internal DbGeometry(DbSpatialServices spatialServices, object spatialProviderValue)
{
Contract.Requires(spatialServices != null);
Contract.Requires(spatialProviderValue != null);
_spatialProvider = spatialServices;
_providerValue = spatialProviderValue;
}
internal DbGeography(DbSpatialServices spatialServices, object spatialProviderValue)
{
DebugCheck.NotNull(spatialServices);
DebugCheck.NotNull(spatialProviderValue);
_spatialProvider = spatialServices;
_providerValue = spatialProviderValue;
}
internal SqlSpatialDataReader(DbSpatialServices spatialServices, SqlDataReaderWrapper underlyingReader)
{
_spatialServices = spatialServices;
_reader = underlyingReader;
var fieldCount = _reader.FieldCount;
_geographyColumns = new bool[fieldCount];
_geometryColumns = new bool[fieldCount];
for (var i = 0; i < _reader.FieldCount; i++)
{
var fieldTypeName = _reader.GetDataTypeName(i);
// Use EndsWith so that we just see the schema and type name, not the database name.
if (fieldTypeName.EndsWith(GeographySqlType, StringComparison.Ordinal))
{
_geographyColumns[i] = true;
}
else if (fieldTypeName.EndsWith(GeometrySqlType, StringComparison.Ordinal))
{
_geometryColumns[i] = true;
}
}
}
/// <summary>
/// This method is intended for use by derived implementations of
/// <see
/// cref="M:System.Data.Entity.Spatial.DbSpatialServices.GeographyFromProviderValue(System.Object)" />
/// after suitable validation of the specified provider value to ensure it is suitable for use with the derived implementation.
/// </summary>
/// <returns>
/// A new <see cref="T:System.Data.Entity.Spatial.DbGeography" /> instance that contains the specified providerValue and uses the specified spatialServices as its spatial implementation.
/// </returns>
/// <param name="spatialServices">
/// The spatial services instance that the returned <see cref="T:System.Data.Entity.Spatial.DbGeography" /> value will depend on for its implementation of spatial functionality.
/// </param>
/// <param name="providerValue">The provider value.</param>
protected static DbGeography CreateGeography(DbSpatialServices spatialServices, object providerValue)
{
Check.NotNull(spatialServices, "spatialServices");
Check.NotNull(providerValue, "providerValue");
return new DbGeography(spatialServices, providerValue);
}
/// <summary>
/// This method is intended for use by derived implementations of <see cref="GeometryFromProviderValue"/> after suitable validation of the specified provider value to ensure it is suitable for use with the derived implementation.
/// </summary>
/// <param name="spatialServices">The spatial services instance that the returned <see cref="DbGeometry"/> value will depend on for its implementation of spatial functionality.</param>
/// <param name="providerValue"></param>
/// <returns>A new <see cref="DbGeometry"/> instance that contains the specified <paramref name="providerValue"/> and uses the specified <paramref name="spatialServices"/> as its spatial implementation</returns>
/// <exception cref="ArgumentNullException"><paramref name="spatialServices"/> or <paramref name="providerValue"/> is null.</exception>
protected static DbGeometry CreateGeometry(DbSpatialServices spatialServices, object providerValue)
{
spatialServices.CheckNull("spatialServices");
providerValue.CheckNull("providerValue");
return new DbGeometry(spatialServices, providerValue);
}
internal SqlSpatialDataReader(DbSpatialServices spatialServices, SqlDataReaderWrapper underlyingReader)
{
_spatialServices = spatialServices;
_reader = underlyingReader;
}
