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// SPDX-License-Identifier: LGPL-3.0-or-later
// Author: Kristian Lytje
#pragma once
#include <data/state/DataStateFwd.h>
#include <vector>
#include <memory>
namespace ausaxs::state {
/**
* @brief A state manager which keeps track of changes in each body.
* This is meant to be used in conjunction with DistanceCalculator, such that it only recalculates what is absolutely necessary.
*/
class StateManager {
public:
StateManager(std::size_t size);
/**
* @brief Mark that all atoms of all bodies were internally modified.
*/
void internally_modified_all();
/**
* @brief Mark that all atoms of all bodies were externally modified.
*/
void externally_modified_all();
/**
* @brief Mark that all atoms of the ith body were internally modified.
*/
void internally_modified(int i);
/**
* @brief Mark that all atoms of the ith body were externally modified.
*/
void externally_modified(int i);
/**
* @brief Mark that the hydration layer was modified.
*/
void modified_hydration_layer();
/**
* @brief Mark that the jth symmetry of the ith body was modified.
*/
void modified_symmetry(int i, int j);
/**
* @brief Reset all marks to false.
* ? The awkard name is to avoid accidental collisions with the reset method of smart pointers.
*/
void reset_to_false();
/**
* @brief Get a pointer to the @a ith probe so it can be dispatched to other classes.
*/
std::shared_ptr<signaller::Signaller> get_probe(int i);
/**
* @brief Set the @a ith probe.
*/
void set_probe(int i, std::shared_ptr<signaller::Signaller> probe);
/**
* @brief Get a pointer to all probes.
*/
std::vector<std::shared_ptr<signaller::Signaller>> get_probes();
/**
* @brief Get a boolean vector which denotes if the external state of a given body was changed.
*/
const std::vector<bool>& get_externally_modified_bodies() const;
std::vector<bool>& get_externally_modified_bodies(); //< @copydoc get_externally_modified_bodies
/**
* @brief Get a boolean vector which denotes if the internal state of a given body was changed.
*/
const std::vector<bool>& get_internally_modified_bodies() const;
std::vector<bool>& get_internally_modified_bodies(); //< @copydoc get_internally_modified_bodies
/**
* @brief Get a boolean vector which denotes if the symmetry of a given body was changed.
*/
const std::vector<std::vector<bool>>& get_symmetry_modified_bodies() const;
std::vector<std::vector<bool>>& get_symmetry_modified_bodies(); //< @copydoc get_symmetry_modified_bodies
/**
* @brief Check if a given body has been marked as modified.
*/
[[nodiscard]] bool is_externally_modified(int i) const;
/**
* @brief Check if a given body has been marked as modified.
*/
[[nodiscard]] bool is_internally_modified(int i) const;
/**
* @brief Returns true if the jth symmetry of the ith body has been modified, false otherwise.
*/
[[nodiscard]] bool is_modified_symmetry(int i, int j) const;
/**
* @brief Returns true if the hydration layer has been modified, false otherwise.
*/
[[nodiscard]] bool is_modified_hydration() const;
/**
* @brief Get the number of bodies being managed.
*/
[[nodiscard]] std::size_t size() const;
private:
std::size_t _size;
std::vector<bool> _externally_modified;
std::vector<bool> _internally_modified;
std::vector<std::vector<bool>> _symmetry_modified;
bool _modified_hydration;
std::vector<std::shared_ptr<signaller::Signaller>> probes;
};
}
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