/**
* Factory method to create a part.
*
* @param $partId
* @param $manufacturerId
* @param $manufacturerName
* @return Part
*/
public static function manufacture($partId, $manufacturerId, $manufacturerName)
{
$part = new Part();
// After instantiation of the object we apply the "PartWasManufacturedEvent".
$part->apply(new PartWasManufacturedEvent($partId, $manufacturerId, $manufacturerName));
return $part;
}
/**
* A new part aggregate root is created and added to the repository.
*
* @param ManufacturePartCommand $command
*/
protected function handleManufacturePartCommand(ManufacturePartCommand $command)
{
$part = Part::manufacture($command->partId, $command->manufacturerId, $command->manufacturerName);
$this->repository->save($part);
}