123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109 |
- /**
- * @file common/observer/Observer.hpp
- * @author The ARTIS Development Team
- * See the AUTHORS or Authors.txt file
- */
- /*
- * ARTIS - the multimodeling and simulation environment
- * This file is a part of the ARTIS environment
- *
- * Copyright (C) 2013-2021 ULCO http://www.univ-littoral.fr
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
- #ifndef ARTIS_OBSERVER_OBSERVER_HPP
- #define ARTIS_OBSERVER_OBSERVER_HPP
- #include <artis-star/common/Model.hpp>
- #include <artis-star/common/observer/View.hpp>
- #include <vector>
- namespace artis::common::observer {
- template<typename Time>
- class Observer {
- public:
- typedef std::map<std::string, View<Time> *> Views;
- Observer(const common::Model<Time> *model)
- : _step(0), _model(model) {}
- virtual ~Observer() {
- for (typename Views::iterator it = _views.begin(); it != _views.end(); ++it) {
- delete it->second;
- }
- }
- void attachView(const std::string &name, View<Time> *view) {
- _views[name] = view;
- view->attachModel(_model);
- }
- Views *cloneViews() const {
- Views *v = new Views();
- for (typename Views::const_iterator it = _views.begin();
- it != _views.end(); ++it) {
- (*v)[it->first] = it->second->clone();
- }
- return v;
- }
- const View<Time> &view(const std::string &name) const {
- return *_views.find(name)->second;
- }
- const Views &views() const { return _views; }
- void init() {}
- void observe(double t, double next_t) {
- if (_step == 0) {
- observe(t);
- } else {
- double time = std::ceil(t / _step) * _step;
- while (time < next_t) {
- observe(time);
- time += _step;
- }
- }
- }
- void switch_to_timed_observer(double step) {
- assert(step > 0);
- _step = step;
- }
- private:
- void observe(double t) {
- for (typename Views::iterator it = _views.begin(); it != _views.end();
- ++it) {
- it->second->observe(t, _step == 0);
- }
- }
- double _step;
- const common::Model<Time> *_model;
- Views _views;
- };
- }
- #endif
|