protected function getCurrentVersion($workflowName)
{
$workflowName = $this->getFilesystemWorkflowName($workflowName);
$files = glob($this->directory . $workflowName . '_*.xml');
if (!empty($files)) {
return (int) str_replace(array($this->directory . $workflowName . '_', '.xml'), '', $files[count($files) - 1]);
} else {
return 0;
}
}