/// <summary>
/// Annotates the given payload based on the metadata in the given uri
/// </summary>
/// <param name="rootElement">The payload to annotate with metadata information</param>
/// <param name="uri">The uri that corresponds to the given payload</param>
public void ResolveMetadata(ODataPayloadElement rootElement, ODataUri uri)
{
ExceptionUtilities.CheckArgumentNotNull(rootElement, "rootElement");
ExceptionUtilities.CheckArgumentNotNull(uri, "uri");
this.InitializeMetadataStack(uri);
this.InitialStackSize = this.MetadataStack.Count;
rootElement.Add(new ExpectedPayloadElementTypeAnnotation()
{
ExpectedType = uri.GetExpectedPayloadType()
});
// if the uri did not contain any metadata, do nothing
if (this.InitialStackSize > 0)
{
// if this is the result of service operation or action, the root element needs to have the function itself and its return type
var serviceOperation = this.MetadataStack.OfType <Function>().FirstOrDefault();
if (serviceOperation != null)
{
rootElement.AddAnnotationIfNotExist(new FunctionAnnotation()
{
Function = serviceOperation
});
rootElement.AddAnnotationIfNotExist(new DataTypeAnnotation()
{
DataType = serviceOperation.ReturnType
});
}
this.Recurse(rootElement);
}
}
internal static bool ResponseMightIncludeNextLink(ODataUri uri)
{
var payloadsWithNextLinks = new[] { ODataPayloadElementType.EntitySetInstance, ODataPayloadElementType.LinkCollection };
var expectedPayloadType = uri.GetExpectedPayloadType();
if (!payloadsWithNextLinks.Contains(expectedPayloadType))
{
return(false);
}
EntitySet expectedSet;
ExceptionUtilities.Assert(uri.TryGetExpectedEntitySet(out expectedSet), "Could not get expected entity set");
var pageSize = expectedSet.GetEffectivePageSize();
if (!pageSize.HasValue)
{
return(false);
}
// if the value of $top is less than 1 page size, no next link will be included
return(!uri.Top.HasValue || uri.Top.Value > pageSize.Value);
}