/// <summary>Получает строковое представление поля _property_name из текущей записи _reader</summary>
/// <param name="_reader"></param>
/// <param name="_property_name"></param>
/// <returns></returns>
internal static string PropertyValueToString(MgFeatureReader _reader, string _property_name)
{
MgPropertyDefinitionCollection prop_defs = _reader.GetClassDefinition().GetProperties();
if (String.IsNullOrEmpty(_property_name) || !prop_defs.Contains(_property_name))
{
return(null);
}
int property_type = _reader.GetPropertyType(_property_name);
if (_reader.IsNull(_property_name))
{
return(null);
}
else if (property_type == MgPropertyType.Boolean)
{
return(_reader.GetBoolean(_property_name).ToString());
}
else if (property_type == MgPropertyType.Byte)
{
return(_reader.GetByte(_property_name).ToString());
}
else if (property_type == MgPropertyType.DateTime)
{
return(_reader.GetDateTime(_property_name).ToString());
}
else if (property_type == MgPropertyType.Double)
{
return(_reader.GetDouble(_property_name).ToString());
}
else if (property_type == MgPropertyType.Int16)
{
return(_reader.GetInt16(_property_name).ToString());
}
else if (property_type == MgPropertyType.Int32)
{
return(_reader.GetInt32(_property_name).ToString());
}
else if (property_type == MgPropertyType.Int64)
{
return(_reader.GetInt64(_property_name).ToString());
}
else if (property_type == MgPropertyType.Single)
{
return(_reader.GetSingle(_property_name).ToString());
}
else if (property_type == MgPropertyType.String)
{
return(_reader.GetString(_property_name));
}
else
{
return(null);
}
} //method
private MgFeature CreateFeatureFromReader(MgFeatureReader reader)
{
var feature = new MgFeature();
var hash = feature.Properties;
for (int i = 0; i < reader.GetPropertyCount(); i++)
{
var pt = reader.GetPropertyType(i);
//Skip un-presentable types
if (pt == MgPropertyType.Null ||
pt == MgPropertyType.Raster ||
pt == MgPropertyType.Blob ||
pt == MgPropertyType.Feature ||
pt == MgPropertyType.Clob)
continue;
string name = reader.GetPropertyName(i);
if (reader.IsNull(i))
{
hash[name] = null;
}
else
{
switch (pt)
{
case MgPropertyType.Boolean:
hash[name] = reader.GetBoolean(i);
break;
case MgPropertyType.Byte:
hash[name] = reader.GetByte(i);
break;
case MgPropertyType.DateTime:
{
var dt = reader.GetDateTime(i);
hash[name] = new DateTime(dt.Year, dt.Month, dt.Day, dt.Hour, dt.Minute, dt.Second, 0);
}
break;
case MgPropertyType.Double:
case MgPropertyType.Decimal:
hash[name] = reader.GetDouble(i);
break;
case MgPropertyType.Int16:
hash[name] = reader.GetInt16(i);
break;
case MgPropertyType.Int32:
hash[name] = reader.GetInt32(i);
break;
case MgPropertyType.Int64:
hash[name] = reader.GetInt64(i);
break;
case MgPropertyType.Single:
hash[name] = reader.GetSingle(i);
break;
case MgPropertyType.String:
hash[name] = reader.GetString(i);
break;
case MgPropertyType.Geometry:
{
MgByteReader agf = reader.GetGeometry(i);
feature.Geometry = _agfRw.Read(agf);
}
break;
}
}
}
return feature;
}
/// <summary>Получает набор свойств MgPropertyCollection из текущей записи _reader в соответствии со списком _listed_prop_defs</summary>
/// <param name="_reader"></param>
/// <param name="_listed_prop_defs"></param>
/// <returns></returns>
internal static MgPropertyCollection GetPropertiesFromReader(MgFeatureReader _reader, MgPropertyDefinitionCollection _listed_prop_defs)
{
MgPropertyCollection result_props = new MgPropertyCollection();
MgPropertyDefinitionCollection reader_prop_defs = _reader.GetClassDefinition().GetProperties();
foreach (MgPropertyDefinition curr_prop_def in _listed_prop_defs)
{
if (!reader_prop_defs.Contains(curr_prop_def.Name) || _reader.IsNull(curr_prop_def.Name))
{
continue;
}
int property_type = _reader.GetPropertyType(curr_prop_def.Name);
if (property_type == MgPropertyType.Blob)
{
result_props.Add(
new MgBlobProperty(curr_prop_def.Name, _reader.GetBLOB(curr_prop_def.Name))
);
}
else if (property_type == MgPropertyType.Boolean)
{
result_props.Add(
new MgBooleanProperty(curr_prop_def.Name, _reader.GetBoolean(curr_prop_def.Name))
);
}
else if (property_type == MgPropertyType.Byte)
{
result_props.Add(
new MgByteProperty(curr_prop_def.Name, _reader.GetByte(curr_prop_def.Name))
);
}
else if (property_type == MgPropertyType.Clob)
{
result_props.Add(
new MgClobProperty(curr_prop_def.Name, _reader.GetCLOB(curr_prop_def.Name))
);
}
else if (property_type == MgPropertyType.DateTime)
{
result_props.Add(
new MgDateTimeProperty(curr_prop_def.Name, _reader.GetDateTime(curr_prop_def.Name))
);
}
else if (property_type == MgPropertyType.Double)
{
result_props.Add(
new MgDoubleProperty(curr_prop_def.Name, _reader.GetDouble(curr_prop_def.Name))
