protected NpgsqlConnection OpenConnection(string?connectionString = null, GeoJSONOptions option = GeoJSONOptions.None)
{
var conn = base.OpenConnection(connectionString);
conn.TypeMapper.UseGeoJson(option);
return(conn);
}
/// <summary>
/// Sets up GeoJSON mappings for the PostGIS types.
/// </summary>
/// <param name="mapper">The type mapper to set up (global or connection-specific)</param>
/// <param name="options">Options to use when constructing objects.</param>
/// <param name="geographyAsDefault">Specifies that the geography type is used for mapping by default.</param>
public static INpgsqlTypeMapper UseGeoJson(this INpgsqlTypeMapper mapper, GeoJSONOptions options = GeoJSONOptions.None, bool geographyAsDefault = false)
{
var factory = new GeoJSONHandlerFactory(options);
return(mapper
.AddMapping(new NpgsqlTypeMappingBuilder
{
PgTypeName = "geometry",
NpgsqlDbType = NpgsqlDbType.Geometry,
ClrTypes = geographyAsDefault ? Type.EmptyTypes : ClrTypes,
InferredDbType = DbType.Object,
TypeHandlerFactory = factory
}.Build())
.AddMapping(new NpgsqlTypeMappingBuilder
{
PgTypeName = "geography",
NpgsqlDbType = NpgsqlDbType.Geography,
ClrTypes = geographyAsDefault ? ClrTypes : Type.EmptyTypes,
InferredDbType = DbType.Object,
TypeHandlerFactory = factory
}.Build()));
}
internal GeoJsonHandler(PostgresType postgresType, GeoJSONOptions options, CrsMap crsMap)
: base(postgresType)
{
_options = options;
_crsMap = crsMap;
}
public GeoJSONHandlerFactory(GeoJSONOptions options = GeoJSONOptions.None) => _options = options;
internal GeoJsonHandler(PostgresType postgresType, GeoJSONOptions options, CrsMap crsMap)
{
PostgresType = postgresType;
_options = options;
_crsMap = crsMap;
}
public GeoJSONTypeHandlerResolverFactory(GeoJSONOptions options, bool geographyAsDefault) => (_options, _geographyAsDefault) = (options, geographyAsDefault);
/// <summary>
/// Sets up GeoJSON mappings for the PostGIS types.
/// </summary>
/// <param name="mapper">The type mapper to set up (global or connection-specific)</param>
/// <param name="options">Options to use when constructing objects.</param>
/// <param name="geographyAsDefault">Specifies that the geography type is used for mapping by default.</param>
public static INpgsqlTypeMapper UseGeoJson(this INpgsqlTypeMapper mapper, GeoJSONOptions options = GeoJSONOptions.None, bool geographyAsDefault = false)
{
mapper.AddTypeResolverFactory(new GeoJSONTypeHandlerResolverFactory(options, geographyAsDefault));
return(mapper);
}
internal GeoJsonHandler(GeoJSONOptions options, CrsMap crsMap)
{
_options = options;
_crsMap = crsMap;
}
