git_bsmd/AIS/bsmd.AIS2Service/AIS_Target.cs

using System;
using System.Data;

namespace bsmd.AIS2Service
{
    public class AIS_Target
    {

        #region private members
        
        private readonly int _mmsi;
        private bool? _isClassB = false;
        private DateTime? _lastUpdate;
        private string _name;
        private string _callSign;
        private double? _latitude;
        private double? _longitude;
        private int? _heading;
        private double? _cog;
        private int? _rot;
        private double? _sog;
        private bool? _accuracy;
        private int? _maneuverIndicator;
        private bool? _raim;
        private int? _radio;
        private int? _imo;
        private int? _shipType;
        private int? _aisVersion;
        private int? _breadth;
        private int? _length;
        private int? _typeOfDevice;
        private DateTime? _eta;
        private double? _draught;
        private string _destination;
        private bool? _dte;

        private AIS_Target.Type _type = Type.OTHER;
        private int _navStatus = 15; // not defined

        #endregion

        #region public defs
       
        public enum Type
        {
            PASSENGER,
            CARGO,
            TANKER,
            HSC,
            WIG,
            TUG,
            YACHT,
            OTHER
        }       

        #endregion

        #region Construction

        public AIS_Target(int mmsi)
        {
            this._mmsi = mmsi;
        }

        #endregion

        #region Properties                

        public int MMSI
        {
            get { return this._mmsi; }
        }

        public DateTime? LastUpdate
        {
            get { return this._lastUpdate; } private set { this._lastUpdate = value; } 
        }

        public string Name
        {
            get { return this._name; }
            private set { this._name = value; }
        }

        public string Callsign
        {
            get { return this._callSign; }
            private set { this._callSign = value; }
        }        

        public double? Latitude
        {
            get { return this._latitude; } private set { this._latitude = value; }            
        }

        public double? Longitude
        {
            get { return this._longitude; } private set { this._longitude = value; }
        }

        public Type TargetType
        {
            get { return this._type; }
            set { this._type = value; }
        }

        public int NavStatus
        {
            get { return this._navStatus; } private set { this._navStatus = value; }
        }        

        public bool? IsClassB
        {
            get { return this._isClassB; }
            private set { this._isClassB = value; }
        }

        public int? Heading
        {
            get { return _heading; } private set { _heading = value; }            
        }

        public double? COG
        {
            get { return _cog; } private set { _cog = value; }                
        }        

        public int? ROT
        {
            get { return _rot; } private set { _rot = value; }
        }

        public double? SOG
        {
            get { return _sog; } private set { _sog = value; }
        }

        public bool? Accuracy
        {
            get { return _accuracy; } private set { _accuracy = value; }
        }

        public int? ManeuverIndicator
        {
            get { return _maneuverIndicator; } private set { _maneuverIndicator = value; }
        }

        public bool? RAIM
        {
            get { return _raim; } private set { _raim = value; }
        }

        public int? Radio
        {
            get { return _radio; } private set { _radio = value; }
        }

        public int? AISVersion
        {
            get { return _aisVersion; } private set { _aisVersion = value; }
        }

        public int? IMO
        {
            get { return _imo; } private set { _imo = value; }
        }

        public int? ShipType
        {
            get { return _shipType; } private set { _shipType = value; }
        }

        public int? Breadth
        {
            get { return _breadth; } private set { _breadth = value; }
        }

        public int? Length
        {
            get { return _length; } private set { _length = value; }
        }

        public int? TypeOfDevice
        {
            get { return _typeOfDevice; } private set { _typeOfDevice = value; }
        }

        public DateTime? ETA
        {
            get { return _eta; } private set { _eta = value; }
        }

        public double? Draught
        {
            get { return _draught; } private set { _draught = value; }
        }

        public string Destination
        {
            get { return _destination; } private set { _destination = value; }
        }

        public bool? DTE
        {
            get { return _dte; } private set { _dte = value; }
        }

        public int UpdateCount { get; private set; }

        #endregion

        #region public methods       

        internal void Update(AIS_PosReport posReport)
        {
            this.NavStatus = posReport.NavStatusVal;
            this.ROT = posReport.ROT;
            this.SOG = posReport.SOG;
            this.Accuracy = (posReport.Accuracy == 1);
            this.Latitude = posReport.Latitude;
            this.Longitude = posReport.Longitude;
            this.COG = posReport.COG;
            this.Heading = posReport.TrueHeading;
            this.ManeuverIndicator = posReport.ManeuverIndicator;
            this.RAIM = posReport.Raim == 1;
            this.Radio = posReport.CommState;

            this.LastUpdate = DateTime.Now;
        }

        internal void Update(AIS_StaticData staticData)
        {
            this.AISVersion = staticData.Version;
            this.IMO = staticData.IMONumber;
            this.Callsign = staticData.Callsign;
            this.Name = staticData.Name;
            this.ShipType = staticData.ShipType;
            this.Breadth = staticData.Breadth;
            this.Length = staticData.Length;
            this.TypeOfDevice = staticData.TypeOfDevice;
            this.ETA = staticData.ETA;
            this.Draught = staticData.Draught;
            this.Destination = staticData.Destination;
            this.DTE = staticData.DTE == 0;
            this.IsClassB = false;            

            this.LastUpdate = DateTime.Now;
        }      

        internal static AIS_Target CreateFromReader(IDataReader reader)
        {
            int mmsi = reader.GetInt32(0);
            AIS_Target result = new AIS_Target(mmsi);
            if (!reader.IsDBNull(1))
                result.AISVersion = reader.GetInt32(1);
            if (!reader.IsDBNull(2))
                result.IMO = reader.GetInt32(2);
            if (!reader.IsDBNull(3))
                result.Callsign = reader.GetString(3);
            if (!reader.IsDBNull(4))
                result.Name = reader.GetString(4);
            if (!reader.IsDBNull(5))
                result.ShipType = reader.GetInt32(5);
            if (!reader.IsDBNull(6))
                result.TypeOfDevice = reader.GetInt32(6);
            if (!reader.IsDBNull(7))
                result.Draught = reader.GetInt32(7) / 10.0;
            if (!reader.IsDBNull(8))
                result.Destination = reader.GetString(8);
            if (!reader.IsDBNull(9))
                result.DTE = reader.GetBoolean(9);
            if (!reader.IsDBNull(10))
                result.IsClassB = reader.GetBoolean(10);
            if (!reader.IsDBNull(11))
                result.Breadth = reader.GetInt32(11);
            if (!reader.IsDBNull(12))
                result.Length = reader.GetInt32(12);
            if (!reader.IsDBNull(13))
                result.ETA = DateTime.Parse(reader.GetString(13));
            if (!reader.IsDBNull(14))
                result.LastUpdate = DateTime.Parse(reader.GetString(14));
            result.UpdateCount = reader.GetInt32(15);
            

            

            return result;
        }

        #endregion

        #region overrides

        public override string ToString()
        {
            return string.Format("{0} [{1}]", this.Name, this.MMSI);
        }

        #endregion

    }
}