Surfnet\StepupMiddleware\MiddlewareBundle\Service\TransactionAwareEventDispatcher

Complexity

Total Complexity

4

Size/Duplication

Total Lines	37
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	2

Importance

Changes	1
Bugs	0	Features	0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	5	1
A	registerProjector()	0	4	1
A	dispatch()	0	13	2

<?php

/**
 * Copyright 2017 SURFnet B.V.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Surfnet\StepupMiddleware\MiddlewareBundle\Service;

use Broadway\Domain\DomainEventStreamInterface;
use Broadway\ReadModel\ProjectorInterface;
use Exception;

final class TransactionAwareEventDispatcher implements EventDispatcher
{
    /**
     * @var EventDispatcher
     */
    private $eventDispatcher;

    /**
     * @var DBALConnectionHelper
     */
    private $connectionHelper;

    public function __construct(DBALConnectionHelper $connectionHelper, EventDispatcher $eventDispatcher)
    {
        $this->connectionHelper = $connectionHelper;
        $this->eventDispatcher  = $eventDispatcher;
    }

    public function registerProjector(ProjectorInterface $projector)
    {
        $this->eventDispatcher->registerProjector($projector);
    }

    public function dispatch(DomainEventStreamInterface $events)
    {
        $this->connectionHelper->beginTransaction();

        try {
            $this->eventDispatcher->dispatch($events);
            $this->connectionHelper->commit();
        } catch (Exception $exception) {
            $this->connectionHelper->rollBack();

            throw $exception;
        }
    }
}