From 46b94ce451d08c36b9378bb140fc2b294747e21c Mon Sep 17 00:00:00 2001
From: Alessandro Chitolina <alekitto@gmail.com>
Date: Sun, 16 Jun 2019 12:30:12 +0200
Subject: [PATCH] use psr event dispatcher

---
 composer.json                           |  5 +----
 lib/Event/ClassMetadataLoadedEvent.php  | 25 +++++++++++++++++++++++--
 lib/Factory/AbstractMetadataFactory.php |  2 +-
 tests/Factory/MetadataFactoryTest.php   |  2 +-
 4 files changed, 26 insertions(+), 8 deletions(-)

diff --git a/composer.json b/composer.json
index 1a4968b..3bdf238 100644
--- a/composer.json
+++ b/composer.json
@@ -18,13 +18,10 @@
     "doctrine/cache": "^1.4",
     "mikey179/vfsstream": "^1.6",
     "phpunit/phpunit": "^8.0",
+    "psr/event-dispatcher": "^1.0",
     "symfony/cache": "^4.3",
-    "symfony/event-dispatcher": "^4.3",
     "symfony/finder": "^4.3"
   },
-  "conflict": {
-    "symfony/event-dispatcher": "<4.3"
-  },
   "suggest": {
     "symfony/cache": "cache metadata",
     "symfony/event-dispatcher": "dispatch metadata load event",
diff --git a/lib/Event/ClassMetadataLoadedEvent.php b/lib/Event/ClassMetadataLoadedEvent.php
index 583484f..01b5133 100644
--- a/lib/Event/ClassMetadataLoadedEvent.php
+++ b/lib/Event/ClassMetadataLoadedEvent.php
@@ -3,10 +3,15 @@
 namespace Kcs\Metadata\Event;
 
 use Kcs\Metadata\ClassMetadataInterface;
-use Symfony\Contracts\EventDispatcher\Event;
+use Psr\EventDispatcher\StoppableEventInterface;
 
-class ClassMetadataLoadedEvent extends Event
+class ClassMetadataLoadedEvent implements StoppableEventInterface
 {
+    /**
+     * @var bool
+     */
+    private $propagationStopped = false;
+
     /**
      * @var ClassMetadataInterface
      */
@@ -24,4 +29,20 @@ public function getMetadata(): ClassMetadataInterface
     {
         return $this->metadata;
     }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function isPropagationStopped(): bool
+    {
+        return $this->propagationStopped;
+    }
+
+    /**
+     * Stops the propagation of the event to further event listeners.
+     */
+    public function stopPropagation(): void
+    {
+        $this->propagationStopped = true;
+    }
 }
diff --git a/lib/Factory/AbstractMetadataFactory.php b/lib/Factory/AbstractMetadataFactory.php
index 0a7559b..e01d308 100644
--- a/lib/Factory/AbstractMetadataFactory.php
+++ b/lib/Factory/AbstractMetadataFactory.php
@@ -8,7 +8,7 @@
 use Kcs\Metadata\Exception\InvalidMetadataException;
 use Kcs\Metadata\Loader\LoaderInterface;
 use Psr\Cache\CacheItemPoolInterface;
-use Symfony\Component\EventDispatcher\EventDispatcherInterface;
+use Psr\EventDispatcher\EventDispatcherInterface;
 
 abstract class AbstractMetadataFactory implements MetadataFactoryInterface
 {
diff --git a/tests/Factory/MetadataFactoryTest.php b/tests/Factory/MetadataFactoryTest.php
index 0f41c82..112964e 100644
--- a/tests/Factory/MetadataFactoryTest.php
+++ b/tests/Factory/MetadataFactoryTest.php
@@ -12,8 +12,8 @@
 use Prophecy\Argument;
 use Prophecy\Prophecy\ObjectProphecy;
 use Psr\Cache\CacheItemPoolInterface;
+use Psr\EventDispatcher\EventDispatcherInterface;
 use Symfony\Component\Cache\Adapter\ArrayAdapter;
-use Symfony\Component\EventDispatcher\EventDispatcherInterface;
 use Symfony\Contracts\Cache\ItemInterface;
 
 class MockedClassMetadataFactory extends MetadataFactory