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Alexander Afanasyeva3887ae2014-12-29 16:11:57 -08001/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2/**
Alexander Afanasyev73e30042015-09-17 17:09:51 -07003 * Copyright (c) 2013-2015 Regents of the University of California.
Alexander Afanasyeva3887ae2014-12-29 16:11:57 -08004 *
5 * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
6 *
7 * ndn-cxx library is free software: you can redistribute it and/or modify it under the
8 * terms of the GNU Lesser General Public License as published by the Free Software
9 * Foundation, either version 3 of the License, or (at your option) any later version.
10 *
11 * ndn-cxx library is distributed in the hope that it will be useful, but WITHOUT ANY
12 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
13 * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
14 *
15 * You should have received copies of the GNU General Public License and GNU Lesser
16 * General Public License along with ndn-cxx, e.g., in COPYING.md file. If not, see
17 * <http://www.gnu.org/licenses/>.
18 *
19 * See AUTHORS.md for complete list of ndn-cxx authors and contributors.
20 */
21
22#ifndef NDN_TAG_HPP
23#define NDN_TAG_HPP
24
25namespace ndn {
26
27/**
28 * @brief Base class for interest/data tags that can hold any arbitrary information
29 */
30class Tag
31{
32public:
33 virtual
34 ~Tag() = 0;
35
36 /**
37 * @fn static constexpr int getTypeId()
38 * @return an integer that uniquely identifies this Tag type
39 * @sa http://redmine.named-data.net/projects/ndn-cxx/wiki/PacketTagTypes
40 */
Alexander Afanasyevf2a46222015-09-17 18:01:30 -070041#ifdef DOXYGEN
42 static constexpr int
43 getTypeId()
44 {
45 return <type-identifier>;
46 }
47#endif // DOXYGEN
Alexander Afanasyeva3887ae2014-12-29 16:11:57 -080048};
49
50inline
51Tag::~Tag()
52{
53}
54
55} // namespace ndn
56
57#endif // NDN_TAG_HPP