public function getConnStr($storeName, $podName = null)
    {
        if (array_key_exists($storeName,$this->dbConfig))
        {
            if(!$podName)
            {
                return $this->getConnStrForDataSource($this->dbConfig[$storeName]['data_source']);
            }
            $pods = $this->getPods($storeName);
            if(array_key_exists($podName, $pods))
            {
                return $this->getConnStrForDataSource($pods[$podName]['data_source']);
            }
            throw new \Tripod\Exceptions\ConfigException("Collection $podName does not exist for database $storeName");
        }
        else
        {
            throw new \Tripod\Exceptions\ConfigException("Database $storeName does not exist in configuration");
        }
    }