private static function initialize()
 {
     global $memcache;
     /** After PHP 5.0.5, session write performs after object destruction. */
     self::$mc = $memcache;
     /** To Avoid this, just copy memcache handle into Session object.     */
     self::$context = Model_Context::getInstance();
     self::$pool = DBModel::getInstance();
 }
 private static function initialize()
 {
     self::$context = Model_Context::getInstance();
     self::$pool = DBModel::getInstance();
 }