alluxio.wire

Class BlockReadRequest

java.lang.Object

alluxio.wire.BlockReadRequest

@ThreadSafe
public final class BlockReadRequest
extends Object

The internal representation of a block read request.

Method Summary

Modifier and Type	Method and Description
static BlockReadRequest	from(ReadRequest request) Creates an instance of BlockReadRequest.
long	getChunkSize()
long	getEnd()
long	getId()
Protocol.OpenUfsBlockOptions	getOpenUfsBlockOptions()
long	getSessionId()
long	getStart()
boolean	isPositionShort()
boolean	isPromote()
String	toString()

Methods inherited from class java.lang.Object

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

Method Detail

from

public static BlockReadRequest from(ReadRequest request)

Creates an instance of BlockReadRequest.

Parameters:

request - the block read request

Returns:

a BlockReadRequest object

getSessionId

public long getSessionId()

Returns:

session Id

getId

public long getId()

Returns:

block id of the read request

getStart

public long getStart()

Returns:

the start offset in bytes of this read request

getEnd

public long getEnd()

Returns:

the end offset in bytes of this read request

getChunkSize

public long getChunkSize()

Returns:

the chunk size in bytes of this read request

isPromote

public boolean isPromote()

Returns:

if the block read type indicate promote in tier storage

isPositionShort

public boolean isPositionShort()

Returns:

if this is a positioned read to a small buffer

getOpenUfsBlockOptions

public Protocol.OpenUfsBlockOptions getOpenUfsBlockOptions()

Returns:

the option to open UFS block

toString

public String toString()

Overrides:

toString in class Object