractOneInputPythonFunctionOperator<IN,OUT>

PythonProcessOperator is responsible for launching beam runner which will start a python harness to execute user defined python ProcessFunction.

另请参阅:

序列化表格

字段概要

从类继承的字段 org.apache.flink.streaming.api.operators.python.AbstractOneInputPythonFunctionOperator

baos, baosWrapper

从类继承的字段 org.apache.flink.streaming.api.operators.python.AbstractPythonFunctionOperator

config, elementCount, jobOptions, maxBundleSize, pythonConfig, pythonFunctionRunner

从类继承的字段 org.apache.flink.streaming.api.operators.AbstractStreamOperator

chainingStrategy, latencyStats, LOG, metrics, output, processingTimeService

构造器概要

构造器

构造器和说明
PythonProcessOperator(org.apache.flink.configuration.Configuration config, DataStreamPythonFunctionInfo pythonFunctionInfo, org.apache.flink.api.common.typeinfo.TypeInformation<IN> inputTypeInfo, org.apache.flink.api.common.typeinfo.TypeInformation<OUT> outputTypeInfo)

方法概要

限定符和类型	方法和说明
<T> AbstractDataStreamPythonFunctionOperator<T>	copy(DataStreamPythonFunctionInfo pythonFunctionInfo, org.apache.flink.api.common.typeinfo.TypeInformation<T> outputTypeInfo)
PythonFunctionRunner	createPythonFunctionRunner() Creates the PythonFunctionRunner which is responsible for Python user-defined function execution.
void	open()
void	processElement(org.apache.flink.streaming.runtime.streamrecord.StreamRecord<IN> element)
void	processWatermark(org.apache.flink.streaming.api.watermark.Watermark mark)

从类继承的方法 org.apache.flink.streaming.api.operators.python.AbstractOneInputPythonFunctionOperator

createInputCoderInfoDescriptor, createOutputCoderInfoDescriptor, emitResult, endInput, getInputTypeInfo, processElement

从类继承的方法 org.apache.flink.streaming.api.operators.python.AbstractDataStreamPythonFunctionOperator

containsPartitionCustom, getInternalParameters, getProducedType, getPythonEnv, getPythonFunctionInfo, setContainsPartitionCustom, setNumPartitions

从类继承的方法 org.apache.flink.streaming.api.operators.python.AbstractPythonFunctionOperator

checkInvokeFinishBundleByCount, close, createPythonEnvironmentManager, emitResults, finish, getConfiguration, getFlinkMetricContainer, invokeFinishBundle, isBundleFinished, prepareSnapshotPreBarrier, setConfiguration, setCurrentKey

从类继承的方法 org.apache.flink.streaming.api.operators.AbstractStreamOperator

getChainingStrategy, getContainingTask, getCurrentKey, getExecutionConfig, getInternalTimerService, getKeyedStateBackend, getKeyedStateStore, getMetricGroup, getOperatorConfig, getOperatorID, getOperatorName, getOperatorStateBackend, getOrCreateKeyedState, getPartitionedState, getPartitionedState, getProcessingTimeService, getRuntimeContext, getTimeServiceManager, getUserCodeClassloader, initializeState, initializeState, isUsingCustomRawKeyedState, notifyCheckpointAborted, notifyCheckpointComplete, processLatencyMarker, processLatencyMarker1, processLatencyMarker2, processWatermark1, processWatermark2, processWatermarkStatus, processWatermarkStatus1, processWatermarkStatus2, reportOrForwardLatencyMarker, setChainingStrategy, setKeyContextElement1, setKeyContextElement2, setProcessingTimeService, setup, snapshotState, snapshotState

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

从接口继承的方法 org.apache.flink.streaming.api.operators.OneInputStreamOperator

setKeyContextElement

从接口继承的方法 org.apache.flink.streaming.api.operators.StreamOperator

close, finish, getMetricGroup, getOperatorID, initializeState, prepareSnapshotPreBarrier, setKeyContextElement1, setKeyContextElement2, snapshotState

从接口继承的方法 org.apache.flink.api.common.state.CheckpointListener

notifyCheckpointAborted, notifyCheckpointComplete

从接口继承的方法 org.apache.flink.streaming.api.operators.KeyContext

getCurrentKey, setCurrentKey

从接口继承的方法 org.apache.flink.streaming.api.operators.Input

processLatencyMarker, processWatermarkStatus

构造器详细资料

PythonProcessOperator

public PythonProcessOperator(org.apache.flink.configuration.Configuration config,
                             DataStreamPythonFunctionInfo pythonFunctionInfo,
                             org.apache.flink.api.common.typeinfo.TypeInformation<IN> inputTypeInfo,
                             org.apache.flink.api.common.typeinfo.TypeInformation<OUT> outputTypeInfo)

方法详细资料

open

public void open()
          throws Exception

指定者:

open 在接口中 org.apache.flink.streaming.api.operators.StreamOperator<OUT>

覆盖:

open 在类中 AbstractOneInputPythonFunctionOperator<IN,OUT>

抛出:

Exception

createPythonFunctionRunner

public PythonFunctionRunner createPythonFunctionRunner()
                                                throws Exception

从类复制的说明: AbstractPythonFunctionOperator

Creates the PythonFunctionRunner which is responsible for Python user-defined function execution.

指定者:

createPythonFunctionRunner 在类中 AbstractPythonFunctionOperator<OUT>

抛出:

Exception

processElement

public void processElement(org.apache.flink.streaming.runtime.streamrecord.StreamRecord<IN> element)
                    throws Exception

抛出:

Exception

processWatermark

public void processWatermark(org.apache.flink.streaming.api.watermark.Watermark mark)
                      throws Exception

指定者:

processWatermark 在接口中 org.apache.flink.streaming.api.operators.Input<IN>

覆盖:

processWatermark 在类中 AbstractPythonFunctionOperator<OUT>

抛出:

Exception

copy

public <T> AbstractDataStreamPythonFunctionOperator<T> copy(DataStreamPythonFunctionInfo pythonFunctionInfo,
                                                            org.apache.flink.api.common.typeinfo.TypeInformation<T> outputTypeInfo)

指定者:

copy 在类中 AbstractDataStreamPythonFunctionOperator<OUT>