/
EventDispatchingCommandBus.php
64 lines (54 loc) · 1.58 KB
/
EventDispatchingCommandBus.php
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<?php
/*
* This file is part of the broadway/broadway package.
*
* (c) Qandidate.com <opensource@qandidate.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
declare(strict_types=1);
namespace Broadway\CommandHandling;
use Broadway\EventDispatcher\EventDispatcher;
use Exception;
/**
* Command bus decorator that dispatches events.
*
* Dispatches events signalling whether a command was executed successfully or
* if it failed.
*/
final class EventDispatchingCommandBus implements CommandBus
{
const EVENT_COMMAND_SUCCESS = 'broadway.command_handling.command_success';
const EVENT_COMMAND_FAILURE = 'broadway.command_handling.command_failure';
private $commandBus;
private $dispatcher;
public function __construct(CommandBus $commandBus, EventDispatcher $dispatcher)
{
$this->commandBus = $commandBus;
$this->dispatcher = $dispatcher;
}
/**
* {@inheritDoc}
*/
public function dispatch($command)
{
try {
$this->commandBus->dispatch($command);
$this->dispatcher->dispatch(self::EVENT_COMMAND_SUCCESS, ['command' => $command]);
} catch (Exception $e) {
$this->dispatcher->dispatch(
self::EVENT_COMMAND_FAILURE,
['command' => $command, 'exception' => $e]
);
throw $e;
}
}
/**
* {@inheritDoc}
*/
public function subscribe(CommandHandler $handler)
{
$this->commandBus->subscribe($handler);
}
}