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aka_event_handler_manager.hh
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/**
* @file aka_event_handler_manager.hh
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Thu Aug 23 2012
* @date last modification: Mon Jun 02 2014
*
* @brief Base of Event Handler classes
*
* @section LICENSE
*
* Copyright (©) 2010-2012, 2014 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* Akantu is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* Akantu is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Akantu. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#ifndef __AKANTU_AKA_EVENT_HANDLER_MANAGER_HH__
#define __AKANTU_AKA_EVENT_HANDLER_MANAGER_HH__
/* -------------------------------------------------------------------------- */
#include "aka_common.hh"
/* -------------------------------------------------------------------------- */
#include <set>
/* -------------------------------------------------------------------------- */
__BEGIN_AKANTU__
template<class EventHandler>
class EventHandlerManager {
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
virtual ~EventHandlerManager() {};
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public:
/// register a new EventHandler to the Manager. The register object
/// will then be informed about the events the manager observes.
void registerEventHandler(EventHandler & event_handler) {
event_handlers.insert(&event_handler);
}
/// unregister a EventHandler object. This object will not be
/// notified anymore about the events this manager observes.
void unregisterEventHandler(EventHandler & event_handler) {
event_handlers.erase(&event_handler);
}
/// Notify all the registered EventHandlers about the event that just occured.
template<class Event>
void sendEvent(const Event & event) {
typename std::set<EventHandler *>::iterator it = event_handlers.begin();
typename std::set<EventHandler *>::iterator end = event_handlers.end();
for(;it != end; ++it)
(*it)->sendEvent(event);
}
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
public:
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
private:
/// list of the event handlers
std::set<EventHandler *> event_handlers;
};
__END_AKANTU__
#endif /* __AKANTU_AKA_EVENT_HANDLER_MANAGER_HH__ */

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