--- /dev/null
+<?php
+
+/*
+ * This file is part of the Prophecy.
+ * (c) Konstantin Kudryashov <ever.zet@gmail.com>
+ * Marcello Duarte <marcello.duarte@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Prophecy\Comparator;
+
+use SebastianBergmann\Comparator\Factory as BaseFactory;
+
+/**
+ * Prophecy comparator factory.
+ *
+ * @author Konstantin Kudryashov <ever.zet@gmail.com>
+ */
+final class Factory extends BaseFactory
+{
+ /**
+ * @var Factory
+ */
+ private static $instance;
+
+ public function __construct()
+ {
+ parent::__construct();
+
+ $this->register(new ClosureComparator());
+ $this->register(new ProphecyComparator());
+ }
+
+ /**
+ * @return Factory
+ */
+ public static function getInstance()
+ {
+ if (self::$instance === null) {
+ self::$instance = new Factory;
+ }
+
+ return self::$instance;
+ }
+}