Inheritance diagram for AbstractBackend:

Public Member Functions
	__construct ($context, array $options=array())

	setCache (\TYPO3\CMS\Core\Cache\Frontend\FrontendInterface $cache)

	setDefaultLifetime ($defaultLifetime)

Public Member Functions inherited from BackendInterface
	set ($entryIdentifier, $data, array $tags=array(), $lifetime=null)

	get ($entryIdentifier)

	has ($entryIdentifier)

	remove ($entryIdentifier)

	flush ()

	collectGarbage ()

Public Attributes
const	DATETIME_EXPIRYTIME_UNLIMITED = '9999-12-31T23:59:59+0000'

const	UNLIMITED_LIFETIME = 0

Protected Member Functions
	calculateExpiryTime ($lifetime=null)

Protected Attributes
	$cache

	$cacheIdentifier

	$context

	$defaultLifetime = 3600

Detailed Description

An abstract caching backend

This file is a backport from FLOW3

Definition at line 23 of file core/Classes/Cache/Backend/AbstractBackend.php.

Constructor & Destructor Documentation

__construct	(		$context,
		array	$options = `array()`
	)

Constructs this backend

Parameters

string	$context	FLOW3's application context
array	$options	Configuration options - depends on the actual backend

Exceptions

\InvalidArgumentException

Definition at line 65 of file core/Classes/Cache/Backend/AbstractBackend.php.

References AbstractBackend\$context.

Member Function Documentation

calculateExpiryTime ( $lifetime = null )

protected

Calculates the expiry time by the given lifetime. If no lifetime is specified, the default lifetime is used.

Parameters

int $lifetime The lifetime in seconds

Returns: The expiry time

Definition at line 116 of file core/Classes/Cache/Backend/AbstractBackend.php.

References AbstractBackend\$defaultLifetime.

setCache ( \TYPO3\CMS\Core\Cache\Frontend\FrontendInterface $cache )

Sets a reference to the cache frontend which uses this backend

Parameters

\TYPO3\CMS\Core\Cache\Frontend\FrontendInterface $cache The frontend for this backend

Returns: void

Implements BackendInterface.

Definition at line 87 of file core/Classes/Cache/Backend/AbstractBackend.php.

References AbstractBackend\$cache.

setDefaultLifetime ( $defaultLifetime )

Sets the default lifetime for this cache backend

Parameters

int $defaultLifetime Default lifetime of this cache backend in seconds. If NULL is specified, the default lifetime is used. "0" means unlimited liftime.