Package org.apache.flink.table.runtime.operators

Class AbstractFunctionRunner

java.lang.Object

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

org.apache.flink.streaming.api.functions.ProcessFunction<org.apache.flink.table.data.RowData,org.apache.flink.table.data.RowData>

org.apache.flink.table.runtime.operators.AbstractFunctionRunner

All Implemented Interfaces:

Serializable, org.apache.flink.api.common.functions.Function, org.apache.flink.api.common.functions.RichFunction

Direct Known Subclasses:

LookupJoinRunner, MLPredictRunner, VectorSearchRunner

public abstract class AbstractFunctionRunner
extends org.apache.flink.streaming.api.functions.ProcessFunction<org.apache.flink.table.data.RowData,org.apache.flink.table.data.RowData>

Base function runner for specialized table function, e.g. LookupFunction or ProcessFunction.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.flink.streaming.api.functions.ProcessFunction

org.apache.flink.streaming.api.functions.ProcessFunction.Context, org.apache.flink.streaming.api.functions.ProcessFunction.OnTimerContext

Field Summary

Fields

Modifier and Type	Field	Description
protected org.apache.flink.api.common.functions.FlatMapFunction<org.apache.flink.table.data.RowData,org.apache.flink.table.data.RowData>	fetcher

Constructor Summary

Constructors

Constructor	Description
AbstractFunctionRunner(GeneratedFunction<org.apache.flink.api.common.functions.FlatMapFunction<org.apache.flink.table.data.RowData,org.apache.flink.table.data.RowData>> generatedFetcher)

Method Summary

Modifier and Type	Method	Description
void	close()
void	open(org.apache.flink.api.common.functions.OpenContext openContext)

Methods inherited from class org.apache.flink.streaming.api.functions.ProcessFunction

onTimer, processElement

Methods inherited from class org.apache.flink.api.common.functions.AbstractRichFunction

getIterationRuntimeContext, getRuntimeContext, setRuntimeContext

Methods inherited from class java.lang.Object

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

Field Detail

fetcher

protected transient org.apache.flink.api.common.functions.FlatMapFunction<org.apache.flink.table.data.RowData,org.apache.flink.table.data.RowData> fetcher

Constructor Detail

AbstractFunctionRunner

public AbstractFunctionRunner(GeneratedFunction<org.apache.flink.api.common.functions.FlatMapFunction<org.apache.flink.table.data.RowData,org.apache.flink.table.data.RowData>> generatedFetcher)

Method Detail

open

public void open(org.apache.flink.api.common.functions.OpenContext openContext)
          throws Exception

Specified by:

open in interface org.apache.flink.api.common.functions.RichFunction

Overrides:

open in class org.apache.flink.api.common.functions.AbstractRichFunction

Throws:

Exception

close

public void close()
           throws Exception

Specified by:

close in interface org.apache.flink.api.common.functions.RichFunction

Overrides:

close in class org.apache.flink.api.common.functions.AbstractRichFunction

Throws:

Exception