old-town / workflow-zf2-dispatch

        $result = null;

        switch ($workflowActivity) {

            case 'initialize': {

                $workflowNameParam = $metadata->getWorkflowNameRouterParam();

                $workflowName = $routeMatch->getParam($workflowNameParam, null);

                if (null === $workflowName) {

                    $errMsg = sprintf('Param "%s" not found', $workflowNameParam);

                    throw new Exception\InvalidArgumentException($errMsg);

                }

                $result = $this->getWorkflowService()->initialize($workflowManagerName, $workflowName, $workflowActionName, $transientVars);

                break;

            }

            case 'doAction': {

                $entryIdParam = $metadata->getEntryIdRouterParam();

                $entryId = $routeMatch->getParam($entryIdParam, null);

                $result = $this->getWorkflowService()->initialize($workflowManagerName, $workflowName, $workflowActionName, $transientVars);

                break;

            }

            case 'doAction': {

                $entryIdParam = $metadata->getEntryIdRouterParam();

                $entryId = $routeMatch->getParam($entryIdParam, null);

                if (null === $entryId) {

                    $errMsg = sprintf('Param "%s" not found', $entryIdParam);

                    throw new Exception\InvalidArgumentException($errMsg);

                }

                $result = $this->getWorkflowService()->doAction($workflowManagerName, $entryId, $workflowActionName, $transientVars);

                break;

            }

            default: {

                $errMsg = sprintf('Invalid activity %s', $workflowActivity);

                throw new Exception\InvalidArgumentException($errMsg);