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

Class KeyedLookupJoinWrapper

java.lang.Object

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

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

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

All Implemented Interfaces:

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

public class KeyedLookupJoinWrapper
extends org.apache.flink.streaming.api.functions.KeyedProcessFunction<org.apache.flink.table.data.RowData,org.apache.flink.table.data.RowData,org.apache.flink.table.data.RowData>

The lookup join handler which holds a LookupJoinRunner to process lookup for insert or update_after record and directly process delete and update_before record via local state.

See Also:

Serialized Form

Nested Class Summary

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

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

Constructor Summary

Constructors

Constructor and Description
KeyedLookupJoinWrapper(LookupJoinRunner lookupJoinRunner, org.apache.flink.api.common.state.StateTtlConfig ttlConfig, org.apache.flink.api.common.typeutils.TypeSerializer<org.apache.flink.table.data.RowData> serializer, boolean lookupKeyContainsPrimaryKey)

Method Summary

Modifier and Type	Method and Description
void	close()
void	open(org.apache.flink.api.common.functions.OpenContext openContext)
void	processElement(org.apache.flink.table.data.RowData in, org.apache.flink.streaming.api.functions.KeyedProcessFunction.Context ctx, org.apache.flink.util.Collector<org.apache.flink.table.data.RowData> out)

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

onTimer

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

getIterationRuntimeContext, getRuntimeContext, open, setRuntimeContext

Methods inherited from class java.lang.Object

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

Constructor Detail

KeyedLookupJoinWrapper

public KeyedLookupJoinWrapper(LookupJoinRunner lookupJoinRunner,
                              org.apache.flink.api.common.state.StateTtlConfig ttlConfig,
                              org.apache.flink.api.common.typeutils.TypeSerializer<org.apache.flink.table.data.RowData> serializer,
                              boolean lookupKeyContainsPrimaryKey)

Method Detail

open

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

Throws:

Exception

processElement

public void processElement(org.apache.flink.table.data.RowData in,
                           org.apache.flink.streaming.api.functions.KeyedProcessFunction.Context ctx,
                           org.apache.flink.util.Collector<org.apache.flink.table.data.RowData> out)
                    throws Exception

Specified by:

processElement in class org.apache.flink.streaming.api.functions.KeyedProcessFunction<org.apache.flink.table.data.RowData,org.apache.flink.table.data.RowData,org.apache.flink.table.data.RowData>

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