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

类 PythonScalarFunctionOperator

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

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

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.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

@Internal
public class PythonScalarFunctionOperator
extends AbstractRowPythonScalarFunctionOperator

The Python ScalarFunction operator for the legacy planner.

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.scalar.AbstractRowPythonScalarFunctionOperator

cRowWrapper

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

forwardedFields, scalarFunctions

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

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

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

elementCount, maxBundleSize, pythonFunctionRunner

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

chainingStrategy, latencyStats, LOG, metrics, output, processingTimeService

构造器概要

构造器

构造器和说明
PythonScalarFunctionOperator(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)

方法概要

限定符和类型	方法和说明
void	emitResult(org.apache.flink.api.java.tuple.Tuple2<byte[],Integer> resultTuple) Sends the execution result to the downstream operator.
void	open()
void	processElementInternal(org.apache.flink.table.runtime.types.CRow value)

从类继承的方法 org.apache.flink.table.runtime.operators.python.scalar.AbstractRowPythonScalarFunctionOperator

bufferInput, getFunctionInput

从类继承的方法 org.apache.flink.table.runtime.operators.python.scalar.AbstractPythonScalarFunctionOperator

getFunctionUrn, getInputOutputCoderUrn, getPythonEnv, getUserDefinedFunctionsProto

从类继承的方法 org.apache.flink.table.runtime.operators.python.AbstractStatelessFunctionOperator

createPythonFunctionRunner, processElement

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

endInput

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

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

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, getTimeServiceManager, getUserCodeClassloader, initializeState, initializeState, isUsingCustomRawKeyedState, notifyCheckpointAborted, notifyCheckpointComplete, processLatencyMarker, processLatencyMarker1, processLatencyMarker2, processWatermark1, processWatermark2, reportOrForwardLatencyMarker, setChainingStrategy, setCurrentKey, setKeyContextElement1, setKeyContextElement2, setProcessingTimeService, setup, snapshotState, snapshotState

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, dispose, getMetricGroup, 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, processWatermark

构造器详细资料

PythonScalarFunctionOperator

public PythonScalarFunctionOperator(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)

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.runtime.types.CRow>

覆盖:

open 在类中 AbstractRowPythonScalarFunctionOperator

抛出:

Exception

processElementInternal

public void processElementInternal(org.apache.flink.table.runtime.types.CRow value)
                            throws Exception

指定者:

processElementInternal 在类中 AbstractStatelessFunctionOperator<org.apache.flink.table.runtime.types.CRow,org.apache.flink.table.runtime.types.CRow,org.apache.flink.types.Row>

抛出:

Exception

emitResult

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

从类复制的说明: AbstractPythonFunctionOperator

Sends the execution result to the downstream operator.

指定者:

emitResult 在类中 AbstractPythonFunctionOperator<org.apache.flink.table.runtime.types.CRow>

抛出:

Exception