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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 "mongo/bson/oid.h"
#include "mongo/bson/timestamp.h"
#include "mongo/db/client.h"
#include "mongo/db/repl/optime.h"
namespace mongo {
class BSONObjBuilder;
class Client;
class OperationContext;
namespace repl {
class ReplClientInfo {
public:
static const Client::Decoration<ReplClientInfo> forClient;
void setLastOp(const OpTime& op);
OpTime getLastOp() const {
return _lastOp;
}
// Resets the last op on this client; should only be used in testing.
void clearLastOp_forTest() {
_lastOp = OpTime();
}
/**
* Use this to set the LastOp to the latest known OpTime in the oplog.
* This is necessary when doing no-op writes, as we need to set the client's lastOp to a proper
* value for write concern wait to work.
*/
void setLastOpToSystemLastOpTime(OperationContext* opCtx);
private:
static const long long kUninitializedTerm = -1;
OpTime _lastOp = OpTime();
};
} // namespace repl
} // namespace mongo
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