lmdbal/src/serializer_uint64.hpp

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/*
* LMDB Abstraction Layer.
* Copyright (C) 2023 Yury Gubich <blue@macaw.me>
*
* 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/>.
*/
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#ifndef LMDBAL_SERIALIZER_UINT64_HPP
#define LMDBAL_SERIALIZER_UINT64_HPP
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#include <stdint.h>
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namespace LMDBAL {
template<>
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class Serializer<uint64_t> {
public:
Serializer():value(0) {};
Serializer(const uint64_t& p_value):value(p_value) {};
~Serializer() {};
uint64_t deserialize(const MDB_val& data) {
deserialize(data, value);
return value;
};
void deserialize(const MDB_val& data, uint64_t& result) {
std::memcpy(&result, data.mv_data, 8);
}
MDB_val setData(const uint64_t& data) {
value = data;
return getData();
};
MDB_val getData() {
MDB_val result;
result.mv_data = &value;
result.mv_size = 8;
return result;
};
void clear() {}; //not possible;
private:
uint64_t value;
};
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}
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#endif //LMDBAL_SERIALIZER_UINT64_HPP