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

Class AbstractRowPythonScalarFunctionOperator

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,UDFIN>

org.apache.flink.table.runtime.operators.python.scalar.AbstractPythonScalarFunctionOperator<org.apache.flink.table.runtime.types.CRow,org.apache.flink.table.runtime.types.CRow,org.apache.flink.types.Row>

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

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<org.apache.flink.table.runtime.types.CRow>, org.apache.flink.streaming.api.operators.KeyContext, org.apache.flink.streaming.api.operators.OneInputStreamOperator<org.apache.flink.table.runtime.types.CRow,org.apache.flink.table.runtime.types.CRow>, org.apache.flink.streaming.api.operators.SetupableStreamOperator<org.apache.flink.table.runtime.types.CRow>, org.apache.flink.streaming.api.operators.StreamOperator<org.apache.flink.table.runtime.types.CRow>, org.apache.flink.streaming.api.operators.StreamOperatorStateHandler.CheckpointedStreamOperator, org.apache.flink.util.Disposable

Direct Known Subclasses:

ArrowPythonScalarFunctionOperator, PythonScalarFunctionOperator

@Internal
public abstract class AbstractRowPythonScalarFunctionOperator
extends AbstractPythonScalarFunctionOperator<org.apache.flink.table.runtime.types.CRow,org.apache.flink.table.runtime.types.CRow,org.apache.flink.types.Row>

Base Python ScalarFunction operator for the legacy planner.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected StreamRecordCRowWrappingCollector	cRowWrapper The collector used to collect records.

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

forwardedFields, scalarFunctions

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
AbstractRowPythonScalarFunctionOperator(org.apache.flink.configuration.Configuration config, org.apache.flink.table.functions.python.PythonFunctionInfo[] scalarFunctions, org.apache.flink.table.types.logical.RowType inputType, org.apache.flink.table.types.logical.RowType outputType, int[] udfInputOffsets, int[] forwardedFields)

Method Summary

Modifier and Type	Method and Description
void	bufferInput(org.apache.flink.table.runtime.types.CRow input) Buffers the specified input, it will be used to construct the operator result together with the user-defined function execution result.
org.apache.flink.types.Row	getFunctionInput(org.apache.flink.table.runtime.types.CRow element)
void	open()

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

getFunctionUrn, getInputOutputCoderUrn, getPythonEnv, getUserDefinedFunctionsProto

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

createPythonFunctionRunner, 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

cRowWrapper

protected transient StreamRecordCRowWrappingCollector cRowWrapper

The collector used to collect records.

Constructor Detail

AbstractRowPythonScalarFunctionOperator

public AbstractRowPythonScalarFunctionOperator(org.apache.flink.configuration.Configuration config,
                                               org.apache.flink.table.functions.python.PythonFunctionInfo[] scalarFunctions,
                                               org.apache.flink.table.types.logical.RowType inputType,
                                               org.apache.flink.table.types.logical.RowType outputType,
                                               int[] udfInputOffsets,
                                               int[] forwardedFields)

Method Detail

open

public void open()
          throws Exception

Specified by:

open in interface org.apache.flink.streaming.api.operators.StreamOperator<org.apache.flink.table.runtime.types.CRow>

Overrides:

open in class AbstractPythonScalarFunctionOperator<org.apache.flink.table.runtime.types.CRow,org.apache.flink.table.runtime.types.CRow,org.apache.flink.types.Row>

Throws:

Exception

bufferInput

public void bufferInput(org.apache.flink.table.runtime.types.CRow input)

Description copied from class: AbstractStatelessFunctionOperator

Buffers the specified input, it will be used to construct the operator result together with the user-defined function execution result.

Specified by:

bufferInput in class AbstractStatelessFunctionOperator<org.apache.flink.table.runtime.types.CRow,org.apache.flink.table.runtime.types.CRow,org.apache.flink.types.Row>

getFunctionInput

public org.apache.flink.types.Row getFunctionInput(org.apache.flink.table.runtime.types.CRow element)

Specified by:

getFunctionInput in class AbstractStatelessFunctionOperator<org.apache.flink.table.runtime.types.CRow,org.apache.flink.table.runtime.types.CRow,org.apache.flink.types.Row>