Ejemplo n.º 1
0
        //Argument to this function should be changed
        //into the SQLResults object returned from
        //runQuery above (and used in fQR above)

        /// <summary>
        /// A public method allowing the Track Model and external modules to format
        /// database queries into coherent RouteInfo objects
        /// </summary>
        /// <param name="rr">A SQLiteDataReader object provided by the runQuery method in the DBManager</param>
        /// <returns>A valid RouteInfo object, or null in the case of a database error.</returns>
        public RouteInfo formatRouteQueryResults(SQLiteDataReader rr)
        {
            if (rr == null)
            {
                return(null);
            }
            //Temp list used to store blocks, since we dont know
            //ahead of time how many to expect
            var blockList = new List <Block>();
            int nBlocks   = 0;

            //We need to get our list of blocks, and the number of blocks
            int    bIDFinal = -1, locXFinal = -1, locYFinal = -1;
            double sEFinal = -1.0, gradeFinal = -0.0, bSizeFinal = -1.0;
            int    dest1Final = -1, dest2Final = -1, prevFinal = -1;
            int    trackCirIDFinal = -1;
            int    speedLimitFinal = -1;

            while (rr.Read())
            {
                //Get all fields for a given block
                bIDFinal = rr.GetInt32(rr.GetOrdinal("blockID"));
                string line  = rr.GetString(rr.GetOrdinal("line"));
                string infra = rr.GetString(rr.GetOrdinal("infra"));
                string dir   = rr.GetString(rr.GetOrdinal("dir"));
                string state = rr.GetString(rr.GetOrdinal("state"));
                sEFinal         = rr.GetDouble(rr.GetOrdinal("starting_elev"));
                gradeFinal      = rr.GetDouble(rr.GetOrdinal("grade"));
                bSizeFinal      = rr.GetDouble(rr.GetOrdinal("bSize"));
                trackCirIDFinal = rr.GetInt32(rr.GetOrdinal("trackCirID"));
                speedLimitFinal = rr.GetInt32(rr.GetOrdinal("speedLimit"));
                locXFinal       = rr.GetInt32(rr.GetOrdinal("locX"));
                locYFinal       = rr.GetInt32(rr.GetOrdinal("locY"));

                prevFinal  = rr.GetInt32(rr.GetOrdinal("prev"));
                dest1Final = rr.GetInt32(rr.GetOrdinal("dest1"));
                dest2Final = rr.GetInt32(rr.GetOrdinal("dest2"));

                //////////////////////////////////////////////////////////////////////
                //Parse fields that must be provided as a different type
                string[] infraFinal = infra.Split(';');
                var      dirFinal   = (DirEnum)Enum.Parse(typeof(DirEnum), dir, true);
                var      stateFinal = (StateEnum)Enum.Parse(typeof(StateEnum), state, true);

                var locFinal = new int[2];
                locFinal[0] = locXFinal;
                locFinal[1] = locYFinal;

                blockList.Add(new Block(bIDFinal, stateFinal, prevFinal, sEFinal, gradeFinal, locFinal, bSizeFinal,
                                        dirFinal, infraFinal, dest1Final, dest2Final, trackCirIDFinal, line, speedLimitFinal));
                nBlocks++;
            }

            //If we didnt find any blocks, give up.
            if (nBlocks == 0)
            {
                //if (_dbCon.State != ConnectionState.Closed)
                //  _dbCon.Close();
                return(null);
            }


            Block[] blocks = blockList.ToArray();
            string  rName  = blocks[0].Line;
            int     rID;

            if (rName.Equals("Red", StringComparison.OrdinalIgnoreCase))
            {
                rID = 0;
            }
            else
            {
                rID = 1;
            }


            //All routes start and end at the yard
            int sID = 0;
            int eID = 0;

            var tempRoute = new RouteInfo(rID, rName, nBlocks, blocks, sID, eID);

