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/**
* Copyright (C) 2015 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 <string>
#include "mongo/base/status.h"
#include "mongo/util/time_support.h"
namespace mongo {
class BSONObjBuilder;
namespace repl {
class ReadConcernResponse {
public:
static const std::string kWaitedMSFieldName;
/**
* Constructs a default response that has OK status, and wait is false.
*/
ReadConcernResponse();
/**
* Constructs a response with the given status with wait equals to false.
*/
explicit ReadConcernResponse(Status status);
/**
* Constructs a response with wait set to true along with the given parameters.
*/
ReadConcernResponse(Status status, Milliseconds duration);
/**
* Appends to the builder the timeout and duration info if didWait() is true.
* Note: does not include status.
*/
void appendInfo(BSONObjBuilder* builder);
bool didWait() const;
/**
* Returns the duration waited for the ReadConcern to be satisfied.
* Returns 0 if didWait is false.
*/
Milliseconds getDuration() const;
/**
* Returns more details about an error if it occurred.
*/
Status getStatus() const;
private:
ReadConcernResponse(Status status, Milliseconds duration, bool waited);
bool _waited;
Milliseconds _duration = Milliseconds(0);
Status _status;
};
} // namespace repl
} // namespace mongo
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