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

类 HsSubpartitionConsumerMemoryDataManager

java.lang.Object

org.apache.flink.runtime.io.network.partition.hybrid.HsSubpartitionConsumerMemoryDataManager

所有已实现的接口:

HsDataView

public class HsSubpartitionConsumerMemoryDataManager
extends Object
implements HsDataView

This class is responsible for managing the data of a single consumer. HsSubpartitionMemoryDataManager will create a new HsSubpartitionConsumerMemoryDataManager when a consumer is registered.

构造器概要

构造器

构造器和说明
HsSubpartitionConsumerMemoryDataManager(Lock resultPartitionLock, Lock consumerLock, int subpartitionId, HsConsumerId consumerId, HsMemoryDataManagerOperation memoryDataManagerOperation)

方法概要

限定符和类型	方法和说明
boolean	addBuffer(HsBufferContext bufferContext)
void	addInitialBuffers(Deque<HsBufferContext> buffers)
Optional<ResultSubpartition.BufferAndBacklog>	consumeBuffer(int toConsumeIndex, Collection<Buffer> buffersToRecycle) Check whether the head of unConsumedBuffers is the buffer to be consumed.
int	getBacklog() Get the number of buffers backlog.
Buffer.DataType	peekNextToConsumeDataType(int nextToConsumeIndex, Collection<Buffer> buffersToRecycle) Check whether the head of unConsumedBuffers is the buffer to be consumed next time.
void	releaseDataView() Release this HsDataView when related subpartition view is releasing.

从类继承的方法 java.lang.Object

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

构造器详细资料

HsSubpartitionConsumerMemoryDataManager

public HsSubpartitionConsumerMemoryDataManager(Lock resultPartitionLock,
                                               Lock consumerLock,
                                               int subpartitionId,
                                               HsConsumerId consumerId,
                                               HsMemoryDataManagerOperation memoryDataManagerOperation)

方法详细资料

addInitialBuffers

public void addInitialBuffers(Deque<HsBufferContext> buffers)

addBuffer

public boolean addBuffer(HsBufferContext bufferContext)

consumeBuffer

public Optional<ResultSubpartition.BufferAndBacklog> consumeBuffer(int toConsumeIndex,
                                                                   Collection<Buffer> buffersToRecycle)

Check whether the head of unConsumedBuffers is the buffer to be consumed. If so, return the buffer and backlog.

指定者:

consumeBuffer 在接口中 HsDataView

参数:

toConsumeIndex - index of buffer to be consumed.

buffersToRecycle - buffers to recycle if needed.

返回:

If the head of unConsumedBuffers is target, return optional of the buffer and backlog. Otherwise, return Optional.empty().

peekNextToConsumeDataType

public Buffer.DataType peekNextToConsumeDataType(int nextToConsumeIndex,
                                                 Collection<Buffer> buffersToRecycle)

Check whether the head of unConsumedBuffers is the buffer to be consumed next time. If so, return the next buffer's data type.

指定者:

peekNextToConsumeDataType 在接口中 HsDataView

参数:

nextToConsumeIndex - index of the buffer to be consumed next time.

buffersToRecycle - buffers to recycle if needed.

返回:

If the head of unConsumedBuffers is target, return the buffer's data type. Otherwise, return Buffer.DataType#NONE.

getBacklog

public int getBacklog()

从接口复制的说明: HsDataView

Get the number of buffers backlog.

指定者:

getBacklog 在接口中 HsDataView

返回:

backlog of this view's corresponding subpartition.

releaseDataView

public void releaseDataView()

从接口复制的说明: HsDataView

Release this HsDataView when related subpartition view is releasing.

指定者:

releaseDataView 在接口中 HsDataView