public function getFilePath() {
		if ($this->path === null) {
			throw new NoPath('Path to a file was not been specified');
		}
		
		// Absolute path
		if ($this->path[0] === DIRECTORY_SEPARATOR) {
			return $this->path;
		}
		// Relative path
		return $this->getIntrospectiveData()->dirname . DIRECTORY_SEPARATOR . $this->path;
	}