Moved cache drivers outside core to extensions (plugins)

plugins/cache-redis/Predis/Profile/Factory.php

@@ -0,0 +1,100 @@
+<?php
+
+/*
+ * This file is part of the Predis package.
+ *
+ * (c) Daniele Alessandri <suppakilla@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Predis\Profile;
+
+use Predis\ClientException;
+
+/**
+ * Factory class for creating profile instances from strings.
+ *
+ * @author Daniele Alessandri <suppakilla@gmail.com>
+ */
+final class Factory
+{
+    private static $profiles = array(
+        '2.0' => 'Predis\Profile\RedisVersion200',
+        '2.2' => 'Predis\Profile\RedisVersion220',
+        '2.4' => 'Predis\Profile\RedisVersion240',
+        '2.6' => 'Predis\Profile\RedisVersion260',
+        '2.8' => 'Predis\Profile\RedisVersion280',
+        '3.0' => 'Predis\Profile\RedisVersion300',
+        'dev' => 'Predis\Profile\RedisUnstable',
+        'default' => 'Predis\Profile\RedisVersion300',
+    );
+
+    /**
+     *
+     */
+    private function __construct()
+    {
+        // NOOP
+    }
+
+    /**
+     * Returns the default server profile.
+     *
+     * @return ProfileInterface
+     */
+    public static function getDefault()
+    {
+        return self::get('default');
+    }
+
+    /**
+     * Returns the development server profile.
+     *
+     * @return ProfileInterface
+     */
+    public static function getDevelopment()
+    {
+        return self::get('dev');
+    }
+
+    /**
+     * Registers a new server profile.
+     *
+     * @param string $alias Profile version or alias.
+     * @param string $class FQN of a class implementing Predis\Profile\ProfileInterface.
+     *
+     * @throws \InvalidArgumentException
+     */
+    public static function define($alias, $class)
+    {
+        $reflection = new \ReflectionClass($class);
+
+        if (!$reflection->isSubclassOf('Predis\Profile\ProfileInterface')) {
+            throw new \InvalidArgumentException("The class '$class' is not a valid profile class.");
+        }
+
+        self::$profiles[$alias] = $class;
+    }
+
+    /**
+     * Returns the specified server profile.
+     *
+     * @param string $version Profile version or alias.
+     *
+     * @throws ClientException
+     *
+     * @return ProfileInterface
+     */
+    public static function get($version)
+    {
+        if (!isset(self::$profiles[$version])) {
+            throw new ClientException("Unknown server profile: '$version'.");
+        }
+
+        $profile = self::$profiles[$version];
+
+        return new $profile();
+    }
+}