forked from blue/lmdbal
54 lines
1.4 KiB
C++
54 lines
1.4 KiB
C++
// Squawk messenger.
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// Copyright (C) 2019 Yury Gubich <blue@macaw.me>
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#ifndef CORE_DATABASE_SERIALIZER_DOUBLE_HPP
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#define CORE_DATABASE_SERIALIZER_DOUBLE_HPP
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template<>
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class DataBase::Serializer<double>
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{
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public:
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Serializer():value(0) {};
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Serializer(const double& p_value):value(p_value) {};
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~Serializer() {};
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double deserialize(const MDB_val& data) {
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std::memcpy(&value, data.mv_data, 8);
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return value;
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};
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MDB_val setData(const double& data) {
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value = data;
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return getData();
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};
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MDB_val getData() {
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MDB_val result;
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result.mv_data = &value;
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result.mv_size = 8;
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return result;
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};
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void clear() {}; //not possible;
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private:
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double value;
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};
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#endif //CORE_DATABASE_SERIALIZER_DOUBLE_HPP
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