typo3/sysext/extbase/Classes/Service/CacheService.php

   1 <?php
   2 /***************************************************************
   3 *  Copyright notice
   4 *
   5 *  (c) 2011 Extbase Team
   6 *  All rights reserved
   7 *
   8 *  This script is part of the TYPO3 project. The TYPO3 project is
   9 *  free software; you can redistribute it and/or modify
  10 *  it under the terms of the GNU General Public License as published by
  11 *  the Free Software Foundation; either version 2 of the License, or
  12 *  (at your option) any later version.
  13 *
  14 *  The GNU General Public License can be found at
  15 *  http://www.gnu.org/copyleft/gpl.html.
  16 *
  17 *  This script is distributed in the hope that it will be useful,
  18 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 *  GNU General Public License for more details.
  21 *
  22 *  This copyright notice MUST APPEAR in all copies of the script!
  23 ***************************************************************/
  24
  25 /**
  26  * Cache clearing helper functions
  27  *
  28  * @package Extbase
  29  * @subpackage Service
  30  */
  31 class Tx_Extbase_Service_CacheService implements t3lib_Singleton {
  32
  33         /**
  34          * Clears the page cache
  35          *
  36          * @param mixed $pageIdsToClear (int) single or (array) multiple pageIds to clear the cache for
  37          * @return void
  38          */
  39         public function clearPageCache($pageIdsToClear = NULL) {
  40                 if ($pageIdsToClear !== NULL && !is_array($pageIdsToClear)) {
  41                         $pageIdsToClear = array(intval($pageIdsToClear));
  42                 }
  43
  44                 $this->flushPageCache($pageIdsToClear);
  45                 $this->flushPageSectionCache($pageIdsToClear);
  46         }
  47
  48         /**
  49          * Flushes cache_pages or cachingframework_cache_pages.
  50          *
  51          * @param array $pageIdsToClear pageIds to clear the cache for
  52          * @return void
  53          */
  54         protected function flushPageCache($pageIds = NULL) {
  55                 $pageCache = $GLOBALS['typo3CacheManager']->getCache('cache_pages');
  56
  57                 if ($pageIds !== NULL) {
  58                         foreach ($pageIds as $pageId) {
  59                                 $pageCache->flushByTag('pageId_' . $pageId);
  60                         }
  61                 } else {
  62                         $pageCache->flush();
  63                 }
  64         }
  65
  66         /**
  67          * Flushes cache_pagesection or cachingframework_cache_pagesection.
  68          *
  69          * @param array $pageIdsToClear pageIds to clear the cache for
  70          * @return void
  71          */
  72         protected function flushPageSectionCache($pageIds = NULL) {
  73                 $pageSectionCache = $GLOBALS['typo3CacheManager']->getCache('cache_pagesection');
  74
  75                 if ($pageIds !== NULL) {
  76                         foreach ($pageIds as $pageId) {
  77                                 $pageSectionCache->flushByTag('pageId_' . $pageId);
  78                         }
  79                 } else {
  80                         $pageSectionCache->flush();
  81                 }
  82         }
  83 }
  84 ?>