alluxio.worker.block.meta

Class UnderFileSystemBlockMeta

java.lang.Object

alluxio.worker.block.meta.UnderFileSystemBlockMeta

public final class UnderFileSystemBlockMeta
extends Object

This class represents the metadata of a block that is in UFS. This class is immutable.

Constructor Summary

Constructors

Constructor and Description
UnderFileSystemBlockMeta(long sessionId, long blockId, Protocol.OpenUfsBlockOptions options) Creates an instance of UnderFileSystemBlockMeta.

Method Summary

Modifier and Type	Method and Description
long	getBlockId()
long	getBlockSize()
long	getMountId()
long	getOffset()
long	getSessionId()
String	getUnderFileSystemPath()
String	getUser()
boolean	isNoCache()

Methods inherited from class java.lang.Object

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

Constructor Detail

UnderFileSystemBlockMeta

public UnderFileSystemBlockMeta(long sessionId,
                                long blockId,
                                Protocol.OpenUfsBlockOptions options)

Creates an instance of UnderFileSystemBlockMeta.

Parameters:

sessionId - the session ID

blockId - the block ID

options - the Protocol.OpenUfsBlUfsInputStreamCacheTestockOptions

Method Detail

getSessionId

public long getSessionId()

Returns:

the session ID

getBlockId

public long getBlockId()

Returns:

the block ID

getUnderFileSystemPath

public String getUnderFileSystemPath()

Returns:

the UFS path

getOffset

public long getOffset()

Returns:

the offset of the block in the UFS file

getBlockSize

public long getBlockSize()

Returns:

the block size in bytes

getMountId

public long getMountId()

Returns:

the id of the mount of this file is mapped to

isNoCache

public boolean isNoCache()

Returns:

true if mNoCache is set

getUser

public String getUser()

Returns:

the user