blt-gp/include/blt/gp/sync.h

89 lines
2.2 KiB
C++

#pragma once
/*
* Copyright (C) 2024 Brett Terpstra
*
* 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 <https://www.gnu.org/licenses/>.
*/
#ifndef BLT_GP_SYNC_H
#define BLT_GP_SYNC_H
#include <blt/std/types.h>
#include <blt/gp/fwdecl.h>
namespace blt::gp
{
class sync_t
{
public:
explicit sync_t(gp_program& program, fs::writer_t& writer);
virtual void trigger(u64 current_time) const;
sync_t& with_timer(u64 seconds)
{
m_timer_seconds = seconds;
return *this;
}
sync_t& every_generations(u64 generations)
{
m_generations = generations;
return *this;
}
sync_t& overwrite_file_on_write()
{
m_reset_to_start_of_file = true;
return *this;
}
sync_t& append_to_file_on_write()
{
m_reset_to_start_of_file = false;
return *this;
}
/**
* Save the state of the whole program instead of just the generation information.
*/
sync_t& whole_program()
{
m_whole_program = true;
return *this;
}
/**
* Only save the current generation to disk.
*/
sync_t& generation_only()
{
m_whole_program = false;
return *this;
}
~sync_t();
private:
gp_program* m_program;
fs::writer_t* m_writer;
std::optional<u64> m_timer_seconds;
std::optional<u64> m_generations;
bool m_reset_to_start_of_file = false;
bool m_whole_program = false;
};
}
#endif //BLT_GP_SYNC_H