org.apache.flink.streaming.runtime.io

类 LinkedBufferStorage

java.lang.Object

org.apache.flink.streaming.runtime.io.LinkedBufferStorage

所有已实现的接口:

AutoCloseable, BufferStorage

public class LinkedBufferStorage
extends Object
implements BufferStorage

Implementation of BufferStorage that links two BufferStorage together. Each of the linked BufferStorage will store buffers independently, but they will be linked together for rollOver() - if one is rolled over, other will do that as well.

Note that only mainStorage is closed when LinkedBufferStorage instance is closed.

构造器概要

构造器

构造器和说明
LinkedBufferStorage(BufferStorage mainStorage, BufferStorage linkedStorage, long maxBufferedBytes)

方法概要

限定符和类型	方法和说明
void	add(org.apache.flink.runtime.io.network.partition.consumer.BufferOrEvent boe) Adds a buffer or event to the BufferStorage.
void	close() Cleans up all the resources in the current sequence.
long	getMaxBufferedBytes()
long	getPendingBytes()
long	getRolledBytes()
boolean	isEmpty()
boolean	isFull()
Optional<org.apache.flink.runtime.io.network.partition.consumer.BufferOrEvent>	pollNext()
void	rollOver() Start returning next sequence of stored BufferOrEvents.

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

LinkedBufferStorage

public LinkedBufferStorage(BufferStorage mainStorage,
                           BufferStorage linkedStorage,
                           long maxBufferedBytes)

方法详细资料

add

public void add(org.apache.flink.runtime.io.network.partition.consumer.BufferOrEvent boe)

从接口复制的说明: BufferStorage

Adds a buffer or event to the BufferStorage.

指定者:

add 在接口中 BufferStorage

参数:

boe - The buffer or event to be added into the blocker.

isFull

public boolean isFull()

指定者:

isFull 在接口中 BufferStorage

返回:

true if size limit was exceeded.

rollOver

public void rollOver()

从接口复制的说明: BufferStorage

Start returning next sequence of stored BufferOrEvents.

指定者:

rollOver 在接口中 BufferStorage

getPendingBytes

public long getPendingBytes()

指定者:

getPendingBytes 在接口中 BufferStorage

返回:

the number of pending bytes blocked in the current sequence - bytes that are have not been yet rolled, but are already blocked.

getRolledBytes

public long getRolledBytes()

指定者:

getRolledBytes 在接口中 BufferStorage

返回:

the number of already rolled bytes in in blocked sequences.

isEmpty

public boolean isEmpty()

指定者:

isEmpty 在接口中 BufferStorage

返回:

true if this BufferStorage doesn't store and data.

pollNext

public Optional<org.apache.flink.runtime.io.network.partition.consumer.BufferOrEvent> pollNext()

指定者:

pollNext 在接口中 BufferStorage

getMaxBufferedBytes

public long getMaxBufferedBytes()

指定者:

getMaxBufferedBytes 在接口中 BufferStorage

close

public void close()

从接口复制的说明: BufferStorage

Cleans up all the resources in the current sequence.

指定者:

close 在接口中 AutoCloseable

指定者:

close 在接口中 BufferStorage