MediaWiki 1.30.2

[autoinstallsdev/mediawiki.git] / includes / libs / objectcache / WinCacheBagOStuff.php

diff --git a/includes/libs/objectcache/WinCacheBagOStuff.php b/includes/libs/objectcache/WinCacheBagOStuff.php
new file mode 100644 (file)
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+++ b/includes/libs/objectcache/WinCacheBagOStuff.php
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+<?php
+/**
+ * Object caching using WinCache.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ * @ingroup Cache
+ */
+
+/**
+ * Wrapper for WinCache object caching functions; identical interface
+ * to the APC wrapper
+ *
+ * @ingroup Cache
+ */
+class WinCacheBagOStuff extends BagOStuff {
+       protected function doGet( $key, $flags = 0 ) {
+               $val = wincache_ucache_get( $key );
+               if ( is_string( $val ) ) {
+                       $val = unserialize( $val );
+               }
+
+               return $val;
+       }
+
+       public function set( $key, $value, $expire = 0, $flags = 0 ) {
+               $result = wincache_ucache_set( $key, serialize( $value ), $expire );
+
+               /* wincache_ucache_set returns an empty array on success if $value
+                * was an array, bool otherwise */
+               return ( is_array( $result ) && $result === [] ) || $result;
+       }
+
+       public function delete( $key ) {
+               wincache_ucache_delete( $key );
+
+               return true;
+       }
+
+       public function merge( $key, callable $callback, $exptime = 0, $attempts = 10, $flags = 0 ) {
+               if ( wincache_lock( $key ) ) { // optimize with FIFO lock
+                       $ok = $this->mergeViaLock( $key, $callback, $exptime, $attempts, $flags );
+                       wincache_unlock( $key );
+               } else {
+                       $ok = false;
+               }
+
+               return $ok;
+       }
+}