public LocalNativeFeatureReader(MgFeatureReader reader)
{
_reader = reader;
_mgReader = new FixedWKTReader();
_agfRw = new MgAgfReaderWriter();
_wktRw = new MgWktReaderWriter();
base.ClassDefinition = Utility.ConvertClassDefinition(reader.GetClassDefinition());
base.FieldCount = reader.GetPropertyCount();
}
public LocalNativeFeatureReader(MgFeatureReader reader)
{
_reader = reader;
_mgReader = new FixedWKTReader();
_agfRw = new MgAgfReaderWriter();
_wktRw = new MgWktReaderWriter();
base.ClassDefinition = Utility.ConvertClassDefinition(reader.GetClassDefinition());
base.FieldCount = reader.GetPropertyCount();
}
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;
}
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�GetPropertyType()������GetPropertyName()������ʹ��
//
// ���ߣ�
//
// ���ڣ� 2007.5.23
//
// ����ʷ����
//
//---------------------------------------------------------------------------------------
public void OutputReader(MgFeatureReader featureReader)
{
while (featureReader.ReadNext())
{
int propCount = featureReader.GetPropertyCount();
for (int j = 0; j < propCount; j++)
{
string propertyName = featureReader.GetPropertyName(j);
bool boolVal = featureReader.IsNull(propertyName);
if (boolVal)
{
continue;
}
//MgPropertyType propertyType = (MgPropertyType)featureReader.GetPropertyType(propertyName);
int proType = featureReader.GetPropertyType(propertyName);
GetPropertyValue(featureReader, proType, propertyName);
}
}
}
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);
}
