类的使用
org.apache.flink.streaming.runtime.partitioner.StreamPartitioner

使用StreamPartitioner的程序包

程序包	说明
org.apache.flink.streaming.api.datastream
org.apache.flink.streaming.api.graph
org.apache.flink.streaming.api.transformations
org.apache.flink.streaming.runtime.partitioner

org.apache.flink.streaming.api.datastream中StreamPartitioner的使用

参数类型为StreamPartitioner的org.apache.flink.streaming.api.datastream中的方法

限定符和类型	方法和说明
protected DataStream<T>	KeyedStream.setConnectionType(StreamPartitioner<T> partitioner)
protected DataStream<T>	DataStream.setConnectionType(StreamPartitioner<T> partitioner) Internal function for setting the partitioner for the DataStream.

org.apache.flink.streaming.api.graph中StreamPartitioner的使用

返回StreamPartitioner的org.apache.flink.streaming.api.graph中的方法

限定符和类型	方法和说明
StreamPartitioner<?>	StreamEdge.getPartitioner()

参数类型为StreamPartitioner的org.apache.flink.streaming.api.graph中的方法

限定符和类型	方法和说明
void	StreamGraph.addVirtualPartitionNode(Integer originalId, Integer virtualId, StreamPartitioner<?> partitioner, ShuffleMode shuffleMode) Adds a new virtual node that is used to connect a downstream vertex to an input with a certain partitioning.
void	StreamEdge.setPartitioner(StreamPartitioner<?> partitioner)

参数类型为StreamPartitioner的org.apache.flink.streaming.api.graph中的构造器

构造器和说明
StreamEdge(StreamNode sourceVertex, StreamNode targetVertex, int typeNumber, List<String> selectedNames, StreamPartitioner<?> outputPartitioner, org.apache.flink.util.OutputTag outputTag)
StreamEdge(StreamNode sourceVertex, StreamNode targetVertex, int typeNumber, List<String> selectedNames, StreamPartitioner<?> outputPartitioner, org.apache.flink.util.OutputTag outputTag, ShuffleMode shuffleMode)
StreamEdge(StreamNode sourceVertex, StreamNode targetVertex, int typeNumber, long bufferTimeout, List<String> selectedNames, StreamPartitioner<?> outputPartitioner, org.apache.flink.util.OutputTag outputTag, ShuffleMode shuffleMode)

org.apache.flink.streaming.api.transformations中StreamPartitioner的使用

返回StreamPartitioner的org.apache.flink.streaming.api.transformations中的方法

限定符和类型	方法和说明
StreamPartitioner<T>	PartitionTransformation.getPartitioner() Returns the StreamPartitioner that must be used for partitioning the elements of the input Transformation.

参数类型为StreamPartitioner的org.apache.flink.streaming.api.transformations中的构造器

构造器和说明
PartitionTransformation(org.apache.flink.api.dag.Transformation<T> input, StreamPartitioner<T> partitioner) Creates a new PartitionTransformation from the given input and StreamPartitioner.
PartitionTransformation(org.apache.flink.api.dag.Transformation<T> input, StreamPartitioner<T> partitioner, ShuffleMode shuffleMode) Creates a new PartitionTransformation from the given input and StreamPartitioner.

org.apache.flink.streaming.runtime.partitioner中StreamPartitioner的使用

org.apache.flink.streaming.runtime.partitioner中StreamPartitioner的子类

限定符和类型	类和说明
class	BroadcastPartitioner<T> Partitioner that selects all the output channels.
class	CustomPartitionerWrapper<K,T> Partitioner that selects the channel with a user defined partitioner function on a key.
class	ForwardPartitioner<T> Partitioner that forwards elements only to the locally running downstream operation.
class	GlobalPartitioner<T> Partitioner that sends all elements to the downstream operator with subtask ID=0.
class	KeyGroupStreamPartitioner<T,K> Partitioner selects the target channel based on the key group index.
class	RebalancePartitioner<T> Partitioner that distributes the data equally by cycling through the output channels.
class	RescalePartitioner<T> Partitioner that distributes the data equally by cycling through the output channels.
class	ShufflePartitioner<T> Partitioner that distributes the data equally by selecting one output channel randomly.

返回StreamPartitioner的org.apache.flink.streaming.runtime.partitioner中的方法

限定符和类型	方法和说明
StreamPartitioner<T>	BroadcastPartitioner.copy()
StreamPartitioner<T>	ShufflePartitioner.copy()
StreamPartitioner<T>	RebalancePartitioner.copy()
abstract StreamPartitioner<T>	StreamPartitioner.copy()
StreamPartitioner<T>	ForwardPartitioner.copy()
StreamPartitioner<T>	CustomPartitionerWrapper.copy()
StreamPartitioner<T>	RescalePartitioner.copy()
StreamPartitioner<T>	GlobalPartitioner.copy()
StreamPartitioner<T>	KeyGroupStreamPartitioner.copy()