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/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* 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
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* 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 Server Side 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 <boost/optional.hpp>
#include <string>
#include "mongo/db/jsobj.h"
#include "mongo/s/database_version.h"
#include "mongo/s/shard_id.h"
namespace mongo {
class Status;
template <typename T>
class StatusWith;
/**
* This class represents the layout and contents of documents contained in the shard server's
* config.databases collection. All manipulation of documents coming from that collection should
* be done with this class.
*
* Expected shard server config.databases collection format:
* {
* "_id" : "foo",
* "version" : {
* "uuid" : UUID
* "lastMod" : 1
* },
* "primary": "shard0000",
* "partitioned": true,
* "enterCriticalSectionCounter" : 4 // optional
* }
*
* enterCriticalSectionCounter is currently just an OpObserver signal, thus otherwise ignored here.
*/
class ShardDatabaseType {
public:
static const BSONField<std::string> name; // "_id"
static const BSONField<DatabaseVersion> version;
static const BSONField<std::string> primary;
static const BSONField<bool> partitioned;
static const BSONField<int> enterCriticalSectionCounter;
ShardDatabaseType(std::string dbName,
DatabaseVersion version,
ShardId primary,
bool partitioned);
/**
* Constructs a new ShardDatabaseType object from BSON. Also does validation of the contents.
*/
static StatusWith<ShardDatabaseType> fromBSON(const BSONObj& source);
/**
* Returns the BSON representation of this shard database type object.
*/
BSONObj toBSON() const;
/**
* Returns a std::string representation of the current internal state.
*/
std::string toString() const;
const std::string& getDbName() const {
return _name;
}
void setDbName(const std::string& dbName);
const DatabaseVersion getDbVersion() const {
return _version;
}
void setDbVersion(DatabaseVersion version);
const ShardId& getPrimary() const {
return _primary;
}
void setPrimary(const ShardId& primary);
bool getPartitioned() const {
return _partitioned;
}
void setPartitioned(bool partitioned);
private:
std::string _name;
DatabaseVersion _version;
ShardId _primary;
bool _partitioned;
};
} // namespace mongo
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