00001 //------------------------------------------------------------------------------ 00002 // This file is part of the OpenStructure project <www.openstructure.org> 00003 // 00004 // Copyright (C) 2008-2011 by the OpenStructure authors 00005 // 00006 // This library is free software; you can redistribute it and/or modify it under 00007 // the terms of the GNU Lesser General Public License as published by the Free 00008 // Software Foundation; either version 3.0 of the License, or (at your option) 00009 // any later version. 00010 // This library is distributed in the hope that it will be useful, but WITHOUT 00011 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 00012 // FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more 00013 // details. 00014 // 00015 // You should have received a copy of the GNU Lesser General Public License 00016 // along with this library; if not, write to the Free Software Foundation, Inc., 00017 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00018 //------------------------------------------------------------------------------ 00019 #ifndef OST_ENTITY_OBSERVER_HA 00020 #define OST_ENTITY_OBSERVER_HA 00021 00022 #include "entity_observer_fw.hh" 00023 00024 #include <ost/mol/module_config.hh> 00025 00026 namespace ost { namespace mol { 00027 00028 /* 00029 the messages may grow more sophisticated to indicate the nature 00030 of the change, such as coordinate modifications, deletions/additions 00031 of structural elements, updates in the coonectivity, etc 00032 */ 00033 00034 class DLLEXPORT_OST_MOL EntityObserver { 00035 public: 00036 virtual ~EntityObserver(); 00037 // main signal routine 00038 virtual void OnUpdate(); 00039 // called when observed entity is about to go out of scope 00040 virtual void OnDestroy(); 00041 00042 }; 00043 00044 }} // ns 00045 00046 #endif