models/classes/runner/QtiRunnerService.php
protected function getTransmissionId(QtiRunnerServiceContext $context, $itemId = null)
    {
        if (is_null($itemId)) {
            $itemId = $context->getCurrentAssessmentItemRef();
        } elseif ($itemId != $context->getCurrentAssessmentItemRef()) {
            throw new \common_exception_NotImplemented('Item variables can be stored only for the current item');
        }

        $sessionId = $context->getTestSession()->getSessionId();
        $currentOccurrence = $context->getTestSession()->getCurrentAssessmentItemRefOccurence();

        return $sessionId . '.' . $itemId . '.' . $currentOccurrence;
    }
protected function getTransmissionId(QtiRunnerServiceContext $context, $itemId = null)
    {
        if (is_null($itemId)) {
            $itemId = $context->getCurrentAssessmentItemRef();
        } elseif ($itemId != $context->getCurrentAssessmentItemRef()) {
            throw new \common_exception_NotImplemented('Item variables can be stored only for the current item');
        }

        $sessionId = $context->getTestSession()->getSessionId();
        $currentOccurrence = $context->getTestSession()->getCurrentAssessmentItemRefOccurence();

        return $sessionId . '.' . $itemId . '.' . $currentOccurrence;
    }
protected function getTransmissionId ( QtiRunnerServiceContext $ context , $ itemId = null ) { if ( is_null ( $ itemId ) ) { $ itemId = $ context -> getCurrentAssessmentItemRef ( ) ; } elseif ( $ itemId != $ context -> getCurrentAssessmentItemRef ( ) ) { throw new \ common_exception_NotImplemented ( 'Item variables can be stored only for the current item' ) ; } $ sessionId = $ context -> getTestSession ( ) -> getSessionId ( ) ; $ currentOccurrence = $ context -> getTestSession ( ) -> getCurrentAssessmentItemRefOccurence ( ) ; return $ sessionId . '.' . $ itemId . '.' . $ currentOccurrence ; }
Build the transmission based on context and item ref id to store Item variables

@param QtiRunnerServiceContext $context
@param null $itemId The item ref identifier
@return string The transmission id to store item variables
@throws \common_exception_NotImplemented If the given $itemId is not the current assessment item ref
Build the transmission based on context and item ref id to store Item variables