XCacheCache.inc.php

<?php
 
import('lib.pkp.classes.cache.GenericCache');
 
class XCacheCache extends GenericCache {
   function __construct($context, $cacheId, $fallback) {
      parent::__construct($context, $cacheId, $fallback);
   }
 
   function flush() {
      $prefix = INDEX_FILE_LOCATION . ':' . $this->getContext() . ':' . $this->getCacheId();
      if (function_exists('xcache_unset_by_prefix')) {
         // If possible, just flush the context
         xcache_unset_by_prefix(prefix);
      } else {
         // Otherwise, we need to do this manually
         for ($i = 0; $i < xcache_count(XC_TYPE_VAR); $i++) {
            $cache = xcache_list(XC_TYPE_VAR, $i);
            foreach ($cache['cache_list'] as $entry) {
               if (substr($entry['name'], 0, strlen($prefix)) == $prefix) xcache_unset($entry['name']);
            }
         }
      }
   }
 
   function getCache($id) {
      $key = INDEX_FILE_LOCATION . ':'. $this->getContext() . ':' . $this->getCacheId() . ':' . $id;
      if (!xcache_isset($key)) return $this->cacheMiss;
      $returner = unserialize(xcache_get($key));
      return $returner;
   }
 
   function setCache($id, $value) {
      return (xcache_set(INDEX_FILE_LOCATION . ':' . $this->getContext() . ':' . $this->getCacheId() . ':' . $id, serialize($value)));
   }
 
   function getCacheTime() {
      return null;
   }
 
   function setEntireCache($contents) {
      foreach ($contents as $id => $value) {
         $this->setCache($id, $value);
      }
   }
}