databaseTransactionInterface.hpp

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/*
 * Copyright (c) 2014 Patrick P. Frey
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */
#ifndef _STRUS_DATABASE_TRANSACTION_INTERFACE_HPP_INCLUDED
#define _STRUS_DATABASE_TRANSACTION_INTERFACE_HPP_INCLUDED
#include <cstddef>

namespace strus
{
class DatabaseCursorInterface;
class DatabaseOptions;

class DatabaseTransactionInterface
{
public:
        virtual ~DatabaseTransactionInterface(){}

        virtual DatabaseCursorInterface* createCursor( const DatabaseOptions& options) const=0;

        virtual void write(
                        const char* key,
                        std::size_t keysize,
                        const char* value,
                        std::size_t valuesize)=0;

        virtual void remove(
                        const char* key,
                        std::size_t keysize)=0;

        virtual void removeSubTree(
                        const char* domainkey,
                        std::size_t domainkeysize)=0;

        virtual bool commit()=0;

        virtual void rollback()=0;
};

}//namespace
#endif