private void bgGridLoader_DoWork(object sender, DoWorkEventArgs e)
{
var reader = (MgReader)e.Argument;
var wktRw = new MgWktReaderWriter();
var agfRw = new MgAgfReaderWriter();
var cls = _layer.GetClassDefinition();
var idProps = cls.GetIdentityProperties();
var idNames = new List <string>();
for (int i = 0; i < idProps.Count; i++)
{
var prop = idProps.GetItem(i);
idNames.Add(prop.Name);
}
_identityProps = idNames.ToArray();
var propNames = new List <string>();
int propCount = reader.GetPropertyCount();
//.net 2.0 compatibility hack for set-like behaviour
var skipProps = new Dictionary <int, int>();
for (int i = 0; i < propCount; i++)
{
var pt = reader.GetPropertyType(i);
if (pt == MgPropertyType.Blob ||
pt == MgPropertyType.Clob ||
pt == MgPropertyType.Feature ||
pt == MgPropertyType.Null ||
pt == MgPropertyType.Raster)
{
skipProps[i] = i;
}
else
{
var name = reader.GetPropertyName(i);
_propMap.Add(name, pt);
propNames.Add(name);
}
}
try
{
bgGridLoader.ReportProgress(-1, new InitGridAction()
{
ColumnNames = propNames.ToArray()
});
int read = 0;
while (reader.ReadNext())
{
object[] values = new object[propCount];
for (int i = 0; i < propCount; i++)
{
if (skipProps.ContainsKey(i))
{
continue;
}
if (reader.IsNull(i))
{
values[i] = null;
}
else
{
switch (reader.GetPropertyType(i))
{
case MgPropertyType.Boolean:
values[i] = reader.GetBoolean(i);
break;
case MgPropertyType.Byte:
values[i] = reader.GetByte(i);
break;
case MgPropertyType.DateTime:
values[i] = ToClrDateTime(reader.GetDateTime(i));
break;
case MgPropertyType.Decimal:
case MgPropertyType.Double:
values[i] = reader.GetDouble(i);
break;
case MgPropertyType.Geometry:
{
try
{
var agf = reader.GetGeometry(i);
var geom = agfRw.Read(agf);
var env = geom.Envelope();
var envLL = env.LowerLeftCoordinate;
var envUR = env.UpperRightCoordinate;
var wkt = wktRw.Write(geom);
values[i] = new BoxedGeometry()
{
Text = wkt,
GeomBounds = new Bounds()
{
LowerX = envLL.X,
LowerY = envLL.Y,
UpperX = envUR.X,
UpperY = envUR.Y
}
};
}
catch
{
values[i] = null;
}
}
break;
case MgPropertyType.Int16:
values[i] = reader.GetInt16(i);
break;
case MgPropertyType.Int32:
values[i] = reader.GetInt32(i);
break;
case MgPropertyType.Int64:
values[i] = reader.GetInt64(i);
break;
case MgPropertyType.Single:
values[i] = reader.GetSingle(i);
break;
case MgPropertyType.String:
values[i] = reader.GetString(i);
break;
}
}
}
bgGridLoader.ReportProgress(-1, new AddRow()
{
Values = values
});
read++;
if ((_limit > 0 && read >= _limit))
{
break;
}
}
}
finally
{
reader.Close();
wktRw.Dispose();
agfRw.Dispose();
wktRw = null;
agfRw = null;
}
}
private void bgGridLoader_DoWork(object sender, DoWorkEventArgs e)
{
var reader = (MgReader)e.Argument;
var wktRw = new MgWktReaderWriter();
var agfRw = new MgAgfReaderWriter();
var cls = _layer.GetClassDefinition();
var idProps = cls.GetIdentityProperties();
var idNames = new List<string>();
for (int i = 0; i < idProps.Count; i++)
{
var prop = idProps.GetItem(i);
idNames.Add(prop.Name);
}
_identityProps = idNames.ToArray();
var propNames = new List<string>();
int propCount = reader.GetPropertyCount();
//.net 2.0 compatibility hack for set-like behaviour
var skipProps = new Dictionary<int, int>();
for (int i = 0; i < propCount; i++)
{
var pt = reader.GetPropertyType(i);
if (pt == MgPropertyType.Blob ||
pt == MgPropertyType.Clob ||
pt == MgPropertyType.Feature ||
pt == MgPropertyType.Null ||
pt == MgPropertyType.Raster)
{
skipProps[i] = i;
}
else
{
var name = reader.GetPropertyName(i);
_propMap.Add(name, pt);
propNames.Add(name);
}
}
try
{
bgGridLoader.ReportProgress(-1, new InitGridAction() { ColumnNames = propNames.ToArray() });
int read = 0;
while (reader.ReadNext())
{
object[] values = new object[propCount];
for (int i = 0; i < propCount; i++)
{
if (skipProps.ContainsKey(i))
continue;
if (reader.IsNull(i))
{
values[i] = null;
}
else
{
switch (reader.GetPropertyType(i))
{
case MgPropertyType.Boolean:
values[i] = reader.GetBoolean(i);
break;
case MgPropertyType.Byte:
values[i] = reader.GetByte(i);
break;
case MgPropertyType.DateTime:
values[i] = ToClrDateTime(reader.GetDateTime(i));
break;
case MgPropertyType.Decimal:
case MgPropertyType.Double:
values[i] = reader.GetDouble(i);
break;
case MgPropertyType.Geometry:
{
try
{
var agf = reader.GetGeometry(i);
var geom = agfRw.Read(agf);
var env = geom.Envelope();
var envLL = env.LowerLeftCoordinate;
var envUR = env.UpperRightCoordinate;
var wkt = wktRw.Write(geom);
values[i] = new BoxedGeometry()
{
Text = wkt,
GeomBounds = new Bounds()
{
LowerX = envLL.X,
LowerY = envLL.Y,
UpperX = envUR.X,
UpperY = envUR.Y
}
};
}
catch
{
values[i] = null;
}
}
break;
case MgPropertyType.Int16:
values[i] = reader.GetInt16(i);
break;
case MgPropertyType.Int32:
values[i] = reader.GetInt32(i);
break;
case MgPropertyType.Int64:
values[i] = reader.GetInt64(i);
break;
case MgPropertyType.Single:
values[i] = reader.GetSingle(i);
break;
case MgPropertyType.String :
values[i] = reader.GetString(i);
break;
}
}
}
bgGridLoader.ReportProgress(-1, new AddRow() { Values = values });
read++;
if ((_limit > 0 && read >= _limit))
break;
}
}
finally
{
reader.Close();
wktRw.Dispose();
agfRw.Dispose();
wktRw = null;
agfRw = null;
}
}
