public function play(EntityManager $entityManager, array $args)
{
$vehicle = new Car();
$vehicle->setOffer("Brand New Audi A8 for just 80.000 €");
$vehicle->setPrice(80000);
$vehicle->setAdmission(new \DateTime("2012-01-01"));
$vehicle->setKilometres(400);
$make = new Make();
$make->setLabel("Audi");
$vehicle->setMake($make);
$entityManager->persist($vehicle);
$entityManager->persist($make);
$this->tick("flush");
$entityManager->flush();
$this->tick("flush");
$entityManager->clear();
$vehicle = $entityManager->find('CarDealer\\Inheritance\\Vehicle', $vehicle->getId());
echo "The price is: " . $vehicle->getPrice() . "\n";
}
