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/*
* Copyright (C) 2008 Martin Willi
* Hochschule fuer Technik Rapperswil
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* 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 General Public License
* for more details.
*/
/**
* @defgroup database_factory database_factory
* @{ @ingroup database
*/
#ifndef DATABASE_FACTORY_H_
#define DATABASE_FACTORY_H_
typedef struct database_factory_t database_factory_t;
#include <database/database.h>
/**
* Generic database construction function.
*
* @param uri implementation specific connection URI
*/
typedef database_t*(*database_constructor_t)(char *uri);
/**
* Create instances of database connections using registered constructors.
*/
struct database_factory_t {
/**
* Create a database connection instance.
*
* @param uri implementation specific connection URI
* @return database_t instance, NULL if not supported/failed
*/
database_t* (*create)(database_factory_t *this, char *uri);
/**
* Register a database constructor.
*
* @param create database constructor to register
*/
void (*add_database)(database_factory_t *this, database_constructor_t create);
/**
* Unregister a previously registered database constructor.
*
* @param create database constructor to unregister
*/
void (*remove_database)(database_factory_t *this, database_constructor_t create);
/**
* Destroy a database_factory instance.
*/
void (*destroy)(database_factory_t *this);
};
/**
* Create a database_factory instance.
*/
database_factory_t *database_factory_create();
#endif /** DATABASE_FACTORY_H_ @}*/
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