public function gc($lifetime)
{
// FIXME: This is not the valid signature we would really want to have,
// but this doesn't seems that easy to match the real PHP session lifetime
// API signature with cache backends.
$this->cacheBackend->clear();
return TRUE;
}
/**
* {@inheritdoc}
*/
public function clear()
{
// Remove the cache.
$this->cacheObject->clear($this->generateCacheId());
// Delete all cache fragments for that hash.
$query = new \EntityFieldQuery();
$results = $query->entityCondition('entity_type', 'cache_fragment')->propertyCondition('hash', $this->generateCacheId())->execute();
if (empty($results['cache_fragment'])) {
return;
}
// Delete the actual entities.
entity_delete_multiple('cache_fragment', array_keys($results['cache_fragment']));
}
/**
* {inheritdoc}
*/
public function deleteAll()
{
return $this->backend->clear('*', true);
}
/**
* Stores data in the persistent cache, respecting the use caches flag.
*
* @see \DrupalCacheInterface::set()
*/
protected function cacheSet($cid, $data, $expire = CACHE_PERMANENT, array $tags = array())
{
if ($this->cacheBackend && $this->useCaches) {
$this->cacheBackend->set($cid, $data, $expire, $tags);
}
}
/**
* Reset the internal cache.
*
* Note: This is just thought for tests.
*/
public function reset()
{
$this->cachedDefinition = NULL;
$this->cache->clear($this->getCacheId());
}
function isEmpty()
{
return $this->backend->isEmpty();
}
