This library provides the stamps, middlewares and the sulu message bus.

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0.2.2 2023-11-30 09:05 UTC

This package is auto-updated.

Last update: 2024-03-30 00:24:33 UTC


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GitHub license GitHub tag (latest SemVer) Test workflow status Sulu compatibility

This library provides the stamps and middlewares which configures the sulu message bus. It can be used independently in any symfony installation.


Make sure Composer is installed globally, as explained in the installation chapter of the Composer documentation.

Open a command console, enter your project directory and execute:

composer require sulu/messenger

Then, enable the bundle by adding it to the list of registered bundles in the config/bundles.php file of your project:

// config/bundles.php

return [
    // ...
    Sulu\Messenger\Infrastructure\Symfony\HttpKernel\SuluMessengerBundle::class => ['all' => true],



The UnpackExceptionMiddleware will unpack the HandlerFailedException which is created by the Symfony HandleMessageMiddleware. This way we make sure that the real exception is thrown out by this message bus, and a controller can catch or convert it to a specific http status code. This middleware is always activated in the sulu message bus.


The LockMiddleware will allow to lock specific resources by a given key. This is commonly used to prevent concurrent access to the same resource and avoid race conditions. The locking can be activated and controlled via the LockStamp which supports the same parameters as the Symfony LockFactory to create the Lock.

use Sulu\Messenger\Infrastructure\Symfony\Messenger\LockMiddleware\LockStamp;

$this->handle(new Envelope(new YourMessage(), [new LockStamp('lock-key')]));

# set ttl and autorelease
$this->handle(new Envelope(new YourMessage(), [new LockStamp('lock-key', 300.0, true)]));

# multiple locks possible all locks need to be acquired before processing the message
$this->handle(new Envelope(new YourMessage(), [new LockStamp('lock-key-1'), new LockStamp('lock-key-2')]));


The DoctrineFlushMiddleware is a Middleware which let us flush the Doctrine EntityManager by an opt-in flag via the EnableFlushStamp. It can be used this way:

use Sulu\Messenger\Infrastructure\Symfony\Messenger\FlushMiddleware\EnableFlushStamp;

$this->handle(new Envelope(new YourMessage(), [new EnableFlushStamp()]));

This middleware is always activated in the sulu message bus.