            //if (_dbCon.State != ConnectionState.Closed)
            //  _dbCon.Close();
            return(tempRoute);
        }
Ejemplo n.º 2
0
        //Argument to this function should be changed
        //into the SQLResults object returned from
        //runQuery above (and used in fQR above)
        /// <summary>
        /// A public method allowing the Track Model and external modules to format 
        /// database queries into coherent RouteInfo objects
        /// </summary>
        /// <param name="rr">A SQLiteDataReader object provided by the runQuery method in the DBManager</param>
        /// <returns>A valid RouteInfo object, or null in the case of a database error.</returns>
        public RouteInfo formatRouteQueryResults(SQLiteDataReader rr)
        {
            if (rr == null)
                return null;
            //Temp list used to store blocks, since we dont know
            //ahead of time how many to expect
            var blockList = new List<Block>();
            int nBlocks = 0;

            //We need to get our list of blocks, and the number of blocks
            int bIDFinal = -1, locXFinal = -1, locYFinal = -1;
            double sEFinal = -1.0, gradeFinal = -0.0, bSizeFinal = -1.0;
            int dest1Final = -1, dest2Final = -1, prevFinal = -1;
            int trackCirIDFinal = -1;
            int speedLimitFinal =-1;
            while (rr.Read())
            {
                //Get all fields for a given block
                bIDFinal = rr.GetInt32(rr.GetOrdinal("blockID"));
                string line = rr.GetString(rr.GetOrdinal("line"));
                string infra = rr.GetString(rr.GetOrdinal("infra"));
                string dir = rr.GetString(rr.GetOrdinal("dir"));
                string state = rr.GetString(rr.GetOrdinal("state"));
                sEFinal = rr.GetDouble(rr.GetOrdinal("starting_elev"));
                gradeFinal = rr.GetDouble(rr.GetOrdinal("grade"));
                bSizeFinal = rr.GetDouble(rr.GetOrdinal("bSize"));
                trackCirIDFinal = rr.GetInt32(rr.GetOrdinal("trackCirID"));
                speedLimitFinal = rr.GetInt32(rr.GetOrdinal("speedLimit"));
                locXFinal = rr.GetInt32(rr.GetOrdinal("locX"));
                locYFinal = rr.GetInt32(rr.GetOrdinal("locY"));

                prevFinal = rr.GetInt32(rr.GetOrdinal("prev"));
                dest1Final = rr.GetInt32(rr.GetOrdinal("dest1"));
                dest2Final = rr.GetInt32(rr.GetOrdinal("dest2"));

                //////////////////////////////////////////////////////////////////////
                //Parse fields that must be provided as a different type
                string[] infraFinal = infra.Split(';');
                var dirFinal = (DirEnum) Enum.Parse(typeof (DirEnum), dir, true);
                var stateFinal = (StateEnum) Enum.Parse(typeof (StateEnum), state, true);

                var locFinal = new int[2];
                locFinal[0] = locXFinal;
                locFinal[1] = locYFinal;

                blockList.Add(new Block(bIDFinal, stateFinal, prevFinal, sEFinal, gradeFinal, locFinal, bSizeFinal,
                                        dirFinal, infraFinal, dest1Final, dest2Final, trackCirIDFinal, line,speedLimitFinal));
                nBlocks++;
            }

            //If we didnt find any blocks, give up.
            if (nBlocks == 0)
            {
                //if (_dbCon.State != ConnectionState.Closed)
                  //  _dbCon.Close();
                return null;
            }

            Block[] blocks = blockList.ToArray();
            string rName = blocks[0].Line;
            int rID;
            if (rName.Equals("Red", StringComparison.OrdinalIgnoreCase))
                rID = 0;
            else
                rID = 1;

            //All routes start and end at the yard
            int sID = 0;
            int eID = 0;

            var tempRoute = new RouteInfo(rID, rName, nBlocks, blocks, sID, eID);
            //if (_dbCon.State != ConnectionState.Closed)
              //  _dbCon.Close();
            return tempRoute;
        }