class DatabaseCacheTagsChecksum

Cache tags invalidations checksum implementation that uses the database.

Hierarchy

• class \Drupal\Core\Cache\DatabaseCacheTagsChecksum implements CacheTagsChecksumInterface, CacheTagsInvalidatorInterface

File

core/lib/Drupal/Core/Cache/DatabaseCacheTagsChecksum.php, line 11

Namespace

Drupal\Core\Cache

Members

Name	Modifiers	Type	Description
DatabaseCacheTagsChecksum::$connection	protected	property	The database connection.
DatabaseCacheTagsChecksum::$invalidatedTags	protected	property	A list of tags that have already been invalidated in this request.
DatabaseCacheTagsChecksum::$tagCache	protected	property	Contains already loaded cache invalidations from the database.
DatabaseCacheTagsChecksum::calculateChecksum	protected	function	Calculates the current checksum for a given set of tags.
DatabaseCacheTagsChecksum::catchException	protected	function	Act on an exception when cache might be stale.
DatabaseCacheTagsChecksum::ensureTableExists	protected	function	Check if the cache tags table exists and create it if not.
DatabaseCacheTagsChecksum::getCurrentChecksum	public	function	Returns the sum total of validations for a given set of tags. Overrides CacheTagsChecksumInterface::getCurrentChecksum
DatabaseCacheTagsChecksum::invalidateTags	public	function	Marks cache items with any of the specified tags as invalid. Overrides CacheTagsInvalidatorInterface::invalidateTags
DatabaseCacheTagsChecksum::isValid	public	function	Returns whether the checksum is valid for the given cache tags. Overrides CacheTagsChecksumInterface::isValid
DatabaseCacheTagsChecksum::reset	public	function	Reset statically cached tags. Overrides CacheTagsChecksumInterface::reset
DatabaseCacheTagsChecksum::schemaDefinition	public	function	Defines the schema for the {cachetags} table.
DatabaseCacheTagsChecksum::__construct	public	function	Constructs a DatabaseCacheTagsChecksum object.