/// <summary>
/// Creates the materializer entry.
/// </summary>
/// <param name="entry">The entry.</param>
/// <param name="format">The format the entry was read in.</param>
/// <param name="isTracking">True if the contents of the entry will be tracked in the context, otherwise False.</param>
/// <param name="model">The client model.</param>
/// <returns>A new materializer entry.</returns>
public static MaterializerEntry CreateEntry(ODataResource entry, ODataFormat format, bool isTracking, ClientEdmModel model)
{
Debug.Assert(entry.GetAnnotation <MaterializerEntry>() == null, "MaterializerEntry has already been created.");
MaterializerEntry materializerEntry = new MaterializerEntry(entry, format, isTracking, model);
entry.SetAnnotation <MaterializerEntry>(materializerEntry);
return(materializerEntry);
}
private void WriteEntry(ODataWriter writer, ODataResource entry)
{
writer.WriteStart(entry);
var annotation = entry.GetAnnotation <ODataEntryNavigationLinksObjectModelAnnotation>();
ODataNestedResourceInfo navLink = null;
if (annotation != null)
{
for (int i = 0; i < annotation.Count; ++i)
{
bool found = annotation.TryGetNavigationLinkAt(i, out navLink);
ExceptionUtilities.Assert(found, "Navigation links should be ordered sequentially for writing");
this.WriteNavigationLink(writer, navLink);
}
}
writer.WriteEnd();
}
/// <summary>
/// Gets all navigation link instances attached to the <paramref name="entry"/> via the
/// <see cref="ODataEntryNavigationLinksObjectModelAnnotation"/> annotation.
/// </summary>
/// <param name="entry">The <see cref="ODataResource"/> to get the navigation links for.</param>
/// <returns>The annotation representing the navigation link instances or null if none were found.</returns>
public static ODataEntryNavigationLinksObjectModelAnnotation NavigationLinks(this ODataResource entry)
{
ExceptionUtilities.CheckArgumentNotNull(entry, "entry");
return(entry.GetAnnotation <ODataEntryNavigationLinksObjectModelAnnotation>());
}
/// <summary>
/// Gets an entry for a given ODataResource.
/// </summary>
/// <param name="entry">The ODataResource.</param>
/// <returns>The materializer entry</returns>
public static MaterializerEntry GetEntry(ODataResource entry)
{
return(entry.GetAnnotation <MaterializerEntry>());
}
/// <summary>
/// Visits an entry item.
/// </summary>
/// <param name="entry">The entry to visit.</param>
protected override ODataPayloadElement VisitEntry(ODataResource entry)
{
ODataPayloadElement payloadElement = base.VisitEntry(entry);
ODataEntryPayloadOrderObjectModelAnnotation payloadOrderEntryAnnotation = entry.GetAnnotation <ODataEntryPayloadOrderObjectModelAnnotation>();
if (payloadOrderEntryAnnotation != null)
{
PayloadOrderODataPayloadElementAnnotation payloadOrderElementAnnotation = new PayloadOrderODataPayloadElementAnnotation();
payloadOrderElementAnnotation.PayloadItems.AddRange(payloadOrderEntryAnnotation.PayloadItems);
payloadElement.Add(payloadOrderElementAnnotation);
}
return(payloadElement);
}
private void Read(Lazy <ODataReader> lazyReader)
{
foreach (var state in this.expectedStates)
{
lazyReader.Value.Read();
ExceptionUtilities.Assert(lazyReader.Value.State == state, "Expected %1, Found %2", state, lazyReader.Value.State);
switch (state)
{
case ODataReaderState.ResourceSetStart:
if (readItems.Count > 0)
{
ODataNestedResourceInfo navLink = (ODataNestedResourceInfo)readItems.Peek();
var annotation = navLink.GetAnnotation <ODataNavigationLinkExpandedItemObjectModelAnnotation>();
if (annotation == null)
{
annotation = new ODataNavigationLinkExpandedItemObjectModelAnnotation();
navLink.SetAnnotation(annotation);
}
annotation.ExpandedItem = lazyReader.Value.Item;
}
readItems.Push(lazyReader.Value.Item);
break;
case ODataReaderState.ResourceStart:
var currentEntry = (ODataResource)lazyReader.Value.Item;
if (readItems.Count > 0)
{
ODataResourceSet feed = readItems.Peek() as ODataResourceSet;
if (feed != null)
{
var annotation = feed.GetAnnotation <ODataFeedEntriesObjectModelAnnotation>();
if (annotation == null)
{
annotation = new ODataFeedEntriesObjectModelAnnotation();
feed.SetAnnotation(annotation);
}
annotation.Add((ODataResource)lazyReader.Value.Item);
}
else
{
ODataNestedResourceInfo navLink = (ODataNestedResourceInfo)readItems.Peek();
var annotation = navLink.GetAnnotation <ODataNavigationLinkExpandedItemObjectModelAnnotation>();
if (annotation == null)
{
annotation = new ODataNavigationLinkExpandedItemObjectModelAnnotation();
navLink.SetAnnotation(annotation);
}
annotation.ExpandedItem = currentEntry;
}
}
readItems.Push(currentEntry);
break;
case ODataReaderState.NestedResourceInfoStart:
ODataResource entry = (ODataResource)readItems.Peek();
var navLinksAnnotation = entry.GetAnnotation <ODataEntryNavigationLinksObjectModelAnnotation>();
if (navLinksAnnotation == null)
{
navLinksAnnotation = new ODataEntryNavigationLinksObjectModelAnnotation();
entry.SetAnnotation(navLinksAnnotation);
}
navLinksAnnotation.Add((ODataNestedResourceInfo)lazyReader.Value.Item, entry.Properties.Count() + navLinksAnnotation.Count);
readItems.Push(lazyReader.Value.Item);
break;
case ODataReaderState.ResourceEnd:
case ODataReaderState.ResourceSetEnd:
case ODataReaderState.NestedResourceInfoEnd:
if (readItems.Count() > 1)
{
readItems.Pop();
}
break;
}
}
this.expectedStates.Clear();
}
