/** * Return the next Qualifier. * * @return object Qualifier * * @throws object HierarchyException An exception with one of * the following messages defined in * org.osid.hierarchy.HierarchyException may be thrown: {@link * org.osid.hierarchy.HierarchyException#OPERATION_FAILED * OPERATION_FAILED}, {@link * org.osid.hierarchy.HierarchyException#PERMISSION_DENIED * PERMISSION_DENIED}, {@link * org.osid.hierarchy.HierarchyException#CONFIGURATION_ERROR * CONFIGURATION_ERROR}, {@link * org.osid.hierarchy.HierarchyException#UNIMPLEMENTED * UNIMPLEMENTED}, {@link * org.osid.hierarchy.HierarchyException#NO_MORE_ITERATOR_ELEMENTS * NO_MORE_ITERATOR_ELEMENTS} * * @access public */ function next() { // If this is the first element access, inform our AZ cache that we are // working with this set of nodes so that it can fetch AZs for all of // them at once. if ($this->_i == -1) { $isAuthorizedCache = IsAuthorizedCache::instance(); $isAuthorizedCache->queueAssetArray($this->_elements); } return parent::next(); }
/** * Answer the authorization cache used by this manager. * * WARNING: NOT IN OSID * * @return object IsAuthorizedCache * @access public * @since 4/21/08 */ public function getIsAuthorizedCache() { return IsAuthorizedCache::instance(); }
/** * This class implements the Singleton pattern. There is only ever * one instance of the this class and it is accessed only via the * ClassName::instance() method. * * @return object * @access public * @since 5/26/05 * @static */ public static function instance() { if (!isset(self::$instance)) { self::$instance = new IsAuthorizedCache(); } return self::$instance; }