texdc/momento

A library for domain events

Momento

Simple domain event library inspired by Vaughn Vernon's book Implementing Domain Driven Design, and some of his code samples., _(*1)

, _(*2)

Event Handlers

namespace My\Event;

use texdc\momento\AbstractEventHandler;
use texdc\momento\EventInterface;

final class Handler extends AbstractEventHandler
{
    protected static $validEventTypes = [
        FooEvent::TYPE,
        BarEvent::TYPE,
    ];

    public function __invoke(EventInterface $anEvent)
    {
        $type = $anEvent->eventType();
        $this->guardValidEventType($type);
        call_user_func([$this, $type], $anEvent);
    }

    // ...
}