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

Class AdaptiveJoinOperatorFactory<OUT>

java.lang.Object
org.apache.flink.streaming.api.operators.AbstractStreamOperatorFactory<OUT>
org.apache.flink.table.runtime.operators.join.adaptive.AdaptiveJoinOperatorFactory<OUT>
Type Parameters:
OUT - The output type of the operator
All Implemented Interfaces:
Serializable, org.apache.flink.streaming.api.operators.StreamOperatorFactory<OUT>, org.apache.flink.streaming.runtime.tasks.ProcessingTimeServiceAware, AdaptiveJoin
@Internal public class AdaptiveJoinOperatorFactory<OUT> extends org.apache.flink.streaming.api.operators.AbstractStreamOperatorFactory<OUT> implements AdaptiveJoin
Adaptive join factory.

Note: This class will hold an AdaptiveJoin and serve as a proxy class to provide an interface externally. Due to runtime access visibility constraints with the table-planner module, the AdaptiveJoin object will be serialized during the Table Planner phase and will only be lazily deserialized before the dynamic generation of the JobGraph.

See Also:

  • Field Summary

    Fields inherited from class org.apache.flink.streaming.api.operators.AbstractStreamOperatorFactory

    chainingStrategy, processingTimeService

  • Constructor Summary

    Constructors
    Constructor
    Description
    AdaptiveJoinOperatorFactory(byte[] adaptiveJoinSerialized)
     

  • Method Summary

    Modifier and Type
    Method
    Description
    <T extends org.apache.flink.streaming.api.operators.StreamOperator<OUT>>
    T
    createStreamOperator(org.apache.flink.streaming.api.operators.StreamOperatorParameters<OUT> parameters)
     
    org.apache.flink.streaming.api.operators.StreamOperatorFactory<?>
    genOperatorFactory(ClassLoader classLoader, org.apache.flink.configuration.ReadableConfig config)
    Generates a StreamOperatorFactory for this join operator using the provided ClassLoader and config.
    FlinkJoinType
    getJoinType()
    Get the join type of the join operator.
    Class<? extends org.apache.flink.streaming.api.operators.StreamOperator>
    getStreamOperatorClass(ClassLoader classLoader)
     
    void
    markAsBroadcastJoin(boolean canBeBroadcast, boolean leftIsBuild)
    Determine whether the adaptive join operator can be optimized as broadcast hash join and decide which input side is the build side or a smaller side.
    boolean
    shouldReorderInputs()
    Check if the adaptive join node needs to adjust the read order of the input sides.

    Methods inherited from class org.apache.flink.streaming.api.operators.AbstractStreamOperatorFactory

    getChainingStrategy, getMailboxExecutor, setChainingStrategy, setMailboxExecutor, setProcessingTimeService

    Methods inherited from class java.lang.Object

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

    Methods inherited from interface org.apache.flink.streaming.api.operators.StreamOperatorFactory

    getOperatorAttributes, isInputTypeConfigurable, isLegacySource, isOutputTypeConfigurable, isStreamSource, setInputType, setOutputType

  • Constructor Details

    • AdaptiveJoinOperatorFactory

      public AdaptiveJoinOperatorFactory(byte[] adaptiveJoinSerialized)

  • Method Details

    • genOperatorFactory

      public org.apache.flink.streaming.api.operators.StreamOperatorFactory<?> genOperatorFactory(ClassLoader classLoader, org.apache.flink.configuration.ReadableConfig config)
      Description copied from interface: AdaptiveJoin
      Generates a StreamOperatorFactory for this join operator using the provided ClassLoader and config.
      Specified by:
      genOperatorFactory in interface AdaptiveJoin
      Parameters:
      classLoader - the ClassLoader to be used for loading classes.
      config - the configuration to be applied for creating the operator factory.
      Returns:
      a StreamOperatorFactory instance.

    • getJoinType

      public FlinkJoinType getJoinType()
      Description copied from interface: AdaptiveJoin
      Get the join type of the join operator.
      Specified by:
      getJoinType in interface AdaptiveJoin
      Returns:
      the join type.

    • markAsBroadcastJoin

      public void markAsBroadcastJoin(boolean canBeBroadcast, boolean leftIsBuild)
      Description copied from interface: AdaptiveJoin
      Determine whether the adaptive join operator can be optimized as broadcast hash join and decide which input side is the build side or a smaller side.
      Specified by:
      markAsBroadcastJoin in interface AdaptiveJoin
      Parameters:
      canBeBroadcast - whether the join operator can be optimized to broadcast hash join.
      leftIsBuild - whether the left input side is the build side.

    • shouldReorderInputs

      public boolean shouldReorderInputs()
      Description copied from interface: AdaptiveJoin
      Check if the adaptive join node needs to adjust the read order of the input sides. For the hash join operator, it is necessary to ensure that the build side is read first.
      Specified by:
      shouldReorderInputs in interface AdaptiveJoin
      Returns:
      whether the inputs should be reordered.

    • createStreamOperator

      public <T extends org.apache.flink.streaming.api.operators.StreamOperator<OUT>> T createStreamOperator(org.apache.flink.streaming.api.operators.StreamOperatorParameters<OUT> parameters)
      Specified by:
      createStreamOperator in interface org.apache.flink.streaming.api.operators.StreamOperatorFactory<OUT>

    • getStreamOperatorClass

      public Class<? extends org.apache.flink.streaming.api.operators.StreamOperator> getStreamOperatorClass(ClassLoader classLoader)
      Specified by:
      getStreamOperatorClass in interface org.apache.flink.streaming.api.operators.StreamOperatorFactory<OUT>