public function __construct()
{
if ($this->provider === null) {
$this->provider = new SQLImpressionsProvider();
}
if ($this->peopleTagManager === null) {
$this->peopleTagManager = PeopleTagManager::getInstance();
}
if ($this->impressionTagManager === null) {
$this->impressionTagManager = ImpressionTagManager::getInstance();
}
}
public static function getInstance()
{
if (self::$Instance === null) {
self::$Instance = new ImpressionTagManager();
}
return self::$Instance;
}