DeleteFileOp Class Reference

Delete a file at the given storage path from the backend. More...

Inherits FileOp.

Collaboration diagram for DeleteFileOp:

Public Member Functions
	storagePathsChanged ()
	Get a list of storage paths written to for this operation.
Public Member Functions inherited from FileOp
	__construct (FileBackendStore $backend, array $params, LoggerInterface $logger)
	Build a new batch file operation transaction.
	applyDependencies (array $deps)
	Update a dependency tracking array to account for this operation.
	attempt ()
	Attempt the operation.
	attemptAsync ()
	Attempt the operation in the background.
	attemptAsyncQuick ()
	Attempt the operation in the background without regards to prechecks.
	attemptQuick ()
	Attempt the operation without regards to prechecks.
	dependsOn (array $deps)
	Check if this operation changes files listed in $paths.
	failed ()
	Check if this operation failed precheck() or attempt()
	getBackend ()
	Get the backend this operation is for.
	getParam ( $name)
	Get the value of the parameter with the given name.
	logFailure ( $action)
	Log a file operation failure and preserve any temp files.
	precheck (array &$predicates)
	Check preconditions of the operation without writing anything.
	storagePathsRead ()
	Get a list of storage paths read from for this operation.
	storagePathsReadOrChanged ()
	Get a list of storage paths read from or written to for this operation.

Protected Member Functions
	allowedParams ()
	Get the file operation parameters.
	doAttempt ()
	doPrecheck (array &$predicates)
Protected Member Functions inherited from FileOp
	fileExists ( $source, array $predicates)
	Check if a file will exist in storage when this operation is attempted.
	fileSha1 ( $source, array $predicates)
	Get the SHA-1 of a file in storage when this operation is attempted.
	fileSize ( $source, array $predicates)
	Get the size a file in storage will have when this operation is attempted.
	getSourceSha1Base36 ()
	precheckDestExistence() helper function to get the source file SHA-1.
	getSourceSize ()
	precheckDestExistence() helper function to get the source file size.
	precheckDestExistence (array $predicates)
	Check for errors with regards to the destination file already existing.
	setFlags (array $params)
	Adjust params to FileBackendStore internal file calls.

Additional Inherited Members
Static Public Member Functions inherited from FileOp
static	newDependencies ()
	Get a new empty dependency tracking array for paths read/written to.
static	newPredicates ()
	Get a new empty predicates array for precheck()
Static Protected Member Functions inherited from FileOp
static	normalizeIfValidStoragePath ( $path)
	Normalize a string if it is a valid storage path.
Protected Attributes inherited from FileOp
bool	$async = false
FileBackendStore	$backend
bool	$cancelled = false
bool	$destExists
bool	$failed = false
LoggerInterface	$logger
bool	$overwriteSameCase
array	$params = []
string bool	$sourceSha1
int bool	$sourceSize
int	$state = self::STATE_NEW
const	ASSUMED_EXISTS = 'exists'
const	ASSUMED_SHA1 = 'sha1'
const	ASSUMED_SIZE = 'size'

Detailed Description

Delete a file at the given storage path from the backend.

Parameters for this operation are outlined in FileBackend::doOperations().

Definition at line 28 of file DeleteFileOp.php.

Member Function Documentation

allowedParams()

DeleteFileOp::allowedParams ( )

protected

Get the file operation parameters.

Returns

array (required params list, optional params list, list of params that are paths)

Reimplemented from FileOp.

Definition at line 29 of file DeleteFileOp.php.

doAttempt()

DeleteFileOp::doAttempt ( )

protected

Returns

StatusValue

Reimplemented from FileOp.

Definition at line 66 of file DeleteFileOp.php.

References FileOp\setFlags().

doPrecheck()

DeleteFileOp::doPrecheck ( array & $predicates )

protected

Parameters

array

&$predicates

Returns

StatusValue

Reimplemented from FileOp.

Definition at line 33 of file DeleteFileOp.php.

References FileOp\ASSUMED_EXISTS, FileOp\ASSUMED_SHA1, FileOp\ASSUMED_SIZE, FileOp\fileExists(), and FileOp\getParam().

storagePathsChanged()

DeleteFileOp::storagePathsChanged

(

)

Get a list of storage paths written to for this operation.

Returns

array

Reimplemented from FileOp.

Definition at line 71 of file DeleteFileOp.php.

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The documentation for this class was generated from the following file:

• includes/libs/filebackend/fileop/DeleteFileOp.php