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

Class PythonCoMapOperator<IN1,IN2,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.AbstractTwoInputPythonFunctionOperator<IN1,IN2,OUT>

org.apache.flink.streaming.api.operators.python.TwoInputPythonFunctionOperator<IN1,IN2,OUT,OUT>

org.apache.flink.streaming.api.operators.python.PythonCoMapOperator<IN1,IN2,OUT>

Type Parameters:

IN1 - The input type of the first stream

IN2 - The input type of the second stream

OUT - The output type of the CoMap function

All Implemented Interfaces:

Serializable, org.apache.flink.api.common.state.CheckpointListener, org.apache.flink.streaming.api.operators.BoundedMultiInput, org.apache.flink.streaming.api.operators.KeyContext, org.apache.flink.streaming.api.operators.SetupableStreamOperator<OUT>, org.apache.flink.streaming.api.operators.StreamOperator<OUT>, org.apache.flink.streaming.api.operators.StreamOperatorStateHandler.CheckpointedStreamOperator, org.apache.flink.streaming.api.operators.TwoInputStreamOperator<IN1,IN2,OUT>, org.apache.flink.util.Disposable

@Internal
public class PythonCoMapOperator<IN1,IN2,OUT>
extends TwoInputPythonFunctionOperator<IN1,IN2,OUT,OUT>

The PythonCoFlatMapOperator is responsible for executing the Python CoMap Function.

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.flink.streaming.api.operators.python.TwoInputPythonFunctionOperator

bais, baisWrapper, baos, baosWrapper, collector, reuseRow

Fields inherited from class org.apache.flink.streaming.api.operators.python.AbstractPythonFunctionOperator

elementCount, maxBundleSize, pythonFunctionRunner

Fields inherited from class org.apache.flink.streaming.api.operators.AbstractStreamOperator

chainingStrategy, latencyStats, LOG, metrics, output, processingTimeService

Constructor Summary

Constructors

Constructor and Description
PythonCoMapOperator(org.apache.flink.configuration.Configuration config, 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, DataStreamPythonFunctionInfo pythonFunctionInfo)

Method Summary

Modifier and Type	Method and Description
void	emitResult(org.apache.flink.api.java.tuple.Tuple2<byte[],Integer> resultTuple) Sends the execution result to the downstream operator.

Methods inherited from class org.apache.flink.streaming.api.operators.python.TwoInputPythonFunctionOperator

createPythonFunctionRunner, getCoderUrn, getJobOptions, getPythonEnv, getPythonFunctionInfo, getRunnerInputTypeInfo, getRunnerInputTypeSerializer, getRunnerOutputTypeInfo, getRunnerOutputTypeSerializer, open, processElement1, processElement2

Methods inherited from class org.apache.flink.streaming.api.operators.python.AbstractTwoInputPythonFunctionOperator

endInput

Methods inherited from class org.apache.flink.streaming.api.operators.python.AbstractPythonFunctionOperator

checkInvokeFinishBundleByCount, close, createPythonEnvironmentManager, dispose, emitResults, getConfig, getFlinkMetricContainer, getPythonConfig, invokeFinishBundle, isBundleFinished, prepareSnapshotPreBarrier, processWatermark, setCurrentKey, setPythonConfig

Methods inherited from class 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, reportOrForwardLatencyMarker, setChainingStrategy, setKeyContextElement1, setKeyContextElement2, setProcessingTimeService, setup, snapshotState, snapshotState

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.flink.streaming.api.operators.TwoInputStreamOperator

processLatencyMarker1, processLatencyMarker2, processWatermark1, processWatermark2

Methods inherited from interface org.apache.flink.streaming.api.operators.StreamOperator

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

Methods inherited from interface org.apache.flink.api.common.state.CheckpointListener

notifyCheckpointAborted, notifyCheckpointComplete

Methods inherited from interface org.apache.flink.streaming.api.operators.KeyContext

getCurrentKey, setCurrentKey

Constructor Detail

PythonCoMapOperator

public PythonCoMapOperator(org.apache.flink.configuration.Configuration config,
                           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,
                           DataStreamPythonFunctionInfo pythonFunctionInfo)

Method Detail

emitResult

public void emitResult(org.apache.flink.api.java.tuple.Tuple2<byte[],Integer> resultTuple)
                throws Exception

Description copied from class: AbstractPythonFunctionOperator

Sends the execution result to the downstream operator.

Specified by:

emitResult in class AbstractPythonFunctionOperator<OUT>

Throws:

Exception