Moved cache drivers outside core to extensions (plugins)

plugins/cache-redis/Predis/Configuration/ConnectionFactoryOption.php

@@ -0,0 +1,54 @@
+<?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\Configuration;
+
+use Predis\Connection\Factory;
+use Predis\Connection\FactoryInterface;
+
+/**
+ * Configures a connection factory used by the client to create new connection
+ * instances for single Redis nodes.
+ *
+ * @author Daniele Alessandri <suppakilla@gmail.com>
+ */
+class ConnectionFactoryOption implements OptionInterface
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function filter(OptionsInterface $options, $value)
+    {
+        if ($value instanceof FactoryInterface) {
+            return $value;
+        } elseif (is_array($value)) {
+            $factory = $this->getDefault($options);
+
+            foreach ($value as $scheme => $initializer) {
+                $factory->define($scheme, $initializer);
+            }
+
+            return $factory;
+        } else {
+            throw new \InvalidArgumentException(
+                'Invalid value provided for the connections option.'
+            );
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getDefault(OptionsInterface $options)
+    {
+        return new Factory();
+    }
+}