Project

General

Profile

Download (5.23 KB)

Bug #23402 » 15497_01.diff

Administrator Admin, 2010-08-19 01:27

View differences:

t3lib/cache/backend/class.t3lib_cache_backend_memcachedbackend.php (working copy)
* xxx is identifier, value is array of associated tags. This is "reverse" tag
* index. It provides quick access for all tags associated with this identifier
* and used when removing the identifier
* - tagIndex
* Value is a List of all tags (array)
*
* Each key is prepended with a prefix. By default prefix consists from two parts
* separated by underscore character and ends in yet another underscore character:
* - "TYPO3"
......
if ($success === TRUE) {
$this->removeIdentifierFromAllTags($entryIdentifier);
$this->addTagsToTagIndex($tags);
$this->addIdentifierToTags($entryIdentifier, $tags);
} else {
throw new t3lib_cache_Exception(
......
}
/**
* Returns an array with all known tags
*
* @return array
* @author Karsten Dambekalns <karsten@typo3.org>
* @internal
*/
protected function getTagIndex() {
$tagIndex = $this->memcache->get($this->identifierPrefix . 'tagIndex');
return ($tagIndex == false ? array() : (array)$tagIndex);
}
/**
* Saves the tags known to the backend
*
* @param array Array of tags
* @author Karsten Dambekalns <karsten@typo3.org>
* @internal
*/
protected function setTagIndex(array $tags) {
$this->memcache->set($this->identifierPrefix . 'tagIndex', array_unique($tags), 0, 0);
}
/**
* Adds the given tags to the tag index
*
* @param array Array of tags
* @return void
* @author Karsten Dambekalns <karsten@typo3.org>
* @internal
*/
protected function addTagsToTagIndex(array $tags) {
if(count($tags)) {
$this->setTagIndex(array_merge($tags, $this->getTagIndex()));
}
}
/**
* Removes the given tags from the tag index
*
* @param array $tags
* @return void
* @author Karsten Dambekalns <karsten@typo3.org>
* @internal
*/
protected function removeTagsFromTagIndex(array $tags) {
if(count($tags)) {
$this->setTagIndex(array_diff($this->getTagIndex(), $tags));
}
}
/**
* Associates the identifier with the given tags
*
* @param string $entryIdentifier
......
$identifiers
);
} else {
$this->removeTagsFromTagIndex(array($tag));
$this->memcache->delete($this->identifierPrefix . 'tag_' . $tag);
}
}
t3lib/cache/backend/class.t3lib_cache_backend_apcbackend.php (working copy)
* xxx is identifier, value is array of associated tags. This is "reverse" tag
* index. It provides quick access for all tags associated with this identifier
* and used when removing the identifier
* - tagIndex
* Value is a List of all tags (array)
*
* Each key is prepended with a prefix. By default prefix consists from two parts
* separated by underscore character and ends in yet another underscore character:
* - "TYPO3"
......
$success = apc_store($this->identifierPrefix . $entryIdentifier, $data, $expiration);
if ($success === TRUE) {
$this->removeIdentifierFromAllTags($entryIdentifier);
$this->addTagsToTagIndex($tags);
$this->addIdentifierToTags($entryIdentifier, $tags);
} else {
throw new t3lib_cache_Exception(
......
}
/**
* Returns an array with all known tags
*
* @return array
* @author Karsten Dambekalns <karsten@typo3.org>
*/
protected function getTagIndex() {
$success = FALSE;
$tagIndex = apc_fetch($this->identifierPrefix . 'tagIndex', $success);
return ($success ? (array)$tagIndex : array());
}
/**
* Saves the tags known to the backend
*
* @param array $tags
* @author Karsten Dambekalns <karsten@typo3.org>
*/
protected function setTagIndex(array $tags) {
apc_store($this->identifierPrefix . 'tagIndex', array_unique($tags));
}
/**
* Adds the given tags to the tag index
*
* @param array $tags
* @return void
* @author Karsten Dambekalns <karsten@typo3.org>
*/
protected function addTagsToTagIndex(array $tags) {
if (count($tags)) {
$this->setTagIndex(array_merge($tags, $this->getTagIndex()));
}
}
/**
* Removes the given tags from the tag index
*
* @param array $tags
* @return void
* @author Karsten Dambekalns <karsten@typo3.org>
*/
protected function removeTagsFromTagIndex(array $tags) {
if (count($tags)) {
$this->setTagIndex(array_diff($this->getTagIndex(), $tags));
}
}
/**
* Associates the identifier with the given tags
*
* @param string $entryIdentifier
......
if (count($identifiers)) {
apc_store($this->identifierPrefix . 'tag_' . $tag, $identifiers);
} else {
$this->removeTagsFromTagIndex(array($tag));
apc_delete($this->identifierPrefix . 'tag_' . $tag);
}
}
(3-3/3)