class.ilCachedCtrl.php

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<?php

class ilCachedCtrl {

        protected $changed = false;
        protected static $instance;
        protected $loaded = false;
        protected $module_classes = array();
        protected $service_classes = array();
        protected $ctrl_calls = array();
        protected $ctrl_classfile = array();
        protected $ctrl_classfile_parent = array();


        public static function getInstance() {
                if (!isset(self::$instance)) {
                        $global_cache = ilGlobalCache::getInstance(ilGlobalCache::COMP_ILCTRL);
                        $cached_obj = $global_cache->get('ilCachedCtrl');
                        if ($cached_obj instanceof ilCachedCtrl) {
                                self::$instance = $cached_obj;
                        } else {
                                self::$instance = new self();
                                $global_cache->set('ilCachedCtrl', self::$instance);
                        }
                }

                return self::$instance;
        }


        public static function flush() {
                ilGlobalCache::getInstance(ilGlobalCache::COMP_ILCTRL)->flush();
                self::$instance = NULL;
        }


        public function isActive() {
                return ilGlobalCache::getInstance(ilGlobalCache::COMP_ILCTRL)->isActive();
        }


        protected function __construct() {
                $this->global_cache = ilGlobalCache::getInstance(ilGlobalCache::COMP_ILCTRL);
                $this->readFromDB();
        }


        public function __destruct() {
                if ($this->changed) {
                        $this->global_cache->set('ilCachedCtrl', $this);
                }
        }


        protected function readFromDB() {
                global $ilDB;
                $set = $ilDB->query('SELECT module_class.*, LOWER(module_class.class) lower_class FROM module_class');
                while ($rec = $ilDB->fetchAssoc($set)) {
                        $this->module_classes[$rec['lower_class']] = $rec;
                }
                $set = $ilDB->query('SELECT service_class.*, LOWER(service_class.class) lower_class FROM service_class');
                while ($rec = $ilDB->fetchAssoc($set)) {
                        $this->service_classes[$rec['lower_class']] = $rec;
                }
                $set = $ilDB->query('SELECT * FROM ctrl_calls');
                while ($rec = $ilDB->fetchAssoc($set)) {
                        $this->ctrl_calls[$rec['parent']][] = $rec;
                }
                $set = $ilDB->query('SELECT * FROM ctrl_classfile');
                while ($rec = $ilDB->fetchAssoc($set)) {
                        $this->ctrl_classfile[$rec['cid']] = $rec;
                        $this->ctrl_classfile_parent[$rec['class']] = $rec;
                }
        }


        public function lookupModuleClass($class) {
                return $this->module_classes[$class];
        }


        public function lookupServiceClass($class) {
                return $this->service_classes[$class];
        }


        public function lookupCid($cid) {
                return $this->ctrl_classfile[$cid];
        }


        public function lookupCall($parent) {
                if (is_array($this->ctrl_calls[$parent])) {
                        return $this->ctrl_calls[$parent];
                } else {
                        return array();
                }
        }


        public function lookupClassFile($class) {
                return $this->ctrl_classfile_parent[$class];
        }


        public function getLoaded() {
                return $this->loaded;
        }


        public function setLoaded($loaded) {
                $this->loaded = $loaded;
        }


        public function setCtrlCalls($ctrl_calls) {
                $this->ctrl_calls = $ctrl_calls;
        }


        public function getCtrlCalls() {
                return $this->ctrl_calls;
        }


        public function setCtrlClassfile($ctrl_classfile) {
                $this->ctrl_classfile = $ctrl_classfile;
        }


        public function getCtrlClassfile() {
                return $this->ctrl_classfile;
        }


        public function setModuleClasses($module_classes) {
                $this->module_classes = $module_classes;
        }


        public function getModuleClasses() {
                return $this->module_classes;
        }


        public function setServiceClasses($service_classes) {
                $this->service_classes = $service_classes;
        }


        public function getServiceClasses() {
                return $this->service_classes;
        }


        public function setCtrlClassfileParent($ctrl_classfile_parent) {
                $this->ctrl_classfile_parent = $ctrl_classfile_parent;
        }


        public function getCtrlClassfileParent() {
                return $this->ctrl_classfile_parent;
        }
}

?>