Beispiel #1
0
 public LocalNativeFeatureReader(MgFeatureReader reader)
 {
     _reader              = reader;
     _mgReader            = new FixedWKTReader();
     _agfRw               = new MgAgfReaderWriter();
     _wktRw               = new MgWktReaderWriter();
     base.ClassDefinition = Utility.ConvertClassDefinition(reader.GetClassDefinition());
     base.FieldCount      = reader.GetPropertyCount();
 }
        public LocalNativeFeature(MgFeatureReader reader, FixedWKTReader mgReader, MgAgfReaderWriter agfRw, MgWktReaderWriter wktRw)
            : base(Utility.ConvertClassDefinition(reader.GetClassDefinition()))
        {
            for (int i = 0; i < reader.GetPropertyCount(); i++)
            {
                string name = _ordinalMap[i];
                GetByteReaderMethod getblob = () => { return(reader.GetBLOB(name)); };
                GetByteReaderMethod getclob = () => { return(reader.GetCLOB(name)); };
                GetByteReaderMethod getgeom = () => { return(reader.GetGeometry(name)); };
                if (!reader.IsNull(name))
                {
                    var pt = (PropertyValueType)reader.GetPropertyType(name);
                    switch (pt)
                    {
                    case PropertyValueType.Blob:
                        ((BlobValue)_values[name]).Value = Utility.StreamAsArray(new MgReadOnlyStream(getblob));
                        break;

                    case PropertyValueType.Boolean:
                        ((BooleanValue)_values[name]).Value = reader.GetBoolean(name);
                        break;

                    case PropertyValueType.Byte:
                        ((ByteValue)_values[name]).Value = reader.GetByte(name);
                        break;

                    case PropertyValueType.Clob:
                        byte[] b = Utility.StreamAsArray(new MgReadOnlyStream(getclob));
                        ((ClobValue)_values[name]).Value = Encoding.UTF8.GetChars(b);
                        break;

                    case PropertyValueType.DateTime:
                        ((DateTimeValue)_values[name]).Value = Utility.ConvertMgDateTime(reader.GetDateTime(name));
                        break;

                    case PropertyValueType.Double:
                        ((DoubleValue)_values[name]).Value = reader.GetDouble(name);
                        break;

                    case PropertyValueType.Feature:
                        ((FeatureValue)_values[name]).Value = GetFeatureArray(reader, name);
                        break;

                    case PropertyValueType.Geometry:
                        //TODO: See if SWIG issues come into play here
                        try
                        {
                            //TODO: See if SWIG issues come into play here
                            var geom = agfRw.Read(reader.GetGeometry(name));
                            var wkt  = wktRw.Write(geom);
                            ((GeometryValue)_values[name]).Value = mgReader.Read(wkt);
                        }
                        catch     //Invalid geometry fail!
                        {
                            ((GeometryValue)_values[name]).SetNull();
                        }
                        break;

                    case PropertyValueType.Int16:
                        ((Int16Value)_values[name]).Value = reader.GetInt16(name);
                        break;

                    case PropertyValueType.Int32:
                        ((Int32Value)_values[name]).Value = reader.GetInt32(name);
                        break;

                    case PropertyValueType.Int64:
                        ((Int64Value)_values[name]).Value = reader.GetInt64(name);
                        break;

                    case PropertyValueType.Single:
                        ((SingleValue)_values[name]).Value = reader.GetSingle(name);
                        break;

                    case PropertyValueType.String:
                        ((StringValue)_values[name]).Value = reader.GetString(name);
                        break;
                    }
                }
            }
        }