class.ilGlobalCacheQueryWrapper.php

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<?php
require_once('./Services/GlobalCache/classes/class.ilGlobalCache.php');
 
class ilGlobalCacheQueryWrapper {
 
        const FETCH_TYPE_ASSOC = 1;
        const FETCH_TYPE_OBJECT = 2;
        const MODE_SINGLE = 1;
        const MODE_MULTIPLE = 2;
        protected $query = '';
        protected $cache_key = '';
        protected $fetch_type = self::FETCH_TYPE_OBJECT;
        protected $mode = self::MODE_SINGLE;
 
 
        public function __construct($cache_key, $query, $fetch_type = self::FETCH_TYPE_OBJECT, $mode = self::MODE_SINGLE) {
                $this->cache_key = $cache_key;
                $this->fetch_type = $fetch_type;
                $this->mode = $mode;
                $this->query = $query;
        }
 
 
        public function get() {
                $ilGlobalCache = ilGlobalCache::getInstance();
                if ($ilGlobalCache->isActive()) {
                        $rec = $ilGlobalCache->get($this->cache_key);
                        if (! $rec) {
                                $rec = $this->getFromDb();
                                $ilGlobalCache->set($this->cache_key, $rec, 600);
                        }
                } else {
                        $rec = $this->getFromDb();
                }
 
                return $rec;
        }
 
 
        protected function getFromDb() {
                global $ilDB;
                $return = array();
                $res = $ilDB->query($this->query);
                switch ($this->getFetchType()) {
                        case self::FETCH_TYPE_OBJECT:
                                while ($rec = $ilDB->fetchObject($res)) {
                                        $return[] = $rec;
                                }
                                break;
                        case self::FETCH_TYPE_ASSOC:
                                while ($rec = $ilDB->fetchAssoc($res)) {
                                        $return[] = $rec;
                                }
                                break;
                }
 
                if ($this->getMode() == self::MODE_SINGLE) {
                        return $return[0];
                } else {
                        return $return;
                }
        }
 
 
        public function setFetchType($fetch_type) {
                $this->fetch_type = $fetch_type;
        }
 
 
        public function getFetchType() {
                return $this->fetch_type;
        }
 
 
        public function setMode($mode) {
                $this->mode = $mode;
        }
 
 
        public function getMode() {
                return $this->mode;
        }
}
 
?>