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/**
* Copyright (C) 2012 10gen 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 <boost/optional.hpp>
#include <string>
#include "mongo/db/jsobj.h"
#include "mongo/db/namespace_string.h"
#include "mongo/s/database_version_gen.h"
#include "mongo/s/shard_id.h"
namespace mongo {
class BSONObj;
class Status;
template <typename T>
class StatusWith;
/**
* This class represents the layout and contents of documents contained in the config.databases
* collection. All manipulation of documents coming from that collection should be done with
* this class.
*/
class DatabaseType {
public:
DatabaseType(const std::string& dbName,
const ShardId& primaryShard,
bool sharded,
DatabaseVersion);
#ifdef _WIN32
// TODO: Remove this when Microsoft's implementation of std::future doesn't require a default
// constructor.
// This type should not normally have a default constructor, however Microsoft's implementation
// of future requires one in violation of the standard so we're providing one only for Windows.
DatabaseType() = default;
#endif
// Name of the databases collection in the config server.
static const NamespaceString ConfigNS;
static const BSONField<std::string> name;
static const BSONField<std::string> primary;
static const BSONField<bool> sharded;
static const BSONField<BSONObj> version;
/**
* Constructs a new DatabaseType object from BSON. Also does validation of the contents.
*/
static StatusWith<DatabaseType> fromBSON(const BSONObj& source);
/**
* Returns OK if all fields have been set. Otherwise returns NoSuchKey and information
* about what is the first field which is missing.
*/
Status validate() const;
/**
* Returns the BSON representation of the entry.
*/
BSONObj toBSON() const;
/**
* Returns a std::string representation of the current internal state.
*/
std::string toString() const;
const std::string& getName() const {
return _name;
}
void setName(const std::string& name);
const ShardId& getPrimary() const {
return _primary;
}
void setPrimary(const ShardId& primary);
bool getSharded() const {
return _sharded;
}
void setSharded(bool sharded);
DatabaseVersion getVersion() const {
return _version;
}
void setVersion(const DatabaseVersion& version);
private:
std::string _name;
ShardId _primary;
bool _sharded;
DatabaseVersion _version;
};
} // namespace mongo
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