public IDataset2 EmptyCopy()
{
SdeDataset dataset = new SdeDataset();
dataset.ConnectionString = this.ConnectionString;
dataset.Open();
return(dataset);
}
public SdeFeatureClass(SdeDataset dataset, SE_CONNECTION connection, SE_LAYERINFO layerInfo)
{
_dataset = dataset;
byte[] tableName = new byte[CONST.SE_QUALIFIED_TABLE_NAME];
byte[] columnName = new byte[CONST.SE_MAX_COLUMN_LEN];
byte[] shapeColumnName = new byte[CONST.SE_MAX_COLUMN_LEN];
System.Int32 status = Wrapper92.SE_layerinfo_get_spatial_column(layerInfo, tableName, shapeColumnName);
if (status != 0)
{
return;
}
_name = Functions.GetASCIIString(tableName);
//_shapeFildName mit den Felder abfragen, weils sonst oft Probleme mit Groß/Kleinschreibung der Felder gibt...
//_shapeFieldName = Functions.GetASCIIString(shapeColumnName);
SE_ENVELOPE sdeEnvelope = new SE_ENVELOPE();
status = Wrapper92.SE_layerinfo_get_envelope(layerInfo, ref sdeEnvelope);
if (status == 0)
{
_envelope = new Envelope(sdeEnvelope.minx, sdeEnvelope.miny, sdeEnvelope.maxx, sdeEnvelope.maxy);
}
System.Int32 shape_types = 0;
status = Wrapper92.SE_layerinfo_get_shape_types(layerInfo, ref shape_types);
if (status == 0)
{
if ((shape_types & CONST.SE_NIL_TYPE_MASK) != 0)
{
_geomType = geometryType.Unknown;
}
if ((shape_types & CONST.SE_POINT_TYPE_MASK) != 0)
{
_geomType = geometryType.Point;
}
if ((shape_types & CONST.SE_LINE_TYPE_MASK) != 0)
{
_geomType = geometryType.Polyline;
}
if ((shape_types & CONST.SE_SIMPLE_LINE_TYPE_MASK) != 0)
{
_geomType = geometryType.Polyline;
}
if ((shape_types & CONST.SE_AREA_TYPE_MASK) != 0)
{
_geomType = geometryType.Polygon;
}
//if ((shape_types & CONST.SE_UNVERIFIED_SHAPE_MASK) != 0)
//{
// _geomType = geometryType.Unknown;
//}
//if ((shape_types & CONST.SE_MULTIPART_TYPE_MASK) != 0)
//{
// _geomType = geometryType.Aggregate;
//}
}
// IDField
IntPtr regInfo = new IntPtr(0);
status = Wrapper92.SE_reginfo_create(ref regInfo);
if (status == 0)
{
try
{
if (Wrapper92.SE_registration_get_info(connection, _name, regInfo) == 0)
{
byte[] buffer = new byte[CONST.SE_MAX_COLUMN_LEN];
System.Int32 idColType = 0;
if (Wrapper92.SE_reginfo_get_rowid_column(regInfo, buffer, ref idColType) == 0)
{
_idFieldName = Functions.GetASCIIString(buffer);
}
}
}
catch { }
Wrapper92.SE_reginfo_free(regInfo);
}
// Felder auslesen
_fields = new Fields();
IntPtr ptr = new IntPtr(0);
System.Int16 numFields = 0;
status = Wrapper92.SE_table_describe(connection, _name, ref numFields, ref ptr);
if (status == 0)
{
try
{
unsafe
{
byte *columnDefs = (byte *)ptr;
for (int i = 0; i < numFields; i++)
{
SE_COLUMN_DEF colDef = (SE_COLUMN_DEF)Marshal.PtrToStructure((IntPtr)columnDefs, typeof(SE_COLUMN_DEF));
string colName = Functions.GetASCIIString(colDef.column_name);
FieldType colType = FieldType.unknown;
switch (colDef.sde_type)
{
case CONST.SE_SMALLINT_TYPE:
colType = FieldType.smallinteger;
break;
case CONST.SE_INTEGER_TYPE:
colType = FieldType.integer;
break;
case CONST.SE_FLOAT_TYPE:
