Added mongodb factory

Author: Nyholm

src/Factory/MongoDBFactory.php

@@ -0,0 +1,53 @@
+<?php
+
+/*
+ * This file is part of php-cache\adapter-bundle package.
+ *
+ * (c) 2015-2015 Aaron Scherer <[email protected]>, Tobias Nyholm <[email protected]>
+ *
+ * This source file is subject to the MIT license that is bundled
+ * with this source code in the file LICENSE.
+ */
+
+namespace Cache\AdapterBundle\Factory;
+
+use Cache\Adapter\MongoDB\MongoDBCachePool;
+use MongoDB\Driver\Manager;
+use Symfony\Component\OptionsResolver\OptionsResolver;
+
+/**
+ * @author Tobias Nyholm <[email protected]>
+ */
+class MongoDBFactory extends AbstractAdapterFactory
+{
+    protected static $dependencies = [
+      ['requiredClass' => 'Cache\Adapter\MongoDB\MongoDBCachePool', 'packageName' => 'cache/mongodb-adapter'],
+    ];
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAdapter(array $config)
+    {
+        $manager = new Manager(sprintf('mongodb://%s:%s', $config['host'], $config['port']));
+        $collection = MongoDBCachePool::createCollection($manager, $config['namespace']);
+
+        return new MongoDBCachePool($collection);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected static function configureOptionResolver(OptionsResolver $resolver)
+    {
+        $resolver->setDefaults([
+          'host'      => '127.0.0.1',
+          'port'      => 11211,
+          'namespace' => 'cache',
+        ]);
+
+        $resolver->setAllowedTypes('host', ['string']);
+        $resolver->setAllowedTypes('port', ['string', 'int']);
+        $resolver->setAllowedTypes('namespace', ['string']);
+    }
+}