/**
* @param mixed $command
* @return void
* @throws \Exception
*/
public function handle($command)
{
$aggregate = $this->aggregates->buildAggregateRoot($command);
if (!is_object($aggregate)) {
throw new \Exception('Aggregate root must be an object.');
}
$identifier = $this->aggregates->getAggregateIdentifier($command);
$this->applyEvents($aggregate, $this->store->eventsOf($identifier));
$events = $this->handleCommand($aggregate, $command);
if (!$events) {
return;
} else {
if (!is_array($events)) {
$events = [$events];
}
}
$this->appendEvents($events, $identifier);
$this->tellListeners($events);
}
/**
* @param mixed $command
* @return object
*/
public function buildAggregateRoot($command)
{
return $this->first->buildAggregateRoot($command) ?: $this->second->buildAggregateRoot($command);
}
