public IDatasetElement this[string title]
{
get
{
SE_LAYERINFO_64 layerInfo = new SE_LAYERINFO_64();
try
{
SdeFeatureClass fc = null;
//SdeConnection connection = _sConnection.AllocConnection();
using (ArcSdeConnection connection = new ArcSdeConnection(_connStr))
{
if (connection.Open())
{
if (Wrapper92_64.SE_layerinfo_create(new SE_COORDREF_64(), ref layerInfo) != 0)
{
return(null);
}
if (Wrapper92_64.SE_layer_get_info(connection.SeConnection, title, "", layerInfo) != 0)
{
return(null);
}
fc = new SdeFeatureClass(this, connection.SeConnection, layerInfo);
}
connection.Close();
}
//_sConnection.FreeConnection();
return(new DatasetElement(fc));
}
finally
{
if (layerInfo.handle != 0)
{
Wrapper92_64.SE_layerinfo_free(layerInfo);
}
}
}
}
public SdeFeatureClass(SdeDataset dataset, SE_CONNECTION_64 connection, SE_LAYERINFO_64 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.Int64 status = Wrapper92_64.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_64.SE_layerinfo_get_envelope(layerInfo, ref sdeEnvelope);
if (status == 0)
{
_envelope = new Envelope(sdeEnvelope.minx, sdeEnvelope.miny, sdeEnvelope.maxx, sdeEnvelope.maxy);
}
System.Int64 shape_types = 0;
status = Wrapper92_64.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_64.SE_reginfo_create(ref regInfo);
if (status == 0)
{
try
{
if (Wrapper92_64.SE_registration_get_info(connection, _name, regInfo) == 0)
{
byte[] buffer = new byte[CONST.SE_MAX_COLUMN_LEN];
System.Int64 idColType = 0;
if (Wrapper92_64.SE_reginfo_get_rowid_column(regInfo, buffer, ref idColType) == 0)
{
_idFieldName = Functions.GetASCIIString(buffer);
}
}
}
catch { }
Wrapper92_64.SE_reginfo_free(regInfo);
}
// Felder auslesen
_fields = new Fields();
IntPtr ptr = new IntPtr(0);
System.Int16 numFields = 0;
status = Wrapper92_64.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_64 colDef = (SE_COLUMN_DEF_64)Marshal.PtrToStructure((IntPtr)columnDefs, typeof(SE_COLUMN_DEF_64));
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_64.SE_table_free_descriptions(ptr);
}
}
/*
* internal SdeConnection AllocConnection()
* {
* if (_sConnection == null) return null;
* return _current = _sConnection.AllocConnection();
* }
*
* internal void FreeConnection()
* {
* if (_sConnection == null) return;
* _current = null;
* _sConnection.FreeConnection();
* }
*/
internal SE_COORDREF_64 GetSeCoordRef(ArcSdeConnection connection, string table, string spatialColumnName, ref SE_ENVELOPE envelope)
{
_errMsg = "";
if (connection == null || connection.SeConnection.handle == 0)
{
_errMsg = "GetSeCoordRef:\n No Connection allocated!";
return(new SE_COORDREF_64());
}
SE_COORDREF_64 coordRef = new SE_COORDREF_64();
SE_LAYERINFO_64 layerInfo = new SE_LAYERINFO_64();
Int64 _err_no = 0;
try
{
_err_no = Wrapper92_64.SE_coordref_create(ref coordRef);
if (_err_no != 0)
{
return(new SE_COORDREF_64());
}
_err_no = Wrapper92_64.SE_layerinfo_create(coordRef, ref layerInfo);
if (_err_no != 0)
{
return(new SE_COORDREF_64());
}
_err_no = Wrapper92_64.SE_layer_get_info(connection.SeConnection, table, spatialColumnName, layerInfo);
if (_err_no != 0)
{
return(new SE_COORDREF_64());
}
_err_no = Wrapper92_64.SE_layerinfo_get_coordref(layerInfo, coordRef);
if (_err_no != 0)
{
return(new SE_COORDREF_64());
}
_err_no = Wrapper92_64.SE_coordref_get_xy_envelope(coordRef, ref envelope);
if (_err_no != 0)
{
return(new SE_COORDREF_64());
}
return(coordRef);
}
catch (Exception ex)
{
_errMsg = "GetSeCoordRef:\n " + ex.Message + "\n" + ex.StackTrace;
return(new SE_COORDREF_64());
}
finally
{
if (layerInfo.handle != 0)
{
Wrapper92_64.SE_layerinfo_free(layerInfo);
}
if (_err_no != 0)
{
if (coordRef.handle != 0)
{
Wrapper92_64.SE_coordref_free(coordRef);
}
_errMsg = Wrapper92_64.GetErrorMsg(new SE_CONNECTION_64(), _err_no);
}
}
}
