symfony/lock 추가

2018-05-08 00:38:29 +09:00
parent 330853c98d
commit a3f6a8e8ab
82 changed files with 5316 additions and 2 deletions
@@ -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;
+
+/**
+ * ConsensusStrategy is a StrategyInterface implementation where strictly more than 50% items should be successful.
+ *
+ * @author Jérémy Derussé <jeremy@derusse.com>
+ */
+class ConsensusStrategy implements StrategyInterface
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function isMet($numberOfSuccess, $numberOfItems)
+    {
+        return $numberOfSuccess > ($numberOfItems / 2);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function canBeMet($numberOfFailure, $numberOfItems)
+    {
+        return $numberOfFailure < ($numberOfItems / 2);
+    }
+}
@@ -0,0 +1,43 @@
+<?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;
+
+/**
+ * StrategyInterface defines an interface to indicate when a quorum is met and can be met.
+ *
+ * @author Jérémy Derussé <jeremy@derusse.com>
+ */
+interface StrategyInterface
+{
+    /**
+     * Returns whether or not the quorum is met.
+     *
+     * @param int $numberOfSuccess
+     * @param int $numberOfItems
+     *
+     * @return bool
+     */
+    public function isMet($numberOfSuccess, $numberOfItems);
+
+    /**
+     * Returns whether or not the quorum *could* be met.
+     *
+     * This method does not mean the quorum *would* be met for sure, but can be useful to stop a process early when you
+     * known there is no chance to meet the quorum.
+     *
+     * @param int $numberOfFailure
+     * @param int $numberOfItems
+     *
+     * @return bool
+     */
+    public function canBeMet($numberOfFailure, $numberOfItems);
+}
@@ -0,0 +1,36 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Lock\Strategy;
+
+/**
+ * UnanimousStrategy is a StrategyInterface implementation where 100% of elements should be successful.
+ *
+ * @author Jérémy Derussé <jeremy@derusse.com>
+ */
+class UnanimousStrategy implements StrategyInterface
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function isMet($numberOfSuccess, $numberOfItems)
+    {
+        return $numberOfSuccess === $numberOfItems;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function canBeMet($numberOfFailure, $numberOfItems)
+    {
+        return 0 === $numberOfFailure;
+    }
+}