Package org.apache.flink.streaming.api.transformations

Class OneInputTransformation<IN,OUT>

java.lang.Object
org.apache.flink.api.dag.Transformation<T>
org.apache.flink.streaming.api.transformations.PhysicalTransformation<OUT>
org.apache.flink.streaming.api.transformations.OneInputTransformation<IN,OUT>
Type Parameters:
IN - The type of the elements in the input Transformation
OUT - The type of the elements that result from this OneInputTransformation
@Internal public class OneInputTransformation<IN,OUT> extends PhysicalTransformation<OUT>
This Transformation represents the application of a OneInputStreamOperator to one input Transformation.

  • Field Summary

    Fields inherited from class org.apache.flink.api.dag.Transformation

    bufferTimeout, description, id, name, outputType, typeUsed, UPPER_BOUND_MAX_PARALLELISM

  • Constructor Summary

    Constructors
    Constructor
    Description
    OneInputTransformation(org.apache.flink.api.dag.Transformation<IN> input, String name, OneInputStreamOperator<IN,OUT> operator, org.apache.flink.api.common.typeinfo.TypeInformation<OUT> outputType, int parallelism)
    Creates a new OneInputTransformation from the given input and operator.
    OneInputTransformation(org.apache.flink.api.dag.Transformation<IN> input, String name, OneInputStreamOperator<IN,OUT> operator, org.apache.flink.api.common.typeinfo.TypeInformation<OUT> outputType, int parallelism, boolean parallelismConfigured)
     
    OneInputTransformation(org.apache.flink.api.dag.Transformation<IN> input, String name, StreamOperatorFactory<OUT> operatorFactory, org.apache.flink.api.common.typeinfo.TypeInformation<OUT> outputType, int parallelism)
     
    OneInputTransformation(org.apache.flink.api.dag.Transformation<IN> input, String name, StreamOperatorFactory<OUT> operatorFactory, org.apache.flink.api.common.typeinfo.TypeInformation<OUT> outputType, int parallelism, boolean parallelismConfigured)
    Creates a new LegacySinkTransformation from the given input Transformation.

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    enableAsyncState()
     
    List<org.apache.flink.api.dag.Transformation<?>>
    getInputs()
     
    org.apache.flink.api.common.typeinfo.TypeInformation<IN>
    getInputType()
    Returns the TypeInformation for the elements of the input.
    OneInputStreamOperator<IN,OUT>
    getOperator()
     
    StreamOperatorFactory<OUT>
    getOperatorFactory()
    Returns the StreamOperatorFactory of this Transformation.
    org.apache.flink.api.java.functions.KeySelector<IN,?>
    getStateKeySelector()
    Returns the KeySelector that must be used for partitioning keyed state in this Operation.
    org.apache.flink.api.common.typeinfo.TypeInformation<?>
    getStateKeyType()
     
    protected List<org.apache.flink.api.dag.Transformation<?>>
    getTransitivePredecessorsInternal()
     
    boolean
    isInternalSorterSupported()
     
    boolean
    isOutputOnlyAfterEndOfStream()
     
    final void
    setChainingStrategy(ChainingStrategy strategy)
    Sets the chaining strategy of this Transformation.
    void
    setStateKeySelector(org.apache.flink.api.java.functions.KeySelector<IN,?> stateKeySelector)
    Sets the KeySelector that must be used for partitioning keyed state of this operation.
    void
    setStateKeyType(org.apache.flink.api.common.typeinfo.TypeInformation<?> stateKeyType)
     

    Methods inherited from class org.apache.flink.streaming.api.transformations.PhysicalTransformation

    isSupportsConcurrentExecutionAttempts, setSupportsConcurrentExecutionAttempts

    Methods inherited from class org.apache.flink.api.dag.Transformation

    declareManagedMemoryUseCaseAtOperatorScope, declareManagedMemoryUseCaseAtSlotScope, equals, getAttribute, getBufferTimeout, getCoLocationGroupKey, getDescription, getId, getManagedMemoryOperatorScopeUseCaseWeights, getManagedMemorySlotScopeUseCases, getMaxParallelism, getMinResources, getName, getNewNodeId, getOutputType, getParallelism, getPreferredResources, getSlotSharingGroup, getTransitivePredecessors, getUid, getUserProvidedNodeHash, hashCode, isParallelismConfigured, setAttribute, setBufferTimeout, setCoLocationGroupKey, setDescription, setMaxParallelism, setName, setOutputType, setParallelism, setParallelism, setResources, setSlotSharingGroup, setSlotSharingGroup, setUid, setUidHash, toString, updateManagedMemoryStateBackendUseCase

