symfony/lock 추가

vendor/symfony/lock/LockInterface.php

@@ -0,0 +1,59 @@
+<?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;
+
+use Symfony\Component\Lock\Exception\LockAcquiringException;
+use Symfony\Component\Lock\Exception\LockConflictedException;
+use Symfony\Component\Lock\Exception\LockReleasingException;
+
+/**
+ * LockInterface defines an interface to manipulate the status of a lock.
+ *
+ * @author Jérémy Derussé <jeremy@derusse.com>
+ */
+interface LockInterface
+{
+    /**
+     * Acquires the lock. If the lock is acquired by someone else, the parameter `blocking` determines whether or not
+     * the the call should block until the release of the lock.
+     *
+     * @param bool $blocking Whether or not the Lock should wait for the release of someone else
+     *
+     * @return bool whether or not the lock had been acquired
+     *
+     * @throws LockConflictedException If the lock is acquired by someone else in blocking mode
+     * @throws LockAcquiringException  If the lock can not be acquired
+     */
+    public function acquire($blocking = false);
+
+    /**
+     * Increase the duration of an acquired lock.
+     *
+     * @throws LockConflictedException If the lock is acquired by someone else
+     * @throws LockAcquiringException  If the lock can not be refreshed
+     */
+    public function refresh();
+
+    /**
+     * Returns whether or not the lock is acquired.
+     *
+     * @return bool
+     */
+    public function isAcquired();
+
+    /**
+     * Release the lock.
+     *
+     * @throws LockReleasingException If the lock can not be released
+     */
+    public function release();
+}