colType = FieldType.Float;
break;
case CONST.SE_DOUBLE_TYPE:
colType = FieldType.Double;
break;
case CONST.SE_STRING_TYPE:
colType = FieldType.String;
break;
case CONST.SE_NSTRING_TYPE:
colType = FieldType.NString;
break;
case CONST.SE_BLOB_TYPE:
colType = FieldType.binary;
break;
case CONST.SE_DATE_TYPE:
colType = FieldType.Date;
break;
case CONST.SE_SHAPE_TYPE:
colType = FieldType.Shape;
if (String.IsNullOrEmpty(_shapeFieldName))
{
_shapeFieldName = colName;
}
break;
case CONST.SE_RASTER_TYPE:
break;
default:
colType = FieldType.unknown;
break;
}
if (colName == _idFieldName)
{
colType = FieldType.ID;
}
_fields.Add(new Field(colName, colType, (int)colDef.size, (int)colDef.decimal_digits));
columnDefs += Marshal.SizeOf(colDef);
}
}
}
catch (Exception ex)
{
_errMsg = ex.Message;
}
if (String.IsNullOrEmpty(_shapeFieldName)) // nur wenn bei den Felder nix gefunden wurde...
{
_shapeFieldName = Functions.GetASCIIString(shapeColumnName);
}
Wrapper92.SE_table_free_descriptions(ptr);
}
}
public SdeFeatureCursor(SdeDataset dataset, ITableClass tc, IQueryFilter filter)
: base((tc is IFeatureClass) ? ((IFeatureClass)tc).SpatialReference : null,
(filter != null) ? filter.FeatureSpatialReference : null)
{
try
{
if (filter != null && filter.SubFields != "*")
{
filter.AddField(tc.IDFieldName);
}
filter.fieldPrefix = tc.Name + ".";
filter.fieldPostfix = "";
Int32 err_no = 0;
_dataset = dataset;
if (_dataset == null)
{
return;
}
//_connection = _dataset.AllocConnection();
_connection = new ArcSdeConnection(dataset.ConnectionString);
if (!_connection.Open())
{
return;
}
_queryInfo = new SdeQueryInfo(_connection, tc, filter);
if (_queryInfo.ErrorMessage != "")
{
Dispose();
return;
}
//if (Wrapper92.SE_stream_create(_connection.SeConnection, ref _stream) != 0)
//{
// Dispose();
// return;
//}
_connection.ResetStream();
// SE_stream_set_state sollte auch aufgerufen werden (siehe mapsde.c von UMN)
if (Wrapper92.SE_stream_set_state(
_connection.SeStream,
CONST.SE_DEFAULT_STATE_ID,
CONST.SE_DEFAULT_STATE_ID,
CONST.SE_STATE_DIFF_NOCHECK) != 0)
{
Dispose();
return;
}
if ((err_no = Wrapper92.SE_stream_query_with_info(_connection.SeStream, _queryInfo.SeQueryInfo)) != 0)
{
Dispose();
return;
}
if (_queryInfo.IsSpatial)
{
SE_FILTER se_filter = _queryInfo.Filter_Shape;
if ((err_no = Wrapper92.SE_stream_set_spatial_constraints(_connection.SeStream, CONST.SE_SPATIAL_FIRST, false, 1, ref se_filter)) != 0)
{
_errMsg = Wrapper92.GetErrorMsg(_connection.SeConnection, err_no);
Dispose();
return;
}
}
else
{
/*
* SE_FILTER se_filter = _queryInfo.Filter_Id;
* if (Wrapper92.SE_stream_set_spatial_constraints(_stream, CONST.SE_SPATIAL_FIRST, false, 1, ref se_filter) != 0)
* {
* Release();
* return;
* }
* */
}
if (Wrapper92.SE_stream_execute(_connection.SeStream) != 0)
{
Dispose();
return;
}
_queryFields = _queryInfo.QueryFields;
_queryInfo.Dispose();
_queryInfo = null;
}
catch (Exception ex)
{
_errMsg = ex.Message + "\n" + ex.StackTrace;
Dispose();
}
}