ICanBoogie\MessageBus\SimpleHandlerProvider

Complexity

Total Complexity

3

Size/Duplication

Total Lines	27
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	1

Importance

Changes

0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	4	1
A	getHandlerForMessage()	0	11	2

<?php

/*
 * This file is part of the ICanBoogie package.
 *
 * (c) Olivier Laviale <olivier.laviale@gmail.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace ICanBoogie\MessageBus;

/**
 * A simple implementation of {@link HandlerProvider}.
 */
final class SimpleHandlerProvider implements HandlerProvider
{
    /**
     * @var array<string, callable>
     */
    private $handlers;

    /**
     * @param array<string, callable> $handlers
     */
    public function __construct(array $handlers)
    {
        $this->handlers = $handlers;
    }

    public function getHandlerForMessage(object $message): callable
    {
        $class = get_class($message);
        $handler = $this->handlers[$class] ?? null;

        if (!$handler) {
            throw new NotFound("No handler for messages of type `$class`.");
        }

        return $handler;
    }
}