/**
* Retrieve the current test session as an AssessmentTestSession object from
* persistent storage.
*
*/
protected function retrieveTestSession()
{
$qtiStorage = $this->getStorage();
$sessionId = $this->getServiceCallId();
if ($qtiStorage->exists($sessionId) === false) {
common_Logger::i("Instantiating QTI Assessment Test Session");
$this->setTestSession($qtiStorage->instantiate($this->getTestDefinition(), $sessionId));
$testTaker = \common_session_SessionManager::getSession()->getUser();
taoQtiTest_helpers_TestRunnerUtils::setInitialOutcomes($this->getTestSession(), $testTaker);
} else {
common_Logger::i("Retrieving QTI Assessment Test Session '{$sessionId}'...");
$this->setTestSession($qtiStorage->retrieve($this->getTestDefinition(), $sessionId));
}
taoQtiTest_helpers_TestRunnerUtils::preserveOutcomes($this->getTestSession());
}
