org.apache.flink.table.runtime.functions.python

类 AbstractPythonScalarFunctionFlatMap

java.lang.Object

org.apache.flink.api.common.functions.AbstractRichFunction

org.apache.flink.api.common.functions.RichFlatMapFunction<org.apache.flink.types.Row,org.apache.flink.types.Row>

org.apache.flink.table.runtime.functions.python.AbstractPythonStatelessFunctionFlatMap

org.apache.flink.table.runtime.functions.python.AbstractPythonScalarFunctionFlatMap

所有已实现的接口:

Serializable, org.apache.flink.api.common.functions.FlatMapFunction<org.apache.flink.types.Row,org.apache.flink.types.Row>, org.apache.flink.api.common.functions.Function, org.apache.flink.api.common.functions.RichFunction, org.apache.flink.api.java.typeutils.ResultTypeQueryable<org.apache.flink.types.Row>

直接已知子类:

ArrowPythonScalarFunctionFlatMap, PythonScalarFunctionFlatMap

@Internal
public abstract class AbstractPythonScalarFunctionFlatMap
extends AbstractPythonStatelessFunctionFlatMap

The abstract base RichFlatMapFunction used to invoke Python ScalarFunction functions for the old planner.

另请参阅:

序列化表格

字段概要

字段

限定符和类型	字段和说明
org.apache.flink.table.functions.python.PythonFunctionInfo[]	scalarFunctions The Python ScalarFunctions to be executed.

从类继承的字段 org.apache.flink.table.runtime.functions.python.AbstractPythonStatelessFunctionFlatMap

bais, baisWrapper, baos, forwardedInputQueue, forwardedInputSerializer, inputType, jobOptions, outputType, pythonFunctionRunner, resultCollector, userDefinedFunctionInputType, userDefinedFunctionOutputType

构造器概要

构造器

构造器和说明
AbstractPythonScalarFunctionFlatMap(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	bufferInput(org.apache.flink.types.Row input)
int	getForwardedFieldsCount()
String	getFunctionUrn()
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(org.apache.flink.configuration.Configuration parameters)

从类继承的方法 org.apache.flink.table.runtime.functions.python.AbstractPythonStatelessFunctionFlatMap

checkInvokeFinishBundleByCount, close, createPythonEnvironmentManager, emitResult, flatMap, getFlinkMetricContainer, getFunctionInput, getInputOutputCoderUrn, getProducedType, getPythonConfig, invokeFinishBundle, processElementInternal

从类继承的方法 org.apache.flink.api.common.functions.AbstractRichFunction

getIterationRuntimeContext, getRuntimeContext, setRuntimeContext

从类继承的方法 java.lang.Object

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

字段详细资料

scalarFunctions

public final org.apache.flink.table.functions.python.PythonFunctionInfo[] scalarFunctions

The Python ScalarFunctions to be executed.

构造器详细资料

AbstractPythonScalarFunctionFlatMap

public AbstractPythonScalarFunctionFlatMap(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(org.apache.flink.configuration.Configuration parameters)
          throws Exception

指定者:

open 在接口中 org.apache.flink.api.common.functions.RichFunction

覆盖:

open 在类中 AbstractPythonStatelessFunctionFlatMap

抛出:

Exception

getPythonEnv

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

从类复制的说明: AbstractPythonStatelessFunctionFlatMap

Returns the PythonEnv used to create PythonEnvironmentManager..

指定者:

getPythonEnv 在类中 AbstractPythonStatelessFunctionFlatMap

bufferInput

public void bufferInput(org.apache.flink.types.Row input)

指定者:

bufferInput 在类中 AbstractPythonStatelessFunctionFlatMap

getForwardedFieldsCount

public int getForwardedFieldsCount()

指定者:

getForwardedFieldsCount 在类中 AbstractPythonStatelessFunctionFlatMap

getUserDefinedFunctionsProto

public FlinkFnApi.UserDefinedFunctions getUserDefinedFunctionsProto()

从类复制的说明: AbstractPythonStatelessFunctionFlatMap

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

指定者:

getUserDefinedFunctionsProto 在类中 AbstractPythonStatelessFunctionFlatMap

getFunctionUrn

public String getFunctionUrn()

指定者:

getFunctionUrn 在类中 AbstractPythonStatelessFunctionFlatMap