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

Class KeyedMultipleInputTransformation<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.AbstractMultipleInputTransformation<OUT>

org.apache.flink.streaming.api.transformations.KeyedMultipleInputTransformation<OUT>

@Internal
public class KeyedMultipleInputTransformation<OUT>
extends AbstractMultipleInputTransformation<OUT>

AbstractMultipleInputTransformation implementation for keyed streams.

Field Summary

Fields

Modifier and Type	Field	Description
protected final org.apache.flink.api.common.typeinfo.TypeInformation<?>	stateKeyType

Fields inherited from class org.apache.flink.streaming.api.transformations.AbstractMultipleInputTransformation

inputs, operatorFactory

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
KeyedMultipleInputTransformation(String name, StreamOperatorFactory<OUT> operatorFactory, org.apache.flink.api.common.typeinfo.TypeInformation<OUT> outputType, int parallelism, org.apache.flink.api.common.typeinfo.TypeInformation<?> stateKeyType)

Method Summary

Modifier and Type	Method	Description
KeyedMultipleInputTransformation<OUT>	addInput(org.apache.flink.api.dag.Transformation<?> input, org.apache.flink.api.java.functions.KeySelector<?,?> keySelector)
List<org.apache.flink.api.java.functions.KeySelector<?,?>>	getStateKeySelectors()
org.apache.flink.api.common.typeinfo.TypeInformation<?>	getStateKeyType()

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

getInputs, getInputTypes, getOperatorFactory, getTransitivePredecessorsInternal, isInternalSorterSupported, isOutputOnlyAfterEndOfStream, setChainingStrategy

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, enableAsyncState, 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

Field Details

stateKeyType

protected final org.apache.flink.api.common.typeinfo.TypeInformation<?> stateKeyType

Constructor Details

KeyedMultipleInputTransformation

public KeyedMultipleInputTransformation(String name,
 StreamOperatorFactory<OUT> operatorFactory,
 org.apache.flink.api.common.typeinfo.TypeInformation<OUT> outputType,
 int parallelism,
 org.apache.flink.api.common.typeinfo.TypeInformation<?> stateKeyType)

Method Details

addInput

public KeyedMultipleInputTransformation<OUT> addInput(org.apache.flink.api.dag.Transformation<?> input,
 org.apache.flink.api.java.functions.KeySelector<?,?> keySelector)

getStateKeyType

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

getStateKeySelectors

public List<org.apache.flink.api.java.functions.KeySelector<?,?>> getStateKeySelectors()