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<?php
declare(strict_types=1);
namespace OniBus;
use InvalidArgumentException;
class BusChain implements Bus
{
/**
* @var Chain[]
*/
protected $buses = [];
public function __construct(Chain ...$buses)
if (empty($buses)) {
throw new InvalidArgumentException('Bus Chain cannot be empty.');
}
$this->buses = $buses;
$count = count($buses);
for ($i = 0; $i < $count; $i++) {
$nextBus = $this->buses[$i + 1] ?? $this->dummyBus();
$this->buses[$i]->setNext($nextBus);
protected function dummyBus(): Bus
return new class implements Bus {
public function dispatch(Message $message)
};
return $this->buses[0]->dispatch($message);
brenoroosevelt /
oni-bus
