public function getModelClass() {
		if ($this->model === null) {
			$introspection = $this->getIntrospectiveData();

			$modelBase = $introspection->name . self::MODEL_POSTFIX;
			$modelPath = $introspection->dirname . DIRECTORY_SEPARATOR .
						 $modelBase . '.' . $introspection->extension;

			$this->model = (is_file($modelPath))
				? $introspection->namespace . '\\' . $modelBase
				: self::MODEL_DEFAULT;
		}

		return $this->model;
	}