/**
* @param Hexa $hexa1
* @param Hexa $hexa2
* @return Frontiere
*/
public function createIfNotExists(Hexa $hexa1, Hexa $hexa2)
{
$frontiere = $this->getByIndex(Partie::getIndexCouple($hexa1, $hexa2));
if (is_null($frontiere)) {
$frontiere = new Frontiere($hexa1, $hexa2);
$this->append($frontiere);
}
return $frontiere;
}
/**
* @return string
*/
public function getIndex()
{
return Partie::getIndexCouple($this->getHexa1(), $this->getHexa2());
}