74 lines
2.0 KiB
C
74 lines
2.0 KiB
C
/*
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* Copyright (C) 2008 Martin Willi
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* HSR Hochschule fuer Technik Rapperswil
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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/**
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* @defgroup database_factory database_factory
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* @{ @ingroup database
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*/
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#ifndef DATABASE_FACTORY_H_
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#define DATABASE_FACTORY_H_
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typedef struct database_factory_t database_factory_t;
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#include <database/database.h>
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/**
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* Generic database construction function.
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*
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* @param uri implementation specific connection URI
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*/
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typedef database_t*(*database_constructor_t)(char *uri);
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/**
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* Create instances of database connections using registered constructors.
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*/
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struct database_factory_t {
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/**
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* Create a database connection instance.
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*
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* @param uri implementation specific connection URI
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* @return database_t instance, NULL if not supported/failed
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*/
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database_t* (*create)(database_factory_t *this, char *uri);
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/**
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* Register a database constructor.
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*
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* @param create database constructor to register
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*/
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void (*add_database)(database_factory_t *this, database_constructor_t create);
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/**
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* Unregister a previously registered database constructor.
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*
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* @param create database constructor to unregister
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*/
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void (*remove_database)(database_factory_t *this, database_constructor_t create);
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/**
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* Destroy a database_factory instance.
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*/
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void (*destroy)(database_factory_t *this);
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};
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/**
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* Create a database_factory instance.
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*/
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database_factory_t *database_factory_create();
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#endif /** DATABASE_FACTORY_H_ @}*/
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