org.apache.flink.runtime.io.network.partition.hybrid.tiered.storage

Class TieredStorageConsumerClient

java.lang.Object

org.apache.flink.runtime.io.network.partition.hybrid.tiered.storage.TieredStorageConsumerClient

public class TieredStorageConsumerClient
extends Object

TieredStorageConsumerClient is used to read buffer from tiered store.

Constructor Summary

Constructors

Constructor and Description
TieredStorageConsumerClient(List<TierFactory> tierFactories, List<TieredStorageConsumerSpec> tieredStorageConsumerSpecs, TieredStorageNettyService nettyService)

Method Summary

Modifier and Type	Method and Description
void	close()
Optional<Buffer>	getNextBuffer(TieredStoragePartitionId partitionId, TieredStorageSubpartitionId subpartitionId)
int	peekNextBufferSubpartitionId(TieredStoragePartitionId partitionId, ResultSubpartitionIndexSet indexSet) Returns the index of the subpartition where the next buffer locates, or -1 if there is no buffer available or the subpartition index does not belong to the specified indexSet.
void	registerAvailabilityNotifier(AvailabilityNotifier notifier)
void	start()

Methods inherited from class java.lang.Object

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

Constructor Detail

TieredStorageConsumerClient

public TieredStorageConsumerClient(List<TierFactory> tierFactories,
                                   List<TieredStorageConsumerSpec> tieredStorageConsumerSpecs,
                                   TieredStorageNettyService nettyService)

Method Detail

start

public void start()

peekNextBufferSubpartitionId

public int peekNextBufferSubpartitionId(TieredStoragePartitionId partitionId,
                                        ResultSubpartitionIndexSet indexSet)
                                 throws IOException

Returns the index of the subpartition where the next buffer locates, or -1 if there is no buffer available or the subpartition index does not belong to the specified indexSet.

Parameters:

partitionId - The index of the partition which the returned subpartition should belong to.

indexSet - The indexes of the subpartitions expected.

Throws:

IOException

getNextBuffer

public Optional<Buffer> getNextBuffer(TieredStoragePartitionId partitionId,
                                      TieredStorageSubpartitionId subpartitionId)

registerAvailabilityNotifier

public void registerAvailabilityNotifier(AvailabilityNotifier notifier)

close

public void close()
           throws IOException

Throws:

IOException