public function getResourcesBySourceName($sourceName)
    {
        // Getting source object first
        $source = $this->getSourceByName($sourceName);

        // Getting the data
        if ($source instanceof SourceInterface) {
            // Getting result iterator
            try {
                return $source->getContentIterator();
            } catch (\Exception $e) {
                throw new Exception\SourceGetDataException(
                    sprintf(
                        'Exception caught while getting the content for the following source object: %s',
                        $source->toString()
                    )
                );
            }
        }
        return null;
    }