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// match_details.h
/**
* Copyright (C) 2013 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 <memory>
#include <string>
namespace mongo {
/** Reports information about a match request. */
class MatchDetails {
public:
MatchDetails();
void resetOutput();
// for debugging only
std::string toString() const;
// relating to whether or not we had to load the full record
void setLoadedRecord(bool loadedRecord) {
_loadedRecord = loadedRecord;
}
bool hasLoadedRecord() const {
return _loadedRecord;
}
// this name is wrong
bool needRecord() const {
return _elemMatchKeyRequested;
}
// if we need to store the offset into an array where we found the match
/** Request that an elemMatchKey be recorded. */
void requestElemMatchKey() {
_elemMatchKeyRequested = true;
}
bool hasElemMatchKey() const;
std::string elemMatchKey() const;
void setElemMatchKey(const std::string& elemMatchKey);
private:
bool _loadedRecord;
bool _elemMatchKeyRequested;
std::unique_ptr<std::string> _elemMatchKey;
};
}
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