private function _initializeTypes()
{
static $hasInitialized = false;
if (!$hasInitialized) {
foreach (StatisticTypes::getTrackerClasses() as $_type => $_class) {
if (!\class_exists($_class)) {
throw TrackerException::trackerClassDoesNotExist($_class);
}
$_tracker = new $_class();
if (!$_tracker instanceof Tracker) {
throw TrackerException::invalidTrackerClass($_tracker);
}
// inject dependencies
$_tracker->setDoctrine($this->doctrine);
$this->trackers[$_type] = $_tracker;
}
$hasInitialized = true;
}
}
private function _getCommonAdvertisementStatisticParameters($advertisement)
{
if ($advertisement instanceof AdvertisementDenormalizedProperty) {
// transform to array data
$advertisementData = array('id' => $advertisement->getId(), 'institution' => array('id' => $advertisement->getInstitution()->getId()));
} else {
if (!\is_array($advertisement)) {
// unknown hydration type
throw TrackerException::unknownAdvertisementDataType();
}
$advertisementData = $advertisement;
}
$parameters = array(StatisticParameters::ADVERTISEMENT_ID => $advertisementData['id'], StatisticParameters::INSTITUTION_ID => $advertisementData['institution']['id'], StatisticParameters::TYPE => StatisticTypes::ADVERTISEMENT);
return $parameters;
}
