C# ODataEntry.SetSerializationInfo方法代码示例

        public void WriteContainedEntityInDeltaFeed()
        {
            this.TestInit(this.GetModel());

            ODataDeltaFeed feed = new ODataDeltaFeed();
            ODataEntry containedEntry = new ODataEntry()
            {
                TypeName = "MyNS.ProductDetail",
                Properties = new[]
                {
                    new ODataProperty {Name = "Id", Value = new ODataPrimitiveValue(1)}, 
                    new ODataProperty {Name = "Detail", Value = new ODataPrimitiveValue("made in china")},
                },
            };

            containedEntry.SetSerializationInfo(new ODataFeedAndEntrySerializationInfo()
            {
                NavigationSourceEntityTypeName = "MyNS.ProductDetail",
                NavigationSourceName = "Products(1)/Details",
                NavigationSourceKind = EdmNavigationSourceKind.ContainedEntitySet
            });

            ODataEntry containedInContainedEntity = new ODataEntry()
            {
                TypeName = "MyNS.ProductDetailItem",
                Properties = new[]
                {
                    new ODataProperty {Name = "ItemId", Value = new ODataPrimitiveValue(1)}, 
                    new ODataProperty {Name = "Description", Value = new ODataPrimitiveValue("made by HCC")},
                },
            };

            containedInContainedEntity.SetSerializationInfo(new ODataFeedAndEntrySerializationInfo()
            {
                NavigationSourceEntityTypeName = "MyNS.ProductDetailItem",
                NavigationSourceName = "Products(1)/Details(1)/Items",
                NavigationSourceKind = EdmNavigationSourceKind.ContainedEntitySet
            });

            ODataJsonLightDeltaWriter writer = new ODataJsonLightDeltaWriter(outputContext, this.GetProducts(), this.GetProductType());
            writer.WriteStart(feed);
            writer.WriteStart(containedEntry);
            writer.WriteEnd();
            writer.WriteStart(containedInContainedEntity);
            writer.WriteEnd();
            writer.WriteEnd();
            writer.Flush();

            this.TestPayload().Should().Be("{\"@odata.context\":\"http://host/service/$metadata#Products/$delta\",\"value\":[{\"@odata.context\":\"http://host/service/$metadata#Products(1)/Details/$entity\",\"Id\":1,\"Detail\":\"made in china\"},{\"@odata.context\":\"http://host/service/$metadata#Products(1)/Details(1)/Items/$entity\",\"ItemId\":1,\"Description\":\"made by HCC\"}]}"); 
        }

        public void WriteContainedEntityInDeltaFeedWithSelectExpand()
        {
            this.TestInit(this.GetModel());

            ODataDeltaFeed feed = new ODataDeltaFeed();

            ODataEntry entry = new ODataