ESPResSo
Extensible Simulation Package for Research on Soft Matter Systems
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ParamlessObservable.hpp
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1/*
2 * Copyright (C) 2010-2022 The ESPResSo project
3 * Copyright (C) 2002,2003,2004,2005,2006,2007,2008,2009,2010
4 * Max-Planck-Institute for Polymer Research, Theory Group
5 *
6 * This file is part of ESPResSo.
7 *
8 * ESPResSo is free software: you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation, either version 3 of the License, or
11 * (at your option) any later version.
12 *
13 * ESPResSo is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 */
21
22#ifndef SCRIPT_INTERFACE_OBSERVABLES_PARAMLESSOBSERVABLE_HPP
23#define SCRIPT_INTERFACE_OBSERVABLES_PARAMLESSOBSERVABLE_HPP
24
25#include "config/config.hpp"
26
28
29#include "Observable.hpp"
30#ifdef DPD
32#endif
38
39#include <memory>
40
41namespace ScriptInterface {
42namespace Observables {
43
44/** Cython interface for parameter-free observables.
45 * Create new observables with @ref NEW_PARAMLESS_OBSERVABLE.
46 * @tparam CoreObs The core class exposed in Cython by this class.
47 */
48template <class CoreObs>
50public:
51 ParamlessObservableInterface() : m_observable(std::make_shared<CoreObs>()) {}
52
53 std::shared_ptr<::Observables::Observable> observable() const override {
54 return m_observable;
55 }
56
57private:
58 std::shared_ptr<CoreObs> m_observable;
59};
60
61// clang-format off
62#define NEW_PARAMLESS_OBSERVABLE(name) \
63 using name = ParamlessObservableInterface<::Observables::name>; // NOLINT(bugprone-macro-parentheses)
64// clang-format on
69#ifdef DPD
71#endif
72
73} /* namespace Observables */
74} /* namespace ScriptInterface */
75
76#endif
#define NEW_PARAMLESS_OBSERVABLE(name)
Base class for script interfaces to core observables classes.
Cython interface for parameter-free observables.
std::shared_ptr<::Observables::Observable > observable() const override
This file contains the defaults for ESPResSo.
T get_value(Variant const &v)
Extract value of specific type T from a Variant.