예제 #1
0
        public static GdbTable FromObjectClassMsg(
            [NotNull] ObjectClassMsg objectClassMsg,
            [CanBeNull] IWorkspace workspace,
            [CanBeNull] Func <ITable, BackingDataset> createBackingDataset = null)
        {
            esriGeometryType geometryType = (esriGeometryType)objectClassMsg.GeometryType;

            GdbTable result;

            if (geometryType == esriGeometryType.esriGeometryNull)
            {
                result = new GdbTable(objectClassMsg.ClassHandle,
                                      objectClassMsg.Name, objectClassMsg.Alias,
                                      createBackingDataset, workspace);
            }
            else
            {
                result = new GdbFeatureClass(
                    objectClassMsg.ClassHandle,
                    objectClassMsg.Name,
                    (esriGeometryType)objectClassMsg.GeometryType,
                    objectClassMsg.Alias,
                    createBackingDataset, workspace)
                {
                    SpatialReference =
                        ProtobufGeometryUtils.FromSpatialReferenceMsg(
                            objectClassMsg.SpatialReference)
                };
            }

            if (objectClassMsg.Fields == null || objectClassMsg.Fields.Count <= 0)
            {
                return(result);
            }

            foreach (FieldMsg fieldMsg in objectClassMsg.Fields)
            {
                IField field = FieldUtils.CreateField(fieldMsg.Name,
                                                      (esriFieldType)fieldMsg.Type,
                                                      fieldMsg.AliasName);

                if (field.Type == esriFieldType.esriFieldTypeString)
                {
                    ((IFieldEdit)field).Length_2 = fieldMsg.Length;
                }
                else if (field.Type == esriFieldType.esriFieldTypeGeometry)
                {
                    var sr = ProtobufGeometryUtils.FromSpatialReferenceMsg(
                        objectClassMsg.SpatialReference);
                    field = FieldUtils.CreateShapeField(geometryType, sr, 1000, true, false);
                }

                if (result.Fields.FindField(field.Name) < 0)
                {
                    result.AddField(field);
                }
                else
                {
                    _msg.DebugFormat("Field {0} is duplicate or has been added previously",
                                     field.Name);
                }
            }

            return(result);
        }