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// kv_database_catalog_entry.h
/**
* Copyright (C) 2014 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 <map>
#include <string>
#include "mongo/db/catalog/database_catalog_entry.h"
namespace mongo {
class KVCollectionCatalogEntry;
class KVStorageEngine;
class KVDatabaseCatalogEntry : public DatabaseCatalogEntry {
public:
KVDatabaseCatalogEntry( const StringData& db, KVStorageEngine* engine );
virtual ~KVDatabaseCatalogEntry();
virtual bool exists() const;
virtual bool isEmpty() const;
virtual bool hasUserData() const;
virtual int64_t sizeOnDisk( OperationContext* opCtx ) const;
virtual void appendExtraStats( OperationContext* opCtx,
BSONObjBuilder* out,
double scale ) const;
virtual bool isOlderThan24( OperationContext* opCtx ) const { return false; }
virtual void markIndexSafe24AndUp( OperationContext* opCtx ) {}
virtual bool currentFilesCompatible( OperationContext* opCtx ) const;
virtual void getCollectionNamespaces( std::list<std::string>* out ) const;
virtual CollectionCatalogEntry* getCollectionCatalogEntry( const StringData& ns ) const;
virtual RecordStore* getRecordStore( const StringData& ns ) const;
virtual IndexAccessMethod* getIndex( OperationContext* txn,
const CollectionCatalogEntry* collection,
IndexCatalogEntry* index );
virtual Status createCollection( OperationContext* txn,
const StringData& ns,
const CollectionOptions& options,
bool allocateDefaultSpace );
virtual Status renameCollection( OperationContext* txn,
const StringData& fromNS,
const StringData& toNS,
bool stayTemp );
virtual Status dropCollection( OperationContext* opCtx,
const StringData& ns );
// --------------
void initCollection( OperationContext* opCtx,
const std::string& ns,
bool forRepair );
void initCollectionBeforeRepair(OperationContext* opCtx, const std::string& ns);
void reinitCollectionAfterRepair(OperationContext* opCtx, const std::string& ns);
private:
class AddCollectionChange;
class RemoveCollectionChange;
typedef std::map<std::string, KVCollectionCatalogEntry*> CollectionMap;
KVStorageEngine* const _engine; // not owned here
CollectionMap _collections;
};
}
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