diff --git a/include/transport/SQLite3Backend.h b/include/transport/SQLite3Backend.h
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index 0000000000000000000000000000000000000000..7e0dba53f37d848263bf591ca4f7a509b3cd8ea6
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+++ b/include/transport/SQLite3Backend.h
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+/**
+ * libtransport -- C++ library for easy XMPP Transports development
+ *
+ * Copyright (C) 2011, Jan Kaluza <hanzz.k@gmail.com>
+ *
+ * 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.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
+ */
+
+#pragma once
+
+#ifdef WITH_SQLITE
+
+#include <string>
+#include <map>
+#include "transport/StorageBackend.h"
+#include "sqlite3.h"
+
+namespace Transport {
+
+class Config;
+
+/// Used to store transport data into SQLite3 database.
+class SQLite3Backend : public StorageBackend
+{
+	public:
+		/// Creates new SQLite3Backend instance.
+		/// \param config cofiguration, this class uses following Config values:
+		/// 	- database.database - path to SQLite3 database file, database file is created automatically
+		/// 	- service.prefix - prefix for tables created by createDatabase method
+		SQLite3Backend(Config *config);
+
+		/// Destructor.
+		~SQLite3Backend();
+
+		/// Connects to the database and creates it if it's needed. This method call createDatabase() function
+		/// automatically.
+		/// \return true if database is opened successfully.
+		bool connect();
+
+		/// Creates database structure.
+		/// \see connect()
+		/// \return true if database structure has been created successfully. Note that it returns True also if database structure
+		/// already exists.
+		bool createDatabase();
+
+		/// Stores user into database.
+		/// \param user user struct containing all information about user which have to be stored
+		void setUser(const UserInfo &user);
+
+		/// Gets user data from database and stores them into user reference.
+		/// \param barejid barejid of user
+		/// \param user UserInfo object where user data will be stored
+		/// \return true if user has been found in database
+		bool getUser(const std::string &barejid, UserInfo &user);
+
+		/// Changes users online state variable in database.
+		/// \param id id of user - UserInfo.id
+		/// \param online online state
+		void setUserOnline(long id, bool online);
+
+		bool getOnlineUsers(std::vector<std::string> &users);
+
+		/// Removes user and all connected data from database.
+		/// \param id id of user - UserInfo.id
+		/// \return true if user has been found in database and removed
+		bool removeUser(long id);
+
+		/// Returns JIDs of all buddies in user's roster.
+		/// \param id id of user - UserInfo.id
+		/// \param roster string list used to store user's roster
+		/// \return true if user has been found in database and roster has been fetched
+		bool getBuddies(long id, std::list<BuddyInfo> &roster);
+
+		long addBuddy(long userId, const BuddyInfo &buddyInfo);
+
+		void updateBuddy(long userId, const BuddyInfo &buddyInfo);
+		void removeBuddy(long id);
+
+		void getBuddySetting(long userId, long buddyId, const std::string &variable, int &type, std::string &value);
+		void updateBuddySetting(long userId, long buddyId, const std::string &variable, int type, const std::string &value);
+
+		void getUserSetting(long userId, const std::string &variable, int &type, std::string &value);
+		void updateUserSetting(long userId, const std::string &variable, const std::string &value);
+
+		void beginTransaction();
+		void commitTransaction();
+
+	private:
+		bool exec(const std::string &query);
+
+		sqlite3 *m_db;
+		Config *m_config;
+		std::string m_prefix;
+
+		// statements
+		sqlite3_stmt *m_setUser;
+		sqlite3_stmt *m_getUser;
+		sqlite3_stmt *m_getUserSetting;
+		sqlite3_stmt *m_setUserSetting;
+		sqlite3_stmt *m_updateUserSetting;
+		sqlite3_stmt *m_removeUser;
+		sqlite3_stmt *m_removeUserBuddies;
+		sqlite3_stmt *m_removeUserSettings;
+		sqlite3_stmt *m_removeUserBuddiesSettings;
+		sqlite3_stmt *m_removeBuddy;
+		sqlite3_stmt *m_removeBuddySettings;
+		sqlite3_stmt *m_addBuddy;
+		sqlite3_stmt *m_updateBuddy;
+		sqlite3_stmt *m_updateBuddySetting;
+		sqlite3_stmt *m_getBuddySetting;
+		sqlite3_stmt *m_getBuddies;
+		sqlite3_stmt *m_getBuddiesSettings;
+		sqlite3_stmt *m_setUserOnline;
+		sqlite3_stmt *m_getOnlineUsers;
+};
+
+}
+
+#endif