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/**
* Copyright (C) 2017 MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the GNU Affero General Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#pragma once
#include "mongo/db/logical_time.h"
#include "mongo/db/time_proof_service.h"
#include <string>
namespace mongo {
/**
* The SignedLogicalTime class is a pair of value i.e. time and a signature i.e. _proof
* The class is immutable and is used to hold the cryptogrphically protected LogicalTime.
*/
class SignedLogicalTime {
public:
using TimeProof = TimeProofService::TimeProof;
explicit SignedLogicalTime(LogicalTime time, TimeProof proof)
: _time(std::move(time)), _proof(std::move(proof)) {}
LogicalTime getTime() const {
return _time;
}
const TimeProof& getProof() const {
return _proof;
}
std::string toString() const;
private:
LogicalTime _time;
TimeProof _proof;
};
} // namespace mongo
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