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/**
* Copyright (C) 2012-2015 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 <boost/optional.hpp>
#include <string>
#include "mongo/db/jsobj.h"
#include "mongo/db/namespace_string.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.tags
* collection. All manipulation of documents coming from that collection should be done with
* this class.
*/
class TagsType {
public:
// Name of the tags collection in the config server.
static const NamespaceString ConfigNS;
// Field names and types in the tags collection type.
static const BSONField<std::string> ns;
static const BSONField<std::string> tag;
static const BSONField<BSONObj> min;
static const BSONField<BSONObj> max;
/**
* Constructs a new DatabaseType object from BSON. Validates that all required fields are
* present.
*/
static StatusWith<TagsType> 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 NamespaceString& getNS() const {
return _ns.get();
}
void setNS(const NamespaceString& ns);
const std::string& getTag() const {
return _tag.get();
}
void setTag(const std::string& tag);
const BSONObj& getMinKey() const {
return _minKey.get();
}
void setMinKey(const BSONObj& minKey);
const BSONObj& getMaxKey() const {
return _maxKey.get();
}
void setMaxKey(const BSONObj& maxKey);
private:
// Required namespace to which this tag belongs
boost::optional<NamespaceString> _ns;
// Required tag name
boost::optional<std::string> _tag;
// Required first key of the tag (inclusive)
boost::optional<BSONObj> _minKey;
// Required last key of the tag (not-inclusive)
boost::optional<BSONObj> _maxKey;
};
} // namespace mongo
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