org.apache.flink.table.runtime.operators.join.lookup

Class LookupJoinRunner

java.lang.Object

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

org.apache.flink.streaming.api.functions.ProcessFunction<BaseRow,BaseRow>

org.apache.flink.table.runtime.operators.join.lookup.LookupJoinRunner

All Implemented Interfaces:

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

Direct Known Subclasses:

LookupJoinWithCalcRunner

public class LookupJoinRunner
extends org.apache.flink.streaming.api.functions.ProcessFunction<BaseRow,BaseRow>

The join runner to lookup the dimension table.

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 and Description
protected TableFunctionCollector<BaseRow>	collector

Constructor Summary

Constructors

Constructor and Description
LookupJoinRunner(GeneratedFunction<org.apache.flink.api.common.functions.FlatMapFunction<BaseRow,BaseRow>> generatedFetcher, GeneratedCollector<TableFunctionCollector<BaseRow>> generatedCollector, boolean isLeftOuterJoin, int tableFieldsCount)

Method Summary

Modifier and Type	Method and Description
void	close()
org.apache.flink.util.Collector<BaseRow>	getFetcherCollector()
void	open(org.apache.flink.configuration.Configuration parameters)
void	processElement(BaseRow in, org.apache.flink.streaming.api.functions.ProcessFunction.Context ctx, org.apache.flink.util.Collector<BaseRow> out)

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

onTimer

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

collector

protected transient TableFunctionCollector<BaseRow> collector

Constructor Detail

LookupJoinRunner

public LookupJoinRunner(GeneratedFunction<org.apache.flink.api.common.functions.FlatMapFunction<BaseRow,BaseRow>> generatedFetcher,
                        GeneratedCollector<TableFunctionCollector<BaseRow>> generatedCollector,
                        boolean isLeftOuterJoin,
                        int tableFieldsCount)

Method Detail

open

public void open(org.apache.flink.configuration.Configuration parameters)
          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

processElement

public void processElement(BaseRow in,
                           org.apache.flink.streaming.api.functions.ProcessFunction.Context ctx,
                           org.apache.flink.util.Collector<BaseRow> out)
                    throws Exception

Specified by:

processElement in class org.apache.flink.streaming.api.functions.ProcessFunction<BaseRow,BaseRow>

Throws:

Exception

getFetcherCollector

public org.apache.flink.util.Collector<BaseRow> getFetcherCollector()

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