org.apache.flink.table.runtime.operators.python.table

Class AbstractPythonTableFunctionOperator<IN,OUT,UDTFIN>

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.AbstractOneInputPythonFunctionOperator<IN,OUT>

org.apache.flink.table.runtime.operators.python.AbstractStatelessFunctionOperator<IN,OUT,UDTFIN>

org.apache.flink.table.runtime.operators.python.table.AbstractPythonTableFunctionOperator<IN,OUT,UDTFIN>

Type Parameters:

IN - Type of the input elements.

OUT - Type of the output elements.

UDTFIN - Type of the UDTF input type.

All Implemented Interfaces:

Serializable, org.apache.flink.api.common.state.CheckpointListener, 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, org.apache.flink.util.Disposable

Direct Known Subclasses:

PythonTableFunctionOperator, RowDataPythonTableFunctionOperator

@Internal
public abstract class AbstractPythonTableFunctionOperator<IN,OUT,UDTFIN>
extends AbstractStatelessFunctionOperator<IN,OUT,UDTFIN>

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected org.apache.flink.table.runtime.operators.join.FlinkJoinType	joinType The correlate join type.
protected org.apache.flink.table.functions.python.PythonFunctionInfo	tableFunction The Python TableFunction to be executed.

Fields inherited from class org.apache.flink.table.runtime.operators.python.AbstractStatelessFunctionOperator

bais, baisWrapper, baos, baosWrapper, forwardedInputQueue, inputType, outputType, userDefinedFunctionInputOffsets, userDefinedFunctionInputType, userDefinedFunctionOutputType

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
AbstractPythonTableFunctionOperator(org.apache.flink.configuration.Configuration config, org.apache.flink.table.functions.python.PythonFunctionInfo tableFunction, org.apache.flink.table.types.logical.RowType inputType, org.apache.flink.table.types.logical.RowType outputType, int[] udtfInputOffsets, org.apache.flink.table.runtime.operators.join.FlinkJoinType joinType)

Method Summary

Modifier and Type	Method and Description
String	getFunctionUrn()
String	getInputOutputCoderUrn()
org.apache.flink.table.functions.python.PythonEnv	getPythonEnv() Returns the PythonEnv used to create PythonEnvironmentManager..
FlinkFnApi.UserDefinedFunctions	getUserDefinedFunctionsProto() Gets the proto representation of the Python user-defined functions to be executed.
void	open()

Methods inherited from class org.apache.flink.table.runtime.operators.python.AbstractStatelessFunctionOperator

bufferInput, createPythonFunctionRunner, getFunctionInput, processElement, processElementInternal

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

endInput

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

checkInvokeFinishBundleByCount, close, createPythonEnvironmentManager, dispose, emitResult, 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.OneInputStreamOperator

setKeyContextElement

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

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

processLatencyMarker, processWatermark

Field Detail

tableFunction

protected final org.apache.flink.table.functions.python.PythonFunctionInfo tableFunction

The Python TableFunction to be executed.

joinType

protected final org.apache.flink.table.runtime.operators.join.FlinkJoinType joinType

The correlate join type.

Constructor Detail

AbstractPythonTableFunctionOperator

public AbstractPythonTableFunctionOperator(org.apache.flink.configuration.Configuration config,
                                           org.apache.flink.table.functions.python.PythonFunctionInfo tableFunction,
                                           org.apache.flink.table.types.logical.RowType inputType,
                                           org.apache.flink.table.types.logical.RowType outputType,
                                           int[] udtfInputOffsets,
                                           org.apache.flink.table.runtime.operators.join.FlinkJoinType joinType)

Method Detail

open

public void open()
          throws Exception

Specified by:

open in interface org.apache.flink.streaming.api.operators.StreamOperator<OUT>

Overrides:

open in class AbstractStatelessFunctionOperator<IN,OUT,UDTFIN>

Throws:

Exception

getPythonEnv

public org.apache.flink.table.functions.python.PythonEnv getPythonEnv()

Description copied from class: AbstractPythonFunctionOperator

Returns the PythonEnv used to create PythonEnvironmentManager..

Specified by:

getPythonEnv in class AbstractPythonFunctionOperator<OUT>

getInputOutputCoderUrn

public String getInputOutputCoderUrn()

Specified by:

getInputOutputCoderUrn in class AbstractStatelessFunctionOperator<IN,OUT,UDTFIN>

getFunctionUrn

public String getFunctionUrn()

Specified by:

getFunctionUrn in class AbstractStatelessFunctionOperator<IN,OUT,UDTFIN>

getUserDefinedFunctionsProto

public FlinkFnApi.UserDefinedFunctions getUserDefinedFunctionsProto()

Description copied from class: AbstractStatelessFunctionOperator

Gets the proto representation of the Python user-defined functions to be executed.

Specified by:

getUserDefinedFunctionsProto in class AbstractStatelessFunctionOperator<IN,OUT,UDTFIN>