    Methods inherited from class java.lang.Object

    clone, finalize, getClass, notify, notifyAll, wait, wait, wait

  • Constructor Details

    • OneInputTransformation

      public OneInputTransformation(org.apache.flink.api.dag.Transformation<IN> input, String name, OneInputStreamOperator<IN,OUT> operator, org.apache.flink.api.common.typeinfo.TypeInformation<OUT> outputType, int parallelism)
      Creates a new OneInputTransformation from the given input and operator.
      Parameters:
      input - The input Transformation
      name - The name of the Transformation, this will be shown in Visualizations and the Log
      operator - The TwoInputStreamOperator
      outputType - The type of the elements produced by this OneInputTransformation
      parallelism - The parallelism of this OneInputTransformation

    • OneInputTransformation

      public OneInputTransformation(org.apache.flink.api.dag.Transformation<IN> input, String name, OneInputStreamOperator<IN,OUT> operator, org.apache.flink.api.common.typeinfo.TypeInformation<OUT> outputType, int parallelism, boolean parallelismConfigured)

    • OneInputTransformation

      public OneInputTransformation(org.apache.flink.api.dag.Transformation<IN> input, String name, StreamOperatorFactory<OUT> operatorFactory, org.apache.flink.api.common.typeinfo.TypeInformation<OUT> outputType, int parallelism)

    • OneInputTransformation

      public OneInputTransformation(org.apache.flink.api.dag.Transformation<IN> input, String name, StreamOperatorFactory<OUT> operatorFactory, org.apache.flink.api.common.typeinfo.TypeInformation<OUT> outputType, int parallelism, boolean parallelismConfigured)
      Creates a new LegacySinkTransformation from the given input Transformation.
      Parameters:
      input - The input Transformation
      name - The name of the Transformation, this will be shown in Visualizations and the Log
      operatorFactory - The TwoInputStreamOperator factory
      outputType - The type of the elements produced by this OneInputTransformation
      parallelism - The parallelism of this OneInputTransformation
      parallelismConfigured - If true, the parallelism of the transformation is explicitly set and should be respected. Otherwise the parallelism can be changed at runtime.

  • Method Details

    • getInputType

      public org.apache.flink.api.common.typeinfo.TypeInformation<IN> getInputType()
      Returns the TypeInformation for the elements of the input.

    • getOperator

      @VisibleForTesting public OneInputStreamOperator<IN,OUT> getOperator()

    • getOperatorFactory

      public StreamOperatorFactory<OUT> getOperatorFactory()
      Returns the StreamOperatorFactory of this Transformation.

    • setStateKeySelector

      public void setStateKeySelector(org.apache.flink.api.java.functions.KeySelector<IN,?> stateKeySelector)
      Sets the KeySelector that must be used for partitioning keyed state of this operation.
      Parameters:
      stateKeySelector - The KeySelector to set

    • getStateKeySelector

      public org.apache.flink.api.java.functions.KeySelector<IN,?> getStateKeySelector()
      Returns the KeySelector that must be used for partitioning keyed state in this Operation.
      See Also:

    • setStateKeyType

      public void setStateKeyType(org.apache.flink.api.common.typeinfo.TypeInformation<?> stateKeyType)

    • getStateKeyType

      public org.apache.flink.api.common.typeinfo.TypeInformation<?> getStateKeyType()

    • getTransitivePredecessorsInternal

      protected List<org.apache.flink.api.dag.Transformation<?>> getTransitivePredecessorsInternal()
      Specified by:
      getTransitivePredecessorsInternal in class org.apache.flink.api.dag.Transformation<OUT>

    • getInputs

      public List<org.apache.flink.api.dag.Transformation<?>> getInputs()
      Specified by:
      getInputs in class org.apache.flink.api.dag.Transformation<OUT>

    • setChainingStrategy

      public final void setChainingStrategy(ChainingStrategy strategy)
      Description copied from class: PhysicalTransformation
      Sets the chaining strategy of this Transformation.
      Specified by:
      setChainingStrategy in class PhysicalTransformation<OUT>

    • isOutputOnlyAfterEndOfStream

      public boolean isOutputOnlyAfterEndOfStream()

    • isInternalSorterSupported

      public boolean isInternalSorterSupported()

    • enableAsyncState

      public void enableAsyncState()
      Overrides:
      enableAsyncState in class org.apache.flink.api.dag.Transformation<OUT>