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/**
* Copyright (C) 2018 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.
*/
#include <map>
#include "mongo/db/operation_context.h"
namespace mongo {
namespace catalog {
using MinVisibleTimestamp = Timestamp;
using MinVisibleTimestampMap = std::map<UUID, MinVisibleTimestamp>;
/**
* Closes the catalog, destroying all associated in-memory data structures for all databases. After
* a call to this function, it is illegal to access the catalog before calling openCatalog().
*
* Must be called with the global lock acquired in exclusive mode.
*/
MinVisibleTimestampMap closeCatalog(OperationContext* opCtx);
/**
* Restores the catalog and all in-memory state after a call to closeCatalog().
*
* Must be called with the global lock acquired in exclusive mode.
*/
void openCatalog(OperationContext* opCtx, const MinVisibleTimestampMap& catalogState);
} // namespace catalog
} // namespace mongo
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