/// <summary>
/// Loads metadata and mapping information from the given path into an <see cref="Edmx"/> instance.
/// </summary>
/// <param name="edmx">The <see cref="Edmx"/> instance in which to load metadata from the given path.</param>
/// <param name="splitPath">An non-delimited, i.e. split, path from which to load metadata.</param>
/// <returns>An edmx instance loaded with metadata from the given <paramref name="splitPath"/>.</returns>
private static Edmx Load(Edmx edmx, string splitPath)
{
if (splitPath.StartsWith(ResourceSchemeString))
{
return(LoadFromEmbeddedResource(edmx, splitPath));
}
if (MapToMetadataFileType(splitPath) == MetadataFileType.ConceptualModel)
{
edmx.Runtimes.First().ConceptualModels.ConceptualSchema = ConceptualSchema.Load(splitPath);
return(edmx);
}
if (MapToMetadataFileType(splitPath) == MetadataFileType.StorageModel)
{
edmx.Runtimes.First().StorageModels.StorageSchema = StorageSchema.Load(splitPath);
return(edmx);
}
if (MapToMetadataFileType(splitPath) == MetadataFileType.Mapping)
{
edmx.Runtimes.First().Mappings.Mapping = Mapping.Load(splitPath);
return(edmx);
}
if (MapToMetadataFileType(splitPath) == MetadataFileType.Edmx)
{
return(XTypedServices.Load <Edmx, TEdmx>(splitPath, LinqToXsdTypeManager.Instance));
}
throw new ArgumentException(String.Format("The path argument '{0}' must represent a path to an edmx, csdl, ssdl or msl file.", splitPath));
}
private static Edmx Load(Edmx edmx, MetadataFileType fileType, Stream metadataStream)
{
switch (fileType)
{
case MetadataFileType.ConceptualModel:
edmx.Runtimes.First().ConceptualModels.ConceptualSchema = ConceptualSchema.Load(metadataStream);
return(edmx);
case MetadataFileType.StorageModel:
edmx.Runtimes.First().StorageModels.StorageSchema = StorageSchema.Load(metadataStream);
return(edmx);
case MetadataFileType.Mapping:
edmx.Runtimes.First().Mappings.Mapping = Mapping.Load(metadataStream);
return(edmx);
case MetadataFileType.Edmx:
return(Load(metadataStream));
default:
throw new ArgumentException(String.Format("The fileType '{0}' must represent an edmx, csdl, ssdl or msl file.", fileType));
}
}
private static Edmx LoadFromEmbeddedResource(Edmx edmx, string splitPath)
{
return(GetStreamsFromResourcePath(splitPath)
.Aggregate(edmx, (edmxResult, fileNameAndStream) => Load(edmxResult, MapToMetadataFileType(fileNameAndStream.Key).Value, fileNameAndStream.Value)));
}
