Version 1

[yaffs-website] / vendor / doctrine / cache / lib / Doctrine / Common / Cache / ArrayCache.php

diff --git a/vendor/doctrine/cache/lib/Doctrine/Common/Cache/ArrayCache.php b/vendor/doctrine/cache/lib/Doctrine/Common/Cache/ArrayCache.php
new file mode 100644 (file)
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+++ b/vendor/doctrine/cache/lib/Doctrine/Common/Cache/ArrayCache.php
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+<?php
+/*
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * This software consists of voluntary contributions made by many individuals
+ * and is licensed under the MIT license. For more information, see
+ * <http://www.doctrine-project.org>.
+ */
+
+namespace Doctrine\Common\Cache;
+
+/**
+ * Array cache driver.
+ *
+ * @link   www.doctrine-project.org
+ * @since  2.0
+ * @author Benjamin Eberlei <kontakt@beberlei.de>
+ * @author Guilherme Blanco <guilhermeblanco@hotmail.com>
+ * @author Jonathan Wage <jonwage@gmail.com>
+ * @author Roman Borschel <roman@code-factory.org>
+ * @author David Abdemoulaie <dave@hobodave.com>
+ */
+class ArrayCache extends CacheProvider
+{
+    /**
+     * @var array[] $data each element being a tuple of [$data, $expiration], where the expiration is int|bool
+     */
+    private $data = [];
+
+    /**
+     * @var int
+     */
+    private $hitsCount = 0;
+
+    /**
+     * @var int
+     */
+    private $missesCount = 0;
+
+    /**
+     * @var int
+     */
+    private $upTime;
+
+    /**
+     * {@inheritdoc}
+     */
+    public function __construct()
+    {
+        $this->upTime = time();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function doFetch($id)
+    {
+        if (! $this->doContains($id)) {
+            $this->missesCount += 1;
+
+            return false;
+        }
+
+        $this->hitsCount += 1;
+
+        return $this->data[$id][0];
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function doContains($id)
+    {
+        if (! isset($this->data[$id])) {
+            return false;
+        }
+
+        $expiration = $this->data[$id][1];
+
+        if ($expiration && $expiration < time()) {
+            $this->doDelete($id);
+
+            return false;
+        }
+
+        return true;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function doSave($id, $data, $lifeTime = 0)
+    {
+        $this->data[$id] = [$data, $lifeTime ? time() + $lifeTime : false];
+
+        return true;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function doDelete($id)
+    {
+        unset($this->data[$id]);
+
+        return true;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function doFlush()
+    {
+        $this->data = [];
+
+        return true;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function doGetStats()
+    {
+        return [
+            Cache::STATS_HITS             => $this->hitsCount,
+            Cache::STATS_MISSES           => $this->missesCount,
+            Cache::STATS_UPTIME           => $this->upTime,
+            Cache::STATS_MEMORY_USAGE     => null,
+            Cache::STATS_MEMORY_AVAILABLE => null,
+        ];
+    }
+}