Package 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:

  • 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
    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
    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<org.apache.flink.table.data.RowData,org.apache.flink.table.data.RowData,org.apache.flink.table.data.RowData>.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, setRuntimeContext

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • 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 Details

    • 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

    • processElement

      public void processElement(org.apache.flink.table.data.RowData in, 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.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