alluxio.client.file

Class FileSystem.Factory

java.lang.Object

alluxio.client.file.FileSystem.Factory

Enclosing interface:

FileSystem

public static class FileSystem.Factory
extends Object

Factory for FileSystem. Calling any of the get() methods in this class will attempt to return a cached instance of an Alluxio FileSystem. Using any of the create(alluxio.conf.AlluxioConfiguration) methods will always guarantee returning a new FileSystem.

Field Summary

Fields

Modifier and Type	Field and Description
protected static FileSystemCache	FILESYSTEM_CACHE

Method Summary

Modifier and Type	Method and Description
static FileSystem	create(AlluxioConfiguration alluxioConf)
static FileSystem	create(ClientContext ctx)
static FileSystem	create(FileSystemContext context)
static FileSystem	get()
static FileSystem	get(Subject subject) Get a FileSystem from the cache with a given subject.
static FileSystem	get(Subject subject, AlluxioConfiguration conf)

Methods inherited from class java.lang.Object

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

Field Detail

FILESYSTEM_CACHE

protected static final FileSystemCache FILESYSTEM_CACHE

Method Detail

get

public static FileSystem get()

Returns:

a FileSystem from the cache, creating a new one if it doesn't yet exist

get

public static FileSystem get(Subject subject)

Get a FileSystem from the cache with a given subject.

Parameters:

subject - The subject to use for security-related client operations

Returns:

a FileSystem from the cache, creating a new one if it doesn't yet exist

get

public static FileSystem get(Subject subject,
                             AlluxioConfiguration conf)

create

public static FileSystem create(AlluxioConfiguration alluxioConf)

Parameters:

alluxioConf - the configuration to utilize with the FileSystem

Returns:

a new FileSystem instance

create

public static FileSystem create(ClientContext ctx)

Parameters:

ctx - the context with the subject and configuration to utilize with the FileSystem

Returns:

a new FileSystem instance

create

public static FileSystem create(FileSystemContext context)

Parameters:

context - the FileSystemContext to use with the FileSystem

Returns:

a new FileSystem instance