alluxio.master.file

Class FileSystemMasterClient

java.lang.Object

alluxio.AbstractClient

alluxio.AbstractMasterClient

alluxio.master.file.FileSystemMasterClient

All Implemented Interfaces:

Client, java.io.Closeable, java.lang.AutoCloseable

@ThreadSafe
public final class FileSystemMasterClient
extends AbstractMasterClient

A wrapper for the gRPC client to interact with the file system master, used by Alluxio job service.

Nested Class Summary

Nested classes/interfaces inherited from class alluxio.AbstractClient

AbstractClient.RpcCallable<V>

Field Summary

Fields inherited from class alluxio.AbstractClient

mAddress, mChannel, mClosed, mConnected, mContext, mServiceVersion, mVersionService

Constructor Summary

Constructors

Constructor and Description
FileSystemMasterClient(MasterClientContext conf) Creates an instance of FileSystemMasterClient.

Method Summary

Modifier and Type	Method and Description
protected void	afterConnect()
FileInfo	getFileInfo(long fileId)
protected ServiceType	getRemoteServiceType()
protected java.lang.String	getServiceName()
protected long	getServiceVersion()
UfsInfo	getUfsInfo(long mountId)

Methods inherited from class alluxio.AbstractMasterClient

getAddress, getConfAddress

Methods inherited from class alluxio.AbstractClient

afterDisconnect, beforeConnect, beforeDisconnect, checkVersion, close, connect, disconnect, getRemoteServiceVersion, isClosed, isConnected, retryRPC, retryRPC

Methods inherited from class java.lang.Object

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

Constructor Detail

FileSystemMasterClient

public FileSystemMasterClient(MasterClientContext conf)

Creates an instance of FileSystemMasterClient.

Parameters:

conf - master client configuration

Method Detail

getRemoteServiceType

protected ServiceType getRemoteServiceType()

Specified by:

getRemoteServiceType in class AbstractClient

getServiceName

protected java.lang.String getServiceName()

Specified by:

getServiceName in class AbstractClient

getServiceVersion

protected long getServiceVersion()

Specified by:

getServiceVersion in class AbstractClient

afterConnect

protected void afterConnect()
                     throws java.io.IOException

Overrides:

afterConnect in class AbstractClient

Throws:

java.io.IOException

getFileInfo

public FileInfo getFileInfo(long fileId)
                     throws java.io.IOException

Parameters:

fileId - the id of the file for which to get the FileInfo

Returns:

the file info for the given file id

Throws:

java.io.IOException

getUfsInfo

public UfsInfo getUfsInfo(long mountId)
                   throws java.io.IOException

Parameters:

mountId - the id of the mount

Returns:

the ufs information for the give ufs

Throws:

java.io.IOException - if an I/O error occurs