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>
OneInputStreamOperator
to one input Transformation
.bufferTimeout, description, id, idCounter, name, outputType, typeUsed, UPPER_BOUND_MAX_PARALLELISM
Constructor and Description |
---|
OneInputTransformation(Transformation<IN> input,
String name,
OneInputStreamOperator<IN,OUT> operator,
TypeInformation<OUT> outputType,
int parallelism)
Creates a new
OneInputTransformation from the given input and operator. |
OneInputTransformation(Transformation<IN> input,
String name,
StreamOperatorFactory<OUT> operatorFactory,
TypeInformation<OUT> outputType,
int parallelism) |
Modifier and Type | Method and Description |
---|---|
List<Transformation<?>> |
getInputs()
Returns the
transformations that are the immediate predecessors of the
current transformation in the transformation graph. |
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. |
KeySelector<IN,?> |
getStateKeySelector()
Returns the
KeySelector that must be used for partitioning keyed state in this
Operation. |
TypeInformation<?> |
getStateKeyType() |
List<Transformation<?>> |
getTransitivePredecessors()
Returns all transitive predecessor
Transformation s of this Transformation . |
void |
setChainingStrategy(ChainingStrategy strategy)
Sets the chaining strategy of this
Transformation . |
void |
setStateKeySelector(KeySelector<IN,?> stateKeySelector)
Sets the
KeySelector that must be used for partitioning keyed state of this
operation. |
void |
setStateKeyType(TypeInformation<?> stateKeyType) |
declareManagedMemoryUseCaseAtOperatorScope, declareManagedMemoryUseCaseAtSlotScope, equals, getBufferTimeout, getCoLocationGroupKey, getDescription, getId, getManagedMemoryOperatorScopeUseCaseWeights, getManagedMemorySlotScopeUseCases, getMaxParallelism, getMinResources, getName, getNewNodeId, getOutputType, getParallelism, getPreferredResources, getSlotSharingGroup, getUid, getUserProvidedNodeHash, hashCode, setBufferTimeout, setCoLocationGroupKey, setDescription, setMaxParallelism, setName, setOutputType, setParallelism, setResources, setSlotSharingGroup, setSlotSharingGroup, setUid, setUidHash, toString, updateManagedMemoryStateBackendUseCase
public OneInputTransformation(Transformation<IN> input, String name, OneInputStreamOperator<IN,OUT> operator, TypeInformation<OUT> outputType, int parallelism)
OneInputTransformation
from the given input and operator.input
- The input Transformation
name
- The name of the Transformation
, this will be shown in Visualizations and
the Logoperator
- The TwoInputStreamOperator
outputType
- The type of the elements produced by this OneInputTransformation
parallelism
- The parallelism of this OneInputTransformation
public OneInputTransformation(Transformation<IN> input, String name, StreamOperatorFactory<OUT> operatorFactory, TypeInformation<OUT> outputType, int parallelism)
public TypeInformation<IN> getInputType()
TypeInformation
for the elements of the input.@VisibleForTesting public OneInputStreamOperator<IN,OUT> getOperator()
public StreamOperatorFactory<OUT> getOperatorFactory()
StreamOperatorFactory
of this Transformation.public void setStateKeySelector(KeySelector<IN,?> stateKeySelector)
KeySelector
that must be used for partitioning keyed state of this
operation.stateKeySelector
- The KeySelector
to setpublic KeySelector<IN,?> getStateKeySelector()
KeySelector
that must be used for partitioning keyed state in this
Operation.public void setStateKeyType(TypeInformation<?> stateKeyType)
public TypeInformation<?> getStateKeyType()
public List<Transformation<?>> getTransitivePredecessors()
Transformation
Transformation
s of this Transformation
.
This is, for example, used when determining whether a feedback edge of an iteration actually
has the iteration head as a predecessor.getTransitivePredecessors
in class Transformation<OUT>
public List<Transformation<?>> getInputs()
Transformation
transformations
that are the immediate predecessors of the
current transformation in the transformation graph.getInputs
in class Transformation<OUT>
public final void setChainingStrategy(ChainingStrategy strategy)
PhysicalTransformation
Transformation
.setChainingStrategy
in class PhysicalTransformation<OUT>
Copyright © 2014–2023 The Apache Software Foundation. All rights reserved.