示例#1
0
        private static void WriteNestedResourceInfo(ODataWriterWrapper writer, ODataNestedResourceInfoWrapper nestedResourceInfo)
        {
            writer.WriteNestedResourceInfoStart(nestedResourceInfo.NestedResourceInfo);

            if (nestedResourceInfo.NestedResourceOrResourceSet != null)
            {
                WriteItem(writer, nestedResourceInfo.NestedResourceOrResourceSet);
            }

            writer.WriteNestedResourceInfoEnd();
        }
示例#2
0
        /// <summary>
        /// Writes a navigation link.
        /// </summary>
        /// <param name="entityDescriptor">The entity</param>
        /// <param name="relatedLinks">The links related to the entity</param>
        /// <param name="odataWriter">The ODataWriter used to write the navigation link.</param>
        internal void WriteNestedResourceInfo(EntityDescriptor entityDescriptor, IEnumerable <LinkDescriptor> relatedLinks, ODataWriterWrapper odataWriter)
        {
            // TODO: create instance of odatawriter.
            // TODO: send clientType once, so that we dont need entity descriptor
            Debug.Assert(EntityStates.Added == entityDescriptor.State, "entity not added state");

            Dictionary <string, List <LinkDescriptor> > groupRelatedLinks = new Dictionary <string, List <LinkDescriptor> >(EqualityComparer <string> .Default);

            foreach (LinkDescriptor end in relatedLinks)
            {
                List <LinkDescriptor> linkDescriptorsList = null;
                if (!groupRelatedLinks.TryGetValue(end.SourceProperty, out linkDescriptorsList))
                {
                    linkDescriptorsList = new List <LinkDescriptor>();
                    groupRelatedLinks.Add(end.SourceProperty, linkDescriptorsList);
                }

                linkDescriptorsList.Add(end);
            }

            ClientTypeAnnotation clientType = null;

            foreach (var grlinks in groupRelatedLinks)
            {
                if (null == clientType)
                {
                    ClientEdmModel model = this.requestInfo.Model;
                    clientType = model.GetClientTypeAnnotation(model.GetOrCreateEdmType(entityDescriptor.Entity.GetType()));
                }

                bool isCollection = clientType.GetProperty(grlinks.Key, UndeclaredPropertyBehavior.ThrowException).IsEntityCollection;
                bool started      = false;

                foreach (LinkDescriptor end in grlinks.Value)
                {
                    Debug.Assert(!end.ContentGeneratedForSave, "already saved link");
                    end.ContentGeneratedForSave = true;
                    Debug.Assert(null != end.Target, "null is DELETE");

                    ODataNestedResourceInfo navigationLink = new ODataNestedResourceInfo();
                    navigationLink.Url = this.requestInfo.EntityTracker.GetEntityDescriptor(end.Target).GetLatestEditLink();
                    Debug.Assert(Uri.IsWellFormedUriString(UriUtil.UriToString(navigationLink.Url), UriKind.Absolute), "Uri.IsWellFormedUriString(targetEditLink, UriKind.Absolute)");

                    navigationLink.IsCollection = isCollection;
                    navigationLink.Name         = grlinks.Key;

                    if (!started)
                    {
                        odataWriter.WriteNestedResourceInfoStart(navigationLink);
                        started = true;
                    }

                    odataWriter.WriteNestedResourceInfoStart(navigationLink, end.Source, end.Target);
                    odataWriter.WriteEntityReferenceLink(new ODataEntityReferenceLink()
                    {
                        Url = navigationLink.Url
                    }, end.Source, end.Target);
                    odataWriter.WriteNestedResourceInfoEnd(navigationLink, end.Source, end.Target);
                }

                odataWriter.WriteNestedResourceInfoEnd();
            }
        }