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<?php
declare(strict_types=1);
namespace EventSauce\EventSourcing\Snapshotting\Tests;
use EventSauce\EventSourcing\Serialization\SerializablePayload;
class LightSwitchWasFlipped implements SerializablePayload
{
const ON = true;
const OFF = false;
/**
* @var bool
*/
private $state;
private function __construct(bool $state)
$this->state = $state;
}
public function state(): bool
return $this->state;
public static function on(): LightSwitchWasFlipped
return new static(self::ON);
public static function off(): LightSwitchWasFlipped
return new static(self::OFF);
public function toPayload(): array
return ['state' => $this->state];
public static function fromPayload(array $payload): SerializablePayload
return new static($payload['state']);
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