ltsecurityinc安防产品在线商城代码

2026-09-14 17:47:10 +08:00
parent 57d8444c15
commit 6a3c9c5bd8
14539 changed files with 1775310 additions and 0 deletions
@@ -0,0 +1,53 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+/**
+ * Basic implementation of the message exchange mechanism known as pub/sub messaging pattern.
+ * Terminology deviations:
+ *   event            - message
+ *   event manager    - message publisher
+ *   fire event       - publish message
+ *   event subscriber - message subscriber
+ */
+namespace Magento\TestFramework;
+
+class EventManager
+{
+    /**
+     * Registered event subscribers
+     *
+     * @var array
+     */
+    protected $_subscribers = [];
+
+    /**
+     * Constructor
+     *
+     * @param array $subscribers Subscriber instances
+     */
+    public function __construct(array $subscribers)
+    {
+        $this->_subscribers = $subscribers;
+    }
+
+    /**
+     * Notify registered subscribers, which are interested in event
+     *
+     * @param string $eventName
+     * @param array $parameters Parameters to be passed to each subscriber
+     * @param bool $reverseOrder Whether subscribers should be notified in reverse order
+     */
+    public function fireEvent($eventName, array $parameters = [], $reverseOrder = false)
+    {
+        $subscribers = $reverseOrder ? array_reverse($this->_subscribers) : $this->_subscribers;
+        foreach ($subscribers as $subscriberInstance) {
+            $callback = [$subscriberInstance, $eventName];
+            if (is_callable($callback)) {
+                call_user_func_array($callback, $parameters);
+            }
+        }
+    }
+}