IN1 - The input type of the first streamIN2 - The input type of the second streamOUT - The output type of the CoProcess function@Internal public class ExternalPythonCoProcessOperator<IN1,IN2,OUT> extends AbstractExternalTwoInputPythonFunctionOperator<IN1,IN2,OUT>
ExternalPythonCoProcessOperator is responsible for executing the Python CoProcess
Function.baos, baosWrapperpythonFunctionRunnerbundleFinishedCallback, config, elementCount, lastFinishBundleTime, maxBundleSize, systemEnvEnabled| 构造器和说明 |
|---|
ExternalPythonCoProcessOperator(org.apache.flink.configuration.Configuration config,
DataStreamPythonFunctionInfo pythonFunctionInfo,
org.apache.flink.api.common.typeinfo.TypeInformation<IN1> inputTypeInfo1,
org.apache.flink.api.common.typeinfo.TypeInformation<IN2> inputTypeInfo2,
org.apache.flink.api.common.typeinfo.TypeInformation<OUT> outputTypeInfo) |
| 限定符和类型 | 方法和说明 |
|---|---|
<T> AbstractExternalDataStreamPythonFunctionOperator<T> |
copy(DataStreamPythonFunctionInfo pythonFunctionInfo,
org.apache.flink.api.common.typeinfo.TypeInformation<T> outputTypeInfo)
Make a copy of the DataStreamPythonFunctionOperator with the given pythonFunctionInfo and
outputTypeInfo.
|
PythonFunctionRunner |
createPythonFunctionRunner()
Creates the
PythonFunctionRunner which is responsible for Python user-defined
function execution. |
void |
open() |
void |
processElement1(org.apache.flink.streaming.runtime.streamrecord.StreamRecord<IN1> element) |
void |
processElement2(org.apache.flink.streaming.runtime.streamrecord.StreamRecord<IN2> element) |
void |
processWatermark(org.apache.flink.streaming.api.watermark.Watermark mark) |
createInputCoderInfoDescriptor, createOutputCoderInfoDescriptor, emitResult, endInput, getLeftInputType, getRightInputType, processElementaddSideOutputTags, createSideOutputCoderDescriptors, getInternalParameters, getOutputTagById, getProducedType, getPythonEnv, getPythonFunctionInfo, getSideOutputTags, getSideOutputTypeSerializerById, setNumPartitionsclose, createPythonEnvironmentManager, emitResults, invokeFinishBundlecheckInvokeFinishBundleByCount, finish, getConfiguration, getFlinkMetricContainer, isBundleFinished, prepareSnapshotPreBarrier, setCurrentKeygetChainingStrategy, getContainingTask, getCurrentKey, getExecutionConfig, getInternalTimerService, getKeyedStateBackend, getKeyedStateStore, getMetricGroup, getOperatorConfig, getOperatorID, getOperatorName, getOperatorStateBackend, getOrCreateKeyedState, getPartitionedState, getPartitionedState, getProcessingTimeService, getRuntimeContext, getStateKeySelector1, getStateKeySelector2, getTimeServiceManager, getUserCodeClassloader, hasKeyContext1, hasKeyContext2, initializeState, initializeState, isUsingCustomRawKeyedState, notifyCheckpointAborted, notifyCheckpointComplete, processLatencyMarker, processLatencyMarker1, processLatencyMarker2, processRecordAttributes, processRecordAttributes1, processRecordAttributes2, processWatermark1, processWatermark2, processWatermarkStatus, processWatermarkStatus1, processWatermarkStatus2, reportOrForwardLatencyMarker, setChainingStrategy, setKeyContextElement1, setKeyContextElement2, setMailboxExecutor, setProcessingTimeService, setup, snapshotState, snapshotState, useSplittableTimersclone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitprocessLatencyMarker1, processLatencyMarker2, processRecordAttributes1, processRecordAttributes2, processWatermark1, processWatermark2, processWatermarkStatus1, processWatermarkStatus2close, finish, getMetricGroup, getOperatorAttributes, getOperatorID, initializeState, prepareSnapshotPreBarrier, setKeyContextElement1, setKeyContextElement2, snapshotStatepublic ExternalPythonCoProcessOperator(org.apache.flink.configuration.Configuration config,
DataStreamPythonFunctionInfo pythonFunctionInfo,
org.apache.flink.api.common.typeinfo.TypeInformation<IN1> inputTypeInfo1,
org.apache.flink.api.common.typeinfo.TypeInformation<IN2> inputTypeInfo2,
org.apache.flink.api.common.typeinfo.TypeInformation<OUT> outputTypeInfo)
public void open()
throws Exception
public PythonFunctionRunner createPythonFunctionRunner() throws Exception
PythonFunctionRunner which is responsible for Python user-defined
function execution.public void processElement1(org.apache.flink.streaming.runtime.streamrecord.StreamRecord<IN1> element) throws Exception
Exceptionpublic void processElement2(org.apache.flink.streaming.runtime.streamrecord.StreamRecord<IN2> element) throws Exception
Exceptionpublic void processWatermark(org.apache.flink.streaming.api.watermark.Watermark mark)
throws Exception
processWatermark 在类中 AbstractPythonFunctionOperator<OUT>Exceptionpublic <T> AbstractExternalDataStreamPythonFunctionOperator<T> copy(DataStreamPythonFunctionInfo pythonFunctionInfo, org.apache.flink.api.common.typeinfo.TypeInformation<T> outputTypeInfo)
DataStreamPythonFunctionOperatorCopyright © 2014–2024 The Apache Software Foundation. All rights reserved.