start a restructure

Behavioral/Mediator/Mediator.php

@@ -0,0 +1,59 @@
+<?php
+
+namespace DesignPatterns\Mediator;
+
+use DesignPatterns\Mediator\Subsystem;
+
+/**
+ * Mediator is the concrete Mediator for this design pattern.
+ *
+ * In this example, I have made a "Hello World" with the Mediator Pattern.
+ */
+class Mediator implements MediatorInterface
+{
+
+    // you could have an array
+    protected $server;
+    protected $database;
+    protected $client;
+
+    /**
+     * @param Subsystem\Database $db
+     * @param Subsystem\Client   $cl
+     * @param Subsystem\Server   $srv
+     */
+    public function setColleague(Subsystem\Database $db, Subsystem\Client $cl, Subsystem\Server $srv)
+    {
+        $this->database = $db;
+        $this->server = $srv;
+        $this->client = $cl;
+    }
+
+    /**
+     * make request
+     */
+    public function makeRequest()
+    {
+        $this->server->process();
+    }
+
+    /**
+     * query db
+     *
+     * @return mixed
+     */
+    public function queryDb()
+    {
+        return $this->database->getData();
+    }
+
+    /**
+     * send response
+     *
+     * @param string $content
+     */
+    public function sendResponse($content)
+    {
+        $this->client->output($content);
+    }
+}