Package org.apache.flink.runtime.shuffle

Class PartitionDescriptor

java.lang.Object

org.apache.flink.runtime.shuffle.PartitionDescriptor

All Implemented Interfaces:

Serializable

public class PartitionDescriptor
extends Object
implements Serializable

Partition descriptor for ShuffleMaster to obtain ShuffleDescriptor.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
PartitionDescriptor(IntermediateDataSetID resultId, int totalNumberOfPartitions, IntermediateResultPartitionID partitionId, ResultPartitionType partitionType, int numberOfSubpartitions, int connectionIndex, boolean isBroadcast, boolean isAllToAllDistribution, boolean isNumberOfPartitionConsumerUndefined)

Method Summary

Modifier and Type	Method	Description
static PartitionDescriptor	from(IntermediateResultPartition partition)
int	getNumberOfSubpartitions()
IntermediateResultPartitionID	getPartitionId()
ResultPartitionType	getPartitionType()
IntermediateDataSetID	getResultId()
int	getTotalNumberOfPartitions()
boolean	isAllToAllDistribution()
boolean	isBroadcast()
boolean	isNumberOfPartitionConsumerUndefined()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

PartitionDescriptor

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

Method Detail

getResultId

public IntermediateDataSetID getResultId()

getTotalNumberOfPartitions

public int getTotalNumberOfPartitions()

getPartitionId

public IntermediateResultPartitionID getPartitionId()

getPartitionType

public ResultPartitionType getPartitionType()

getNumberOfSubpartitions

public int getNumberOfSubpartitions()

isNumberOfPartitionConsumerUndefined

public boolean isNumberOfPartitionConsumerUndefined()

isBroadcast

public boolean isBroadcast()

isAllToAllDistribution

public boolean isAllToAllDistribution()

toString

public String toString()

Overrides:

toString in class Object

from

public static PartitionDescriptor from(IntermediateResultPartition partition)