Package org.apache.flink.runtime.io.network.partition

Class DataSetMetaInfo

java.lang.Object

org.apache.flink.runtime.io.network.partition.DataSetMetaInfo

All Implemented Interfaces:

Serializable

public final class DataSetMetaInfo
extends Object
implements Serializable

Container for meta-data of a data set.

See Also:

• Serialized Form

Method Summary

Modifier and Type	Method	Description
DataSetMetaInfo	addShuffleDescriptors(Map<ResultPartitionID,ShuffleDescriptor> shuffleDescriptors)
OptionalInt	getNumRegisteredPartitions()
int	getNumTotalPartitions()
Map<ResultPartitionID,ShuffleDescriptor>	getShuffleDescriptors()
static DataSetMetaInfo	withNumRegisteredPartitions(int numRegisteredPartitions, int numTotalPartitions)

Methods inherited from class java.lang.Object

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

Method Details

getNumRegisteredPartitions

public OptionalInt getNumRegisteredPartitions()

getNumTotalPartitions

public int getNumTotalPartitions()

addShuffleDescriptors

public DataSetMetaInfo addShuffleDescriptors(Map<ResultPartitionID,ShuffleDescriptor> shuffleDescriptors)

getShuffleDescriptors

public Map<ResultPartitionID,ShuffleDescriptor> getShuffleDescriptors()

withNumRegisteredPartitions

@VisibleForTesting
public static DataSetMetaInfo withNumRegisteredPartitions(int numRegisteredPartitions,
 int numTotalPartitions)