org.apache.flink.streaming.api.transformations

Class TimestampsAndWatermarksTransformation<IN>

java.lang.Object

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

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

org.apache.flink.streaming.api.transformations.TimestampsAndWatermarksTransformation<IN>

Type Parameters:

IN - The input and output type of the transformation.

@Internal
public class TimestampsAndWatermarksTransformation<IN>
extends PhysicalTransformation<IN>

A PhysicalTransformation for a DataStream.assignTimestampsAndWatermarks(WatermarkStrategy).

Field Summary

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

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

Constructor Summary

Constructors

Constructor and Description
TimestampsAndWatermarksTransformation(String name, int parallelism, org.apache.flink.api.dag.Transformation<IN> input, org.apache.flink.api.common.eventtime.WatermarkStrategy<IN> watermarkStrategy) Creates a new Transformation with the given name, output type and parallelism.

Method Summary

Modifier and Type	Method and Description
ChainingStrategy	getChainingStrategy()
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.
List<org.apache.flink.api.dag.Transformation<?>>	getTransitivePredecessors()
org.apache.flink.api.common.eventtime.WatermarkStrategy<IN>	getWatermarkStrategy() Returns the WatermarkStrategy to use.
void	setChainingStrategy(ChainingStrategy chainingStrategy) Sets the chaining strategy of this Transformation.

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

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

Methods inherited from class java.lang.Object

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

Constructor Detail

TimestampsAndWatermarksTransformation

public TimestampsAndWatermarksTransformation(String name,
                                             int parallelism,
                                             org.apache.flink.api.dag.Transformation<IN> input,
                                             org.apache.flink.api.common.eventtime.WatermarkStrategy<IN> watermarkStrategy)

Creates a new Transformation with the given name, output type and parallelism.

Parameters:

name - The name of the Transformation, this will be shown in Visualizations and the Log

parallelism - The parallelism of this Transformation

input - The input transformation of this Transformation

watermarkStrategy - The WatermarkStrategy to use

Method Detail

getInputType

public org.apache.flink.api.common.typeinfo.TypeInformation<IN> getInputType()

Returns the TypeInformation for the elements of the input.

getWatermarkStrategy

public org.apache.flink.api.common.eventtime.WatermarkStrategy<IN> getWatermarkStrategy()

Returns the WatermarkStrategy to use.

getTransitivePredecessors

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

Specified by:

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

getInputs

public List<org.apache.flink.api.dag.Transformation<?>> getInputs()

Specified by:

getInputs in class org.apache.flink.api.dag.Transformation<IN>

getChainingStrategy

public ChainingStrategy getChainingStrategy()

setChainingStrategy

public void setChainingStrategy(ChainingStrategy chainingStrategy)

Description copied from class: PhysicalTransformation

Sets the chaining strategy of this Transformation.

Specified by:

setChainingStrategy in class PhysicalTransformation<IN>