/// <summary>
/// Deserializes the given <paramref name="link"/> under the given <paramref name="readContext"/>.
/// </summary>
/// <param name="link">The given delta link.</param>
/// <param name="elementType">The element type.</param>
/// <param name="readContext">The deserializer context.</param>
/// <returns>The created object.</returns>
public virtual object ReadDeltaLink(ODataDeltaLinkWrapper link, IEdmStructuredTypeReference elementType, ODataDeserializerContext readContext)
{
if (link == null)
{
throw Error.ArgumentNull(nameof(link));
}
if (readContext == null)
{
throw Error.ArgumentNull(nameof(readContext));
}
if (readContext.IsNoClrType)
{
EdmDeltaLink edmDeltaLink = new EdmDeltaLink(elementType?.Definition as IEdmEntityType);
edmDeltaLink.Source = link.DeltaLink.Source;
edmDeltaLink.Target = link.DeltaLink.Target;
edmDeltaLink.Relationship = link.DeltaLink.Relationship;
return(edmDeltaLink);
}
else
{
// refactor how to get the CLR type
Type elementClrType = readContext.Model.GetClrType(elementType);
Type deltaLinkType = typeof(DeltaLink <>).MakeGenericType(elementClrType);
IDeltaLink deltaLink = Activator.CreateInstance(deltaLinkType) as IDeltaLink;
deltaLink.Source = link.DeltaLink.Source;
deltaLink.Target = link.DeltaLink.Target;
deltaLink.Relationship = link.DeltaLink.Relationship;
return(deltaLink);
}
}
/// <summary>
/// Overwrites the <paramref name="originalSet"/> entity with the changes tracked by this Delta resource set.
/// </summary>
/// <param name="originalSet">The original set.</param>
public virtual void Patch(IEnumerable <T> originalSet)
{
if (originalSet == null)
{
throw Error.ArgumentNull(nameof(originalSet));
}
// TODO: work out the patch process
foreach (IDeltaItem delta in this)
{
T originalObj = GetOriginal(delta, originalSet);
switch (delta.Kind)
{
case DeltaKind.DeltaResource:
// A Delta resource is a delta
IDelta deltaResource = (IDelta)delta;
break;
case DeltaKind.DeltaDeletedResource:
// A Delta deleted resource is a delta deleted resource
IDeltaDeletedResource deltaDeletedResource = (IDeltaDeletedResource)delta;
break;
case DeltaKind.DeltaDeletedLink:
IDeltaDeletedLink deltaDeletedLink = (IDeltaDeletedLink)delta;
break;
case DeltaKind.DeltaLink:
IDeltaLink deltaLink = (IDeltaLink)delta;
break;
case DeltaKind.Unknown:
default:
//throw Error.InvalidOperation(SRResources.CannotSetDynamicPropertyDictionary, propertyInfo.Name,
// entity.GetType().FullName);
throw Error.InvalidOperation("Unknow delta kind");
}
}
}
