org.apache.flink.streaming.api.transformations

类 SourceTransformation<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.SourceTransformation<OUT>

@Internal
public class SourceTransformation<OUT>
extends PhysicalTransformation<OUT>

A PhysicalTransformation for Source.

字段概要

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

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

构造器概要

构造器

构造器和说明
SourceTransformation(String name, SourceOperatorFactory<OUT> sourceFactory, org.apache.flink.api.common.typeinfo.TypeInformation<OUT> outputType, int parallelism) 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
SourceOperatorFactory<OUT>	getOperatorFactory() Returns the StreamOperatorFactory of this LegacySourceTransformation.
Collection<org.apache.flink.api.dag.Transformation<?>>	getTransitivePredecessors()
void	setChainingStrategy(ChainingStrategy strategy) Sets the chaining strategy of this Transformation.

从类继承的方法 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

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

SourceTransformation

public SourceTransformation(String name,
                            SourceOperatorFactory<OUT> sourceFactory,
                            org.apache.flink.api.common.typeinfo.TypeInformation<OUT> outputType,
                            int parallelism)

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

sourceFactory - The operator factory for SourceOperator.

outputType - The output type of this Transformation

parallelism - The parallelism of this Transformation

方法详细资料

getOperatorFactory

public SourceOperatorFactory<OUT> getOperatorFactory()

Returns the StreamOperatorFactory of this LegacySourceTransformation.

getTransitivePredecessors

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

指定者:

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

setChainingStrategy

public final void setChainingStrategy(ChainingStrategy strategy)

从类复制的说明: PhysicalTransformation

Sets the chaining strategy of this Transformation.

指定者:

setChainingStrategy 在类中 PhysicalTransformation<OUT>