00001 00002 /*************************************************************************** 00003 * interface_observer.h - BlackBoard interface observer 00004 * 00005 * Created: Fri Jan 25 18:19:00 2008 (Just back from Hacking with Fawkes talk) 00006 * Copyright 2007-2008 Tim Niemueller [www.niemueller.de] 00007 * 00008 ****************************************************************************/ 00009 00010 /* This program is free software; you can redistribute it and/or modify 00011 * it under the terms of the GNU General Public License as published by 00012 * the Free Software Foundation; either version 2 of the License, or 00013 * (at your option) any later version. A runtime exception applies to 00014 * this software (see LICENSE.GPL_WRE file mentioned below for details). 00015 * 00016 * This program is distributed in the hope that it will be useful, 00017 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00018 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00019 * GNU Library General Public License for more details. 00020 * 00021 * Read the full text in the LICENSE.GPL_WRE file in the doc directory. 00022 */ 00023 00024 #ifndef __BLACKBOARD_INTERFACE_OBSERVER_H_ 00025 #define __BLACKBOARD_INTERFACE_OBSERVER_H_ 00026 00027 #include <core/utils/lock_map.h> 00028 00029 #include <list> 00030 #include <string> 00031 00032 namespace fawkes { 00033 00034 class BlackBoardInterfaceObserver 00035 { 00036 00037 friend class BlackBoardNotifier; 00038 00039 public: 00040 BlackBoardInterfaceObserver(); 00041 virtual ~BlackBoardInterfaceObserver(); 00042 00043 virtual void bb_interface_created(const char *type, const char *id) throw(); 00044 virtual void bb_interface_destroyed(const char *type, const char *id) throw(); 00045 00046 protected: 00047 void bbio_add_observed_create(const char *type, const char *id_pattern = "*") throw(); 00048 void bbio_add_observed_destroy(const char *type, const char *id_pattern = "*") throw(); 00049 00050 /** Type for lockable interface type hash sets. */ 00051 typedef LockMap<std::string, std::list<std::string> > ObservedInterfaceLockMap; 00052 00053 /** Type for iterator of lockable interface type hash sets. */ 00054 typedef ObservedInterfaceLockMap::iterator ObservedInterfaceLockMapIterator; 00055 00056 ObservedInterfaceLockMap * bbio_get_observed_create() throw(); 00057 ObservedInterfaceLockMap * bbio_get_observed_destroy() throw(); 00058 00059 private: 00060 ObservedInterfaceLockMap __bbio_observed_create; 00061 ObservedInterfaceLockMap __bbio_observed_destroy; 00062 ObservedInterfaceLockMapIterator __bbio_iti; 00063 }; 00064 00065 } // end namespace fawkes 00066 00067 #endif