/**
* sets the starting set for the user
*
* @param $id_set int
* @throws NullPointerException
* @return void
*/
public function setStartingSet($id_set)
{
$id_set = intval($id_set);
ModelStartingSet::getSet($id_set);
$this->id_set = $id_set;
DataSource::Singleton()->epp('set_starting_set_for_user', array(':id_user' => $this->id_user, ':id_game' => $this->id_game, ':id_set' => $this->id_set));
}
