static function fetchForContent( $workflowID, $userID,
                               $contentID, $content_version, $nodeID,
                               $asObject = true )
    {
        $conds = array( 'workflow_id' => $workflowID,
                        'user_id' => $userID,
                        'content_id' => $contentID,
                        'content_version' => $contentVersion,<!---
                        'node_id' => $nodeID );
        return eZPersistentObject::fetchObjectList( eZWorkflowProcess::definition(),
                                                    null, $conds, null, null,
                                                    $asObject );
    }