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

类 EmbeddedPythonScalarFunctionOperator

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.embedded.AbstractEmbeddedPythonFunctionOperator<org.apache.flink.table.data.RowData>

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

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

所有已实现的接口:

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.KeyContextHandler, 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.streaming.api.operators.YieldingOperator<org.apache.flink.table.data.RowData>

@Internal
public class EmbeddedPythonScalarFunctionOperator
extends AbstractEmbeddedStatelessFunctionOperator

The Python ScalarFunction operator in embedded Python environment.

另请参阅:

序列化表格

字段概要

从类继承的字段 org.apache.flink.table.runtime.operators.python.AbstractEmbeddedStatelessFunctionOperator

inputType, reuseResultRowData, rowDataWrapper, udfInputOffsets, udfInputType, udfOutputType, userDefinedFunctionInputArgs, userDefinedFunctionInputConverters, userDefinedFunctionOutputConverters

从类继承的字段 org.apache.flink.streaming.api.operators.python.embedded.AbstractEmbeddedPythonFunctionOperator

interpreter

从类继承的字段 org.apache.flink.streaming.api.operators.python.AbstractPythonFunctionOperator

bundleFinishedCallback, config, elementCount, lastFinishBundleTime, maxBundleSize, systemEnvEnabled

从类继承的字段 org.apache.flink.streaming.api.operators.AbstractStreamOperator

chainingStrategy, lastRecordAttributes1, lastRecordAttributes2, latencyStats, LOG, metrics, output, processingTimeService, stateHandler, stateKeySelector1, stateKeySelector2, timeServiceManager

构造器概要

构造器

构造器和说明

EmbeddedPythonScalarFunctionOperator(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 udfInputType, org.apache.flink.table.types.logical.RowType udfOutputType, int[] udfInputOffsets, org.apache.flink.table.runtime.generated.GeneratedProjection forwardedFieldGeneratedProjection)

方法概要

限定符和类型	方法和说明
void	endInput()
void	open()
void	openPythonInterpreter() Setup method for Python Interpreter.
void	processElement(org.apache.flink.streaming.runtime.streamrecord.StreamRecord<org.apache.flink.table.data.RowData> element)

从类继承的方法 org.apache.flink.streaming.api.operators.python.embedded.AbstractEmbeddedPythonFunctionOperator

close, createPythonEnvironmentManager, invokeFinishBundle

从类继承的方法 org.apache.flink.streaming.api.operators.python.AbstractPythonFunctionOperator

checkInvokeFinishBundleByCount, finish, getConfiguration, getFlinkMetricContainer, isBundleFinished, prepareSnapshotPreBarrier, processWatermark, setCurrentKey

从类继承的方法 org.apache.flink.streaming.api.operators.AbstractStreamOperator

getChainingStrategy, 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, useSplittableTimers

从类继承的方法 java.lang.Object

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

从接口继承的方法 org.apache.flink.streaming.api.operators.OneInputStreamOperator

setKeyContextElement

从接口继承的方法 org.apache.flink.streaming.api.operators.StreamOperator

close, finish, getMetricGroup, getOperatorAttributes, getOperatorID, initializeState, prepareSnapshotPreBarrier, setKeyContextElement1, setKeyContextElement2, snapshotState

从接口继承的方法 org.apache.flink.api.common.state.CheckpointListener

notifyCheckpointAborted, notifyCheckpointComplete

从接口继承的方法 org.apache.flink.streaming.api.operators.KeyContext

getCurrentKey, setCurrentKey

从接口继承的方法 org.apache.flink.streaming.api.operators.Input

processLatencyMarker, processRecordAttributes, processWatermark, processWatermarkStatus

从接口继承的方法 org.apache.flink.streaming.api.operators.KeyContextHandler

hasKeyContext

构造器详细资料

EmbeddedPythonScalarFunctionOperator

public EmbeddedPythonScalarFunctionOperator(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 udfInputType,
                                            org.apache.flink.table.types.logical.RowType udfOutputType,
                                            int[] udfInputOffsets,
                                            @Nullable
                                            org.apache.flink.table.runtime.generated.GeneratedProjection forwardedFieldGeneratedProjection)

方法详细资料

open

public void open()
          throws Exception

指定者:

open 在接口中 org.apache.flink.streaming.api.operators.StreamOperator<org.apache.flink.table.data.RowData>

覆盖:

open 在类中 AbstractEmbeddedStatelessFunctionOperator

抛出:

Exception

openPythonInterpreter

public void openPythonInterpreter()

从类复制的说明: AbstractEmbeddedPythonFunctionOperator

Setup method for Python Interpreter.

指定者:

openPythonInterpreter 在类中 AbstractEmbeddedPythonFunctionOperator<org.apache.flink.table.data.RowData>

endInput

public void endInput()

processElement

public void processElement(org.apache.flink.streaming.runtime.streamrecord.StreamRecord<org.apache.flink.table.data.RowData> element)