00001 /* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */ 00002 /* 00003 * Copyright (c) 2007 INRIA 00004 * 00005 * This program is free software; you can redistribute it and/or modify 00006 * it under the terms of the GNU General Public License version 2 as 00007 * published by the Free Software Foundation; 00008 * 00009 * This program is distributed in the hope that it will be useful, 00010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00012 * GNU General Public License for more details. 00013 * 00014 * You should have received a copy of the GNU General Public License 00015 * along with this program; if not, write to the Free Software 00016 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00017 * 00018 * Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr> 00019 */ 00020 #ifndef HIERARCHICAL_MOBILITY_MODEL_H 00021 #define HIERARCHICAL_MOBILITY_MODEL_H 00022 00023 #include "mobility-model.h" 00024 00025 namespace ns3 { 00026 00027 /** 00028 * \brief a hierachical mobility model. 00029 * 00030 * This model allows you to specify the position of a 00031 * child object relative to a parent object. 00032 */ 00033 class HierarchicalMobilityModel : public MobilityModel 00034 { 00035 public: 00036 static TypeId GetTypeId (void); 00037 00038 HierarchicalMobilityModel (); 00039 00040 /** 00041 * \returns the child mobility model. 00042 * 00043 * This allows you to get access to the position of the child 00044 * relative to its parent. 00045 */ 00046 Ptr<MobilityModel> GetChild (void) const; 00047 /** 00048 * \returns the parent mobility model. 00049 * 00050 * This allows you to get access to the position of the 00051 * parent mobility model which is used as the reference 00052 * position by the child mobility model. 00053 */ 00054 Ptr<MobilityModel> GetParent (void) const; 00055 00056 private: 00057 virtual Vector DoGetPosition (void) const; 00058 virtual void DoSetPosition (const Vector &position); 00059 virtual Vector DoGetVelocity (void) const; 00060 00061 void SetChild (Ptr<MobilityModel> model); 00062 void SetParent (Ptr<MobilityModel> model); 00063 void ParentChanged (Ptr<const MobilityModel> model); 00064 void ChildChanged (Ptr<const MobilityModel> model); 00065 00066 Ptr<MobilityModel> m_child; 00067 Ptr<MobilityModel> m_parent; 00068 }; 00069 00070 00071 } // namespace ns3 00072 00073 #endif /* HIERARCHICAL_MOBILITY_MODEL_H */