symfony/lock 추가

vendor/symfony/lock/Strategy/UnanimousStrategy.php

@@ -0,0 +1,36 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Lock\Strategy;
+
+/**
+ * UnanimousStrategy is a StrategyInterface implementation where 100% of elements should be successful.
+ *
+ * @author Jérémy Derussé <jeremy@derusse.com>
+ */
+class UnanimousStrategy implements StrategyInterface
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function isMet($numberOfSuccess, $numberOfItems)
+    {
+        return $numberOfSuccess === $numberOfItems;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function canBeMet($numberOfFailure, $numberOfItems)
+    {
+        return 0 === $numberOfFailure;
+    }
+}