File backend

Collaboration diagram for File backend:

Topics
	Lock management

Files
file	CopyFileOp.php
	Helper class for representing operations with transaction support.
file	CreateFileOp.php
	This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
file	DeleteFileOp.php
	Helper class for representing operations with transaction support.
file	DescribeFileOp.php
	Helper class for representing operations with transaction support.
file	FileBackend.php
	Base class for all file backends.
file	FileBackendGroup.php
	File backend registration handling.
file	FileBackendMultiWrite.php
	Proxy backend that mirrors writes to several internal backends.
file	FileBackendStore.php
	Base class for all backends using particular storage medium.
file	FileBackendStoreOpHandle.php
	This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
file	FileBackendStoreShardDirIterator.php
	This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
file	FileBackendStoreShardFileIterator.php
	This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
file	FileBackendStoreShardListIterator.php
	This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
file	FileOp.php
	Helper class for representing operations with transaction support.
file	FileOpBatch.php
	Helper class for representing batch file operations.
file	FileStatePredicates.php
	This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
file	FSFile.php
	Non-directory file on the file system.
file	FSFileBackend.php
	This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
file	FSFileBackendDirList.php
	This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
file	FSFileBackendFileList.php
	This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
file	FSFileBackendList.php
	This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
file	FSFileOpHandle.php
	This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
file	MemoryFileBackend.php
	Simulation of a backend storage in memory.
file	MoveFileOp.php
	Helper class for representing operations with transaction support.
file	NullFileOp.php
	Helper class for representing operations with transaction support.
file	StoreFileOp.php
	Helper class for representing operations with transaction support.
file	SwiftFileBackend.php
	OpenStack Swift based file backend.
file	SwiftFileBackendDirList.php
	OpenStack Swift based file backend.
file	SwiftFileBackendFileList.php
	OpenStack Swift based file backend.
file	SwiftFileBackendList.php
	OpenStack Swift based file backend.
file	SwiftFileOpHandle.php
	OpenStack Swift based file backend.
file	TempFSFile.php
	Location holder of files stored temporarily.

Classes
class	FileBackend
	Base class for all file backend classes (including multi-write backends). More...
class	FileBackendDBRepoWrapper
	Proxy backend that manages file layout rewriting for FileRepo. More...
class	FileBackendError
	File backend exception for checked exceptions (e.g. More...
class	FileBackendGroup
	Class to handle file backend registration. More...
class	FileBackendMultiWrite
	Proxy backend that mirrors writes to several internal backends. More...
class	FileBackendStore
	Base class for all backends using particular storage medium. More...
class	FileBackendStoreShardListIterator
	FileBackendStore helper function to handle listings that span container shards. More...
class	FileOp
	FileBackend helper class for representing operations. More...
class	FileOpBatch
	Helper class for representing batch file operations. More...
class	FSFile
	Class representing a non-directory file on the file system. More...
class	FSFileBackend
	Class for a file system (FS) based file backend. More...
class	FSFileBackendList
	Wrapper around RecursiveDirectoryIterator/DirectoryIterator that catches exception or does any custom behavior that we may want. More...
class	MemoryFileBackend
	Simulation of a backend storage in memory. More...
class	SwiftFileBackend
	Class for an OpenStack Swift (or Ceph RGW) based file backend. More...
class	SwiftFileBackendList
	SwiftFileBackend helper class to page through listings. More...
class	TempFSFile
	This class is used to hold the location and do limited manipulation of files stored temporarily (this will be whatever wfTempDir() returns) More...
class	MediaWiki\FileBackend\FSFile\TempFSFileFactory

Detailed Description

File backend is used to interact with file storage systems, such as the local file system, NFS, or cloud storage systems. See the architecture doc for more information.