DomainEventProxy trait exmple

DomainEventProxy.php

<?php

trait DomainEventProxy
{
	private $eventMethodMapping = [];

	private function callMappedMethod(DomainEvent $event, ...$arguments)
	{
		$method = $this->resolveMethod($event);
		$this->$method($event, ...$arguments);
	}
	
	private function resolveMethod(DomainEvent $event)
	{
	    $eventName = (new ReflectionClass($event))->getShortName();
	    
	    if (!array_key_exists($eventName, $this->eventMethodMapping)) {
	        throw Exception("$eventName has not been mapped.");
	    }
	    
	    return $this->eventMethodMapping[$eventName];
	}
}