org.apache.flink.streaming.api.transformations

Class SinkTransformation<T>

java.lang.Object

org.apache.flink.api.dag.Transformation<T>

org.apache.flink.streaming.api.transformations.PhysicalTransformation<Object>

org.apache.flink.streaming.api.transformations.SinkTransformation<T>

Type Parameters:

T - The type of the elements in the input SinkTransformation

@Internal
public class SinkTransformation<T>
extends PhysicalTransformation<Object>

This Transformation represents a Sink.

Field Summary

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

bufferTimeout, DEFAULT_MANAGED_MEMORY_WEIGHT, id, idCounter, name, outputType, typeUsed, UPPER_BOUND_MAX_PARALLELISM

Constructor Summary

Constructors

Constructor and Description
SinkTransformation(org.apache.flink.api.dag.Transformation<T> input, String name, StreamOperatorFactory<Object> operatorFactory, int parallelism)
SinkTransformation(org.apache.flink.api.dag.Transformation<T> input, String name, StreamSink<T> operator, int parallelism) Creates a new SinkTransformation from the given input Transformation.

Method Summary

Modifier and Type	Method and Description
org.apache.flink.api.dag.Transformation<T>	getInput() Returns the input Transformation of this SinkTransformation.
StreamSink<T>	getOperator()
StreamOperatorFactory<Object>	getOperatorFactory() Returns the StreamOperatorFactory of this SinkTransformation.
org.apache.flink.api.java.functions.KeySelector<T,?>	getStateKeySelector() Returns the KeySelector that must be used for partitioning keyed state in this Sink.
org.apache.flink.api.common.typeinfo.TypeInformation<?>	getStateKeyType()
Collection<org.apache.flink.api.dag.Transformation<?>>	getTransitivePredecessors()
void	setChainingStrategy(ChainingStrategy strategy) Sets the chaining strategy of this Transformation.
void	setStateKeySelector(org.apache.flink.api.java.functions.KeySelector<T,?> stateKeySelector) Sets the KeySelector that must be used for partitioning keyed state of this Sink.
void	setStateKeyType(org.apache.flink.api.common.typeinfo.TypeInformation<?> stateKeyType)

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

equals, getBufferTimeout, getCoLocationGroupKey, getId, getManagedMemoryWeight, getMaxParallelism, getMinResources, getName, getNewNodeId, getOutputType, getParallelism, getPreferredResources, getSlotSharingGroup, getUid, getUserProvidedNodeHash, hashCode, setBufferTimeout, setCoLocationGroupKey, setManagedMemoryWeight, setMaxParallelism, setName, setOutputType, setParallelism, setResources, setSlotSharingGroup, setUid, setUidHash, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

SinkTransformation

public SinkTransformation(org.apache.flink.api.dag.Transformation<T> input,
                          String name,
                          StreamSink<T> operator,
                          int parallelism)

Creates a new SinkTransformation 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

operator - The sink operator

parallelism - The parallelism of this SinkTransformation

SinkTransformation

public SinkTransformation(org.apache.flink.api.dag.Transformation<T> input,
                          String name,
                          StreamOperatorFactory<Object> operatorFactory,
                          int parallelism)

Method Detail

getInput

public org.apache.flink.api.dag.Transformation<T> getInput()

Returns the input Transformation of this SinkTransformation.

getOperator

@VisibleForTesting
public StreamSink<T> getOperator()

getOperatorFactory

public StreamOperatorFactory<Object> getOperatorFactory()

Returns the StreamOperatorFactory of this SinkTransformation.

setStateKeySelector

public void setStateKeySelector(org.apache.flink.api.java.functions.KeySelector<T,?> stateKeySelector)

Sets the KeySelector that must be used for partitioning keyed state of this Sink.

Parameters:

stateKeySelector - The KeySelector to set

getStateKeySelector

public org.apache.flink.api.java.functions.KeySelector<T,?> getStateKeySelector()

Returns the KeySelector that must be used for partitioning keyed state in this Sink.

See Also:

setStateKeySelector(org.apache.flink.api.java.functions.KeySelector<T, ?>)

setStateKeyType

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

getStateKeyType

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

getTransitivePredecessors

public Collection<org.apache.flink.api.dag.Transformation<?>> getTransitivePredecessors()

Specified by:

getTransitivePredecessors in class org.apache.flink.api.dag.Transformation<Object>

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<Object>