Merge branch '4.1'

* 4.1:
  [Messenger] Middleware factories support in config
  [HttpKernel] Make TraceableValueResolver $stopwatch mandatory
  [Messenger] Improve the profiler panel
  [Workflow] Added DefinitionBuilder::setMetadataStore().
  [Messenger][DX] Uses custom method names for handlers
  [Messenger] remove autoconfiguration for Sender/ReceiverInterface
  [Messenger] Make sure default receiver name is set before command configuration
  [HttpKernel] Fix services are no longer injected into __invoke controllers method
  Rename tag attribute "name" by "alias"
  Autoconfiguring TransportFactoryInterface classes
  [Messenger] Fix new AMQP Transport test with Envelope
  Fixed return senders based on the message parents/interfaces
  [Messenger] Make sure Sender and Receiver locators have valid services
  [Workflow] add is deprecated since Symfony 4.1. Use addWorkflow() instead
  [Messenger] Fix TraceableBus with envelope
  Ensure the envelope is passed back and can be altered Ensure that the middlewares can also update the message within the envelope
  feature #26945 [Messenger] Support configuring messages when dispatching (ogizanagi)
  Add more tests around the AMQP transport

Author: sroze

Messenger/DoctrineTransactionMiddlewareFactory.php

@@ -0,0 +1,37 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Bridge\Doctrine\Messenger;
+
+use Symfony\Bridge\Doctrine\ManagerRegistry;
+
+/**
+ * Create a Doctrine ORM transaction middleware to be used in a message bus from an entity manager name.
+ *
+ * @author Maxime Steinhausser <[email protected]>
+ *
+ * @experimental in 4.1
+ * @final
+ */
+class DoctrineTransactionMiddlewareFactory
+{
+    private $managerRegistry;
+
+    public function __construct(ManagerRegistry $managerRegistry)
+    {
+        $this->managerRegistry = $managerRegistry;
+    }
+
+    public function createMiddleware(string $managerName): DoctrineTransactionMiddleware
+    {
+        return new DoctrineTransactionMiddleware($this->managerRegistry, $managerName);
+    }
+}