org.apache.flink.runtime.shuffle

类 PartitionDescriptor

java.lang.Object

org.apache.flink.runtime.shuffle.PartitionDescriptor

所有已实现的接口:

Serializable

public class PartitionDescriptor
extends Object
implements Serializable

Partition descriptor for ShuffleMaster to obtain ShuffleDescriptor.

另请参阅:

序列化表格

构造器概要

构造器

构造器和说明
PartitionDescriptor(IntermediateDataSetID resultId, int totalNumberOfPartitions, IntermediateResultPartitionID partitionId, ResultPartitionType partitionType, int numberOfSubpartitions, int connectionIndex, boolean isBroadcast, boolean isAllToAllDistribution)

方法概要

限定符和类型	方法和说明
static PartitionDescriptor	from(IntermediateResultPartition partition)
int	getNumberOfSubpartitions()
IntermediateResultPartitionID	getPartitionId()
ResultPartitionType	getPartitionType()
IntermediateDataSetID	getResultId()
int	getTotalNumberOfPartitions()
boolean	isAllToAllDistribution()
boolean	isBroadcast()
String	toString()

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

构造器详细资料

PartitionDescriptor

@VisibleForTesting
public PartitionDescriptor(IntermediateDataSetID resultId,
                                              int totalNumberOfPartitions,
                                              IntermediateResultPartitionID partitionId,
                                              ResultPartitionType partitionType,
                                              int numberOfSubpartitions,
                                              int connectionIndex,
                                              boolean isBroadcast,
                                              boolean isAllToAllDistribution)

方法详细资料

getResultId

public IntermediateDataSetID getResultId()

getTotalNumberOfPartitions

public int getTotalNumberOfPartitions()

getPartitionId

public IntermediateResultPartitionID getPartitionId()

getPartitionType

public ResultPartitionType getPartitionType()

getNumberOfSubpartitions

public int getNumberOfSubpartitions()

isBroadcast

public boolean isBroadcast()

isAllToAllDistribution

public boolean isAllToAllDistribution()

toString

public String toString()

覆盖:

toString 在类中 Object

from

public static PartitionDescriptor from(IntermediateResultPartition partition)