/**
* @param Doctrine_Table|string $table
* @param string $keyColumn
* @see Doctrine_Collection::__construct()
*/
public function __construct($table, $keyColumn = null)
{
parent::__construct($table, $keyColumn);
$this->namespace = sprintf('%s/%s/%s', sfCacheTaggingToolkit::getBaseClassName(get_class($this)), $this->getTable()->getClassnameToReturn(), sfCacheTaggingToolkit::generateVersion());
}
/**
* Builds tag name by keyFormat and passed values
*
* @param string $keyFormat
* @param array $values
* @return string
*/
public static function buildTagKey(Doctrine_Template_Cachetaggable $template, $keyFormat, array $values)
{
/**
* First element is object's class name
*/
$columnValues = array(sfCacheTaggingToolkit::getBaseClassName($template->getTable()->getClassnameToReturn()));
/**
* following elements are row's "candidate keys"
* @link http://databases.about.com/cs/specificproducts/g/candidate.htm
*/
$columnValues = array_merge($columnValues, $values);
return call_user_func_array('sprintf', array_merge(array($keyFormat), $columnValues));
}
/**
* pre dql delete hook - remove object tags from tagger
*
* @param Doctrine_Event $event
* @return null
*/
public function preDqlDelete(Doctrine_Event $event)
{
$taggingCache = null;
try {
$taggingCache = $this->getTaggingCache();
} catch (sfCacheException $e) {
return;
}
$table = $event->getInvoker()->getTable();
/* @var $q Doctrine_Query */
$q = clone $event->getQuery();
/**
* This happens, when SoftDelete is declared before Cachetaggable
*/
if (Doctrine_Query::UPDATE === $q->getType()) {
$event->getQuery()->set($this->getOption('versionColumn'), sfCacheTaggingToolkit::generateVersion());
$q->removeDqlQueryPart('set');
}
$params = $q->getParams();
$params['set'] = array();
$q->setParams($params);
$objects = $q->select()->execute();
$unitOfWork = new Doctrine_Connection_CachetaggableUnitOfWork($q->getConnection());
foreach ($objects as $object) {
$unitOfWork->collectDeletionsAndInvalidations($object);
$taggingCache->deleteTags($unitOfWork->getDeletions());
$taggingCache->invalidateTags($unitOfWork->getInvalidations());
}
unset($unitOfWork);
$taggingCache->setTag(sfCacheTaggingToolkit::getBaseClassName($table->getClassnameToReturn()), sfCacheTaggingToolkit::generateVersion());
}
