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/**
* Copyright (C) 2013 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/disallow_copying.h"
#include "mongo/db/jsobj.h"
#include "mongo/s/bson_serializable.h"
#include "mongo/s/chunk_version.h"
namespace mongo {
class BatchedRequestMetadata : public BSONSerializable {
MONGO_DISALLOW_COPYING(BatchedRequestMetadata);
public:
static const BSONField<std::string> shardName;
static const BSONField<ChunkVersion> shardVersion;
static const BSONField<long long> session;
BatchedRequestMetadata();
virtual ~BatchedRequestMetadata();
//
// bson serializable interface implementation
//
virtual bool isValid(std::string* errMsg) const;
virtual BSONObj toBSON() const;
virtual bool parseBSON(const BSONObj& source, std::string* errMsg);
virtual void clear();
virtual std::string toString() const;
void cloneTo(BatchedRequestMetadata* other) const;
//
// individual field accessors
//
void setShardName(StringData shardName);
void unsetShardName();
bool isShardNameSet() const;
const std::string& getShardName() const;
void setShardVersion(const ChunkVersion& shardVersion);
void unsetShardVersion();
bool isShardVersionSet() const;
const ChunkVersion& getShardVersion() const;
void setSession(long long session);
void unsetSession();
bool isSessionSet() const;
long long getSession() const;
private:
// (O) shard name we're sending this batch to
std::string _shardName;
bool _isShardNameSet;
// (O) version for this collection on a given shard
std::unique_ptr<ChunkVersion> _shardVersion;
// (O) session number the inserts belong to
long long _session;
bool _isSessionSet;
};
}
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