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Alexander Afanasyev71ed2382012-07-06 11:37:41 -07001/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
2/*
3 * Copyright (c) 2011 University of California, Los Angeles
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation;
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 *
18 * Author: Alexander Afanasyev <alexander.afanasyev@ucla.edu>
19 */
20
21#ifndef EMPTY_POLICY_H_
22#define EMPTY_POLICY_H_
23
Alexander Afanasyev2b4c9472012-08-09 15:00:38 -070024namespace ns3 {
25namespace ndn {
26namespace ndnSIM {
Alexander Afanasyev71ed2382012-07-06 11:37:41 -070027
Alexander Afanasyev30f60e32012-07-10 14:21:16 -070028/**
29 * @brief Traits for empty (bogus) replacement policy
30 */
Alexander Afanasyev71ed2382012-07-06 11:37:41 -070031struct empty_policy_traits
32{
Alexander Afanasyev991a0cc2012-12-10 11:38:19 -080033 /// @brief Name that can be used to identify the policy (for NS-3 object model and logging)
34 static std::string GetName () { return ""; }
35
Alexander Afanasyev78057c32012-07-06 15:18:46 -070036 typedef void* policy_hook_type;
Alexander Afanasyev71ed2382012-07-06 11:37:41 -070037
Alexander Afanasyev78057c32012-07-06 15:18:46 -070038 template<class Container> struct container_hook { typedef void* type; };
Alexander Afanasyev71ed2382012-07-06 11:37:41 -070039
40 template<class Base,
41 class Container,
42 class Hook>
43 struct policy
44 {
Alexander Afanasyev78057c32012-07-06 15:18:46 -070045 struct type
Alexander Afanasyev71ed2382012-07-06 11:37:41 -070046 {
Alexander Afanasyev78057c32012-07-06 15:18:46 -070047 inline type (Base &base) {}
48
49 inline void update (typename Container::iterator) { }
50 inline bool insert (typename Container::iterator) { return true; }
51 inline void lookup (typename Container::iterator item) { }
52 inline void erase (typename Container::iterator item) { }
53 inline void clear () { }
Alexander Afanasyev71ed2382012-07-06 11:37:41 -070054 };
55 };
56};
57
Alexander Afanasyeve77db792012-08-09 11:10:58 -070058} // ndnSIM
Alexander Afanasyev2b4c9472012-08-09 15:00:38 -070059} // ndn
Alexander Afanasyeve77db792012-08-09 11:10:58 -070060} // ns3
Alexander Afanasyev71ed2382012-07-06 11:37:41 -070061
62#endif // EMPTY_POLICY_H_