/// <summary>
 /// Constructs the <see cref="EntitySelfLinks" /> for a particular <see cref="EntityInstanceContext" /> and <see cref="ODataMetadataLevel" />.
 /// </summary>
 public virtual EntitySelfLinks BuildEntitySelfLinks(EntityInstanceContext instanceContext, ODataMetadataLevel metadataLevel)
 {
     EntitySelfLinks selfLinks = new EntitySelfLinks();
     selfLinks.IdLink = BuildIdLink(instanceContext, metadataLevel);
     selfLinks.EditLink = BuildEditLink(instanceContext, metadataLevel, selfLinks.IdLink);
     selfLinks.ReadLink = BuildReadLink(instanceContext, metadataLevel, selfLinks.EditLink);
     return selfLinks;
 }
Esempio n. 2
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        /// <summary>
        /// Creates the <see cref="ODataEntry"/> to be written while writing this entity.
        /// </summary>
        /// <param name="selectExpandNode">The <see cref="SelectExpandNode"/> describing the response graph.</param>
        /// <param name="entityInstanceContext">The context for the entity instance being written.</param>
        /// <returns>The created <see cref="ODataEntry"/>.</returns>
        public virtual ODataEntry CreateEntry(SelectExpandNode selectExpandNode, EntityInstanceContext entityInstanceContext)
        {
            if (selectExpandNode == null)
            {
                throw Error.ArgumentNull("selectExpandNode");
            }
            if (entityInstanceContext == null)
            {
                throw Error.ArgumentNull("entityInstanceContext");
            }

            string typeName = entityInstanceContext.EntityType.FullName();

            ODataEntry entry = new ODataEntry
            {
                TypeName   = typeName,
                Properties = CreateStructuralPropertyBag(selectExpandNode.SelectedStructuralProperties, entityInstanceContext),
            };

            // Try to add the dynamic properties if the entity type is open.
            if ((entityInstanceContext.EntityType.IsOpen && selectExpandNode.SelectAllDynamicProperties) ||
                (entityInstanceContext.EntityType.IsOpen && selectExpandNode.SelectedDynamicProperties.Any()))
            {
                IEdmTypeReference entityTypeReference =
                    entityInstanceContext.EntityType.ToEdmTypeReference(isNullable: false);
                List <ODataProperty> dynamicProperties = AppendDynamicProperties(entityInstanceContext.EdmObject,
                                                                                 (IEdmStructuredTypeReference)entityTypeReference,
                                                                                 entityInstanceContext.SerializerContext,
                                                                                 entry.Properties.ToList(),
                                                                                 selectExpandNode.SelectedDynamicProperties.ToArray());

                if (dynamicProperties != null)
                {
                    entry.Properties = entry.Properties.Concat(dynamicProperties);
                }
            }

            IEnumerable <ODataAction> actions = CreateODataActions(selectExpandNode.SelectedActions, entityInstanceContext);

            foreach (ODataAction action in actions)
            {
                entry.AddAction(action);
            }

            IEdmEntityType pathType = GetODataPathType(entityInstanceContext.SerializerContext);

            AddTypeNameAnnotationAsNeeded(entry, pathType, entityInstanceContext.SerializerContext.MetadataLevel);

            if (entityInstanceContext.NavigationSource != null)
            {
                if (!(entityInstanceContext.NavigationSource is IEdmContainedEntitySet))
                {
                    IEdmModel model = entityInstanceContext.SerializerContext.Model;
                    NavigationSourceLinkBuilderAnnotation linkBuilder = model.GetNavigationSourceLinkBuilder(entityInstanceContext.NavigationSource);
                    EntitySelfLinks selfLinks = linkBuilder.BuildEntitySelfLinks(entityInstanceContext, entityInstanceContext.SerializerContext.MetadataLevel);

                    if (selfLinks.IdLink != null)
                    {
                        entry.Id = selfLinks.IdLink;
                    }

                    if (selfLinks.ReadLink != null)
                    {
                        entry.ReadLink = selfLinks.ReadLink;
                    }

                    if (selfLinks.EditLink != null)
                    {
                        entry.EditLink = selfLinks.EditLink;
                    }
                }

                string etag = CreateETag(entityInstanceContext);
                if (etag != null)
                {
                    entry.ETag = etag;
                }
            }

            return(entry);
        }