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

Class AbstractRowDataPythonScalarFunctionOperator

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.data.RowData,org.apache.flink.table.data.RowData,org.apache.flink.table.data.RowData>

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

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.data.RowData>, org.apache.flink.streaming.api.operators.KeyContext, org.apache.flink.streaming.api.operators.OneInputStreamOperator<org.apache.flink.table.data.RowData,org.apache.flink.table.data.RowData>, org.apache.flink.streaming.api.operators.SetupableStreamOperator<org.apache.flink.table.data.RowData>, org.apache.flink.streaming.api.operators.StreamOperator<org.apache.flink.table.data.RowData>, org.apache.flink.streaming.api.operators.StreamOperatorStateHandler.CheckpointedStreamOperator, org.apache.flink.util.Disposable

Direct Known Subclasses:

RowDataArrowPythonScalarFunctionOperator, RowDataPythonScalarFunctionOperator

@Internal
public abstract class AbstractRowDataPythonScalarFunctionOperator
extends AbstractPythonScalarFunctionOperator<org.apache.flink.table.data.RowData,org.apache.flink.table.data.RowData,org.apache.flink.table.data.RowData>

The Python ScalarFunction operator for the blink planner.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected org.apache.flink.table.data.utils.JoinedRowData	reuseJoinedRow The JoinedRowData reused holding the execution result.
protected StreamRecordRowDataWrappingCollector	rowDataWrapper 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
AbstractRowDataPythonScalarFunctionOperator(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.data.RowData 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.table.data.RowData	getFunctionInput(org.apache.flink.table.data.RowData 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

rowDataWrapper

protected transient StreamRecordRowDataWrappingCollector rowDataWrapper

The collector used to collect records.

reuseJoinedRow

protected transient org.apache.flink.table.data.utils.JoinedRowData reuseJoinedRow

The JoinedRowData reused holding the execution result.

Constructor Detail

AbstractRowDataPythonScalarFunctionOperator

public AbstractRowDataPythonScalarFunctionOperator(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.data.RowData>

Overrides:

open in class AbstractPythonScalarFunctionOperator<org.apache.flink.table.data.RowData,org.apache.flink.table.data.RowData,org.apache.flink.table.data.RowData>

Throws:

Exception

bufferInput

public void bufferInput(org.apache.flink.table.data.RowData 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.data.RowData,org.apache.flink.table.data.RowData,org.apache.flink.table.data.RowData>

getFunctionInput

public org.apache.flink.table.data.RowData getFunctionInput(org.apache.flink.table.data.RowData element)

Specified by:

getFunctionInput in class AbstractStatelessFunctionOperator<org.apache.flink.table.data.RowData,org.apache.flink.table.data.RowData,org.apache.flink.table.data.RowData>