alluxio.client.file

Class FileSystem.Factory

java.lang.Object

alluxio.client.file.FileSystem.Factory

Enclosing interface:

FileSystem

public static class FileSystem.Factory
extends java.lang.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() 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()
static FileSystem	create(AlluxioConfiguration alluxioConf)
static FileSystem	create(ClientContext ctx)
static FileSystem	create(FileSystemContext context)
static FileSystem	create(FileSystemContext context, FileSystemOptions options)
static FileSystem	get()
static FileSystem	get(javax.security.auth.Subject subject) Get a FileSystem from the cache with a given subject.
static FileSystem	get(javax.security.auth.Subject subject, AlluxioConfiguration conf) Get a FileSystem from the cache with a given subject.

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(javax.security.auth.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(javax.security.auth.Subject subject,
                             AlluxioConfiguration conf)

Get a FileSystem from the cache with a given subject.

Parameters:

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

conf - the Alluxio configuration

Returns:

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

create

public static FileSystem create()

Returns:

a new FileSystem instance

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

create

public static FileSystem create(FileSystemContext context,
                                FileSystemOptions options)

Parameters:

context - the FileSystemContext to use with the FileSystem

Returns:

a new FileSystem instance