);
}
else if (property_type == MgPropertyType.Feature)
{
result_props.Add(
new MgFeatureProperty(curr_prop_def.Name, _reader.GetFeatureObject(curr_prop_def.Name))
);
}
else if (property_type == MgPropertyType.Geometry)
{
result_props.Add(
new MgGeometryProperty(curr_prop_def.Name, _reader.GetGeometry(curr_prop_def.Name))
);
}
else if (property_type == MgPropertyType.Int16)
{
result_props.Add(
new MgInt16Property(curr_prop_def.Name, _reader.GetInt16(curr_prop_def.Name))
);
}
else if (property_type == MgPropertyType.Int32)
{
result_props.Add(
new MgInt32Property(curr_prop_def.Name, _reader.GetInt32(curr_prop_def.Name))
);
}
else if (property_type == MgPropertyType.Int64)
{
result_props.Add(
new MgInt64Property(curr_prop_def.Name, _reader.GetInt64(curr_prop_def.Name))
);
}
else if (property_type == MgPropertyType.Raster)
{
result_props.Add(
new MgRasterProperty(curr_prop_def.Name, _reader.GetRaster(curr_prop_def.Name))
);
}
else if (property_type == MgPropertyType.Single)
{
result_props.Add(
new MgSingleProperty(curr_prop_def.Name, _reader.GetSingle(curr_prop_def.Name))
);
}
else if (property_type == MgPropertyType.String)
{
result_props.Add(
new MgStringProperty(curr_prop_def.Name, _reader.GetString(curr_prop_def.Name))
);
}
} //foreach
return(result_props);
}
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;
}
}
}
}
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;
}
}
}
}
//---------------------------------------------------------------------------------------
//
// ���ܣ�δ֪��ѯ����е��������ݵ����͵Ĵ������
//
//
// ���ߣ�
//
// ���ڣ� 2007.5.23
//
// ����ʷ����
//
//---------------------------------------------------------------------------------------
public void GetPropertyValue(MgFeatureReader featureReader, int propertyType, string propertyName)
{
switch (propertyType )
{
case MgPropertyType.Null:
break;
case MgPropertyType.Boolean:
bool val1 = featureReader.GetBoolean(propertyName);
break;
case MgPropertyType.Byte:
Byte val2 = featureReader.GetByte(propertyName);
break;
case MgPropertyType.DateTime:
MgDateTime val3 = featureReader.GetDateTime(propertyName);
break;
case MgPropertyType.Single:
float val4 = featureReader.GetSingle(propertyName);
break;
case MgPropertyType.Double:
double val5 = featureReader.GetDouble(propertyName);
break;
case MgPropertyType.Int16:
Int16 val6 = featureReader.GetInt16(propertyName);
break;
case MgPropertyType.Int32:
Int32 val7 = featureReader.GetInt32(propertyName);
break;
case MgPropertyType.Int64:
Int64 val8 = featureReader.GetInt64(propertyName);
break;
case MgPropertyType.String:
string val9 = featureReader.GetString(propertyName);
break;
case MgPropertyType.Blob:
string val10 = propertyName + " ��Blob����";
break;
case MgPropertyType.Clob:
string val11 = propertyName + " ��Clob����";
break;
case MgPropertyType.Feature:
MgFeatureReader val12 = featureReader.GetFeatureObject(propertyName);
break;
case MgPropertyType.Geometry:
MgByteReader va13l = featureReader.GetGeometry(propertyName);
MgAgfReaderWriter agfReader = new MgAgfReaderWriter();
MgGeometry districtGeometry = agfReader.Read(va13l);
break;
case MgPropertyType.Raster:
MgRaster val14 = featureReader.GetRaster(propertyName) ;
break;
default:
string val13 = "δ֪����";
break;
}
}
private MgFeature CreateFeatureFromReader(MgFeatureReader reader)
{
var feature = new MgFeature();
var hash = feature.Properties;
for (int i = 0; i < reader.GetPropertyCount(); i++)
{
var pt = reader.GetPropertyType(i);
//Skip un-presentable types
if (pt == MgPropertyType.Null ||
pt == MgPropertyType.Raster ||
pt == MgPropertyType.Blob ||
pt == MgPropertyType.Feature ||
pt == MgPropertyType.Clob)
{
continue;
}
string name = reader.GetPropertyName(i);
if (reader.IsNull(i))
{
hash[name] = null;
}
else
{
switch (pt)
{
case MgPropertyType.Boolean:
hash[name] = reader.GetBoolean(i);
break;
case MgPropertyType.Byte:
hash[name] = reader.GetByte(i);
break;
case MgPropertyType.DateTime:
{
var dt = reader.GetDateTime(i);
hash[name] = new DateTime(dt.Year, dt.Month, dt.Day, dt.Hour, dt.Minute, dt.Second, 0);
}
break;
case MgPropertyType.Double:
case MgPropertyType.Decimal:
hash[name] = reader.GetDouble(i);
break;
case MgPropertyType.Int16:
hash[name] = reader.GetInt16(i);
break;
case MgPropertyType.Int32:
hash[name] = reader.GetInt32(i);
break;
case MgPropertyType.Int64:
hash[name] = reader.GetInt64(i);
break;
case MgPropertyType.Single:
hash[name] = reader.GetSingle(i);
break;
case MgPropertyType.String:
hash[name] = reader.GetString(i);
break;
case MgPropertyType.Geometry:
{
MgByteReader agf = reader.GetGeometry(i);
feature.Geometry = _agfRw.Read(agf);
}
break;
}
}
}
return(feature);
}