/**
* retrieve a simple key/value pair from memcache
*
* @param String $key
* @param String_type $ns
* @param String $bucket
*/
public static function retrieve($key, $ns = self::DEFAULT_NS, $bucket = self::DEFAULT_BUCKET)
{
$cache = MemcacheManager::getInstance()->cache;
$cache->setBucket($bucket);
$value = $cache->get($key);
if ($value) {
return $value;
}
}
/**
* deletes object from memcache before deleting it from the db
*
* @author Matthias Pfefferle
* @param Doctrine_Event $pEvent
*/
public function preDelete(Doctrine_Event $pEvent)
{
$lInvoker = $pEvent->getInvoker();
MemcacheManager::getInstance()->getCache()->remove($lInvoker->getMemcacheId());
}
/**
* use our memcache instead database when calling method
*
* @author Matthias Pfefferle
* @param int $pPk
* @return array of user objects
*/
public function retrieveByPkTableProxy($pPk)
{
$lInvoker = $this->getInvoker();
$lClassName = get_class($lInvoker);
$lObject = null;
$lMemcacheId = strtolower($lClassName) . "-" . $pPk;
// first try GLOBALS cache
if (isset($GLOBALS['CACHE'][strtoupper($lClassName)][$pPk])) {
$lObject = $GLOBALS['CACHE'][strtoupper($lClassName)][$pPk];
if ($lObject) {
$cache = 'yiidGlobalCache';
}
} else {
// if not found try memcached
$lObject = self::getFromMemcache($lMemcacheId);
$cache = 'yiidMemcache';
}
if ($lObject) {
try {
sfContext::getInstance()->getLogger()->info('{yiidGlobalCache} found a ' . $lClassName . ' with id ' . $pPk . ' in ' . $cache);
} catch (Exception $e) {
}
// store in GLOBALS cache
$GLOBALS['CACHE'][strtoupper($lClassName)][$pPk] = $lObject;
return $lObject;
} else {
$lObject = $lInvoker->getTable()->find($pPk);
if ($lObject) {
MemcacheManager::getInstance()->getCache()->set($lMemcacheId, serialize($lObject));
$GLOBALS['CACHE'][strtoupper($lClassName)][$pPk] = $lObject;
return $lObject;
} else {
return null;
}
}
}
