public function __get($name)
 {
     switch ($name) {
         case '_ehriMeta':
             if (!isset($this->_meta)) {
                 $criteria = new Criteria();
                 $this->resource->addPropertysCriteria($criteria);
                 $criteria->add(QubitProperty::NAME, "ehrimeta");
                 if (1 == count($query = QubitProperty::get($criteria))) {
                     $this->_meta = $query[0];
                 } else {
                     $this->_meta = new QubitProperty();
                     $this->_meta->name = "ehrimeta";
                     $this->_meta->value = serialize(array());
                     $this->resource->propertys[] = $this->_meta;
                 }
             }
             return $this->_meta;
         case 'ehriCopyrightIssue':
         case 'ehriScope':
         case 'ehriPriority':
             $meta = unserialize($this->_ehriMeta->value);
             return array_key_exists($name, $meta) ? $meta[$name] : NULL;
         default:
             return parent::__get($name);
     }
 }