Rename MessageHandlerCollection to ChainHandler

Author: sroze

src/Symfony/Component/Message/DependencyInjection/MessagePass.php

@@ -18,7 +18,7 @@
 use Symfony\Component\DependencyInjection\Definition;
 use Symfony\Component\DependencyInjection\Exception\RuntimeException;
 use Symfony\Component\DependencyInjection\Reference;
-use Symfony\Component\Message\Handler\MessageHandlerCollection;
+use Symfony\Component\Message\Handler\ChainHandler;
 
 /**
  * @author Samuel Roze <samuel.roze@gmail.com>
@@ -86,7 +86,7 @@ private function registerHandlers(ContainerBuilder $container)
             if (1 === count($handlers)) {
                 $handlersByMessage[$message] = current($handlers);
             } else {
-                $d = new Definition(MessageHandlerCollection::class, array($handlers));
+                $d = new Definition(ChainHandler::class, array($handlers));
                 $d->setPrivate(true);
                 $serviceId = hash('sha1', $message);
                 $definitions[$serviceId] = $d;

src/Symfony/Component/Message/Handler/MessageHandlerCollection.php renamed to src/Symfony/Component/Message/Handler/ChainHandler.php

@@ -16,7 +16,7 @@
  *
  * @author Samuel Roze <samuel.roze@gmail.com>
  */
-class MessageHandlerCollection
+class ChainHandler
 {
     /**
      * @var callable[]

src/Symfony/Component/Message/HandlerLocator.php

@@ -12,7 +12,7 @@
 namespace Symfony\Component\Message;
 
 use Symfony\Component\Message\Exception\NoHandlerForMessageException;
-use Symfony\Component\Message\Handler\MessageHandlerCollection;
+use Symfony\Component\Message\Handler\ChainHandler;
 
 /**
  * @author Samuel Roze <samuel.roze@gmail.com>
@@ -41,7 +41,7 @@ public function resolve($message): callable
 
         $handler = $this->messageToHandlerMapping[$messageKey];
         if ($this->isCollectionOfHandlers($handler)) {
-            $handler = new MessageHandlerCollection($handler);
+            $handler = new ChainHandler($handler);
         }
 
         return $handler;