/**
* Returns an instance of the distributed cache driver
*
* @return Pfw_Cache|null instance of a Pfw_Cache object or null if none
* is configured
*/
public static function getInstance()
{
if (!is_null(self::$instance)) {
return self::$instance;
}
if (null == ($dist_cache = Pfw_Config::get('dist_cache'))) {
return null;
}
if (is_array($dist_cache)) {
$class = $dist_cache['class'];
unset($dist_cache['class']);
$options = $dist_cache;
} else {
$class = $dist_cache;
$options = array();
}
Pfw_Loader::loadClass($class);
self::$instance = new $class($options);
return self::$instance;
}
public function destroy($id)
{
if (isset($this->sessions[$id])) {
unset($this->sessions[$id]);
}
Pfw_Cache_Dist::delete($this->cacheKey($id));
$this->db->deleteFromTable($this->db_table, array('session_id = %s', $id));
}
public function testOptions()
{
Pfw_Config::setConfig(array('dist_cache' => array('class' => 'Pfw_Cache_Stub', 'stuff' => 'ok')));
$this->assertEquals(array('stuff' => 'ok'), Pfw_Cache_Dist::getInstance()->options);
}
