org.apache.flink.streaming.api.transformations

类 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>

类型参数:

IN - The input and output type of the transformation.

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

A PhysicalTransformation for a DataStream.assignTimestampsAndWatermarks(WatermarkStrategy).

字段概要

从类继承的字段 org.apache.flink.api.dag.Transformation

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

构造器概要

构造器

构造器和说明
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.

方法概要

限定符和类型	方法和说明
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.

从类继承的方法 org.apache.flink.api.dag.Transformation

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

从类继承的方法 java.lang.Object

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

构造器详细资料

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.

参数:

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

方法详细资料

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()

指定者:

getTransitivePredecessors 在类中 org.apache.flink.api.dag.Transformation<IN>

getInputs

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

指定者:

getInputs 在类中 org.apache.flink.api.dag.Transformation<IN>

getChainingStrategy

public ChainingStrategy getChainingStrategy()

setChainingStrategy

public void setChainingStrategy(ChainingStrategy chainingStrategy)

从类复制的说明: PhysicalTransformation

Sets the chaining strategy of this Transformation.

指定者:

setChainingStrategy 在类中 PhysicalTransformation<IN>