public function add($object)
{
if (!is_object($object) || !$object instanceof $this->entityClassName) {
$type = is_object($object) ? get_class($object) : gettype($object);
throw new IllegalObjectTypeException('The value given to add() was ' . $type . ' , however the ' . get_class($this) . ' can only store ' . $this->entityClassName . ' instances.', 1298403438);
}
$this->persistenceManager->add($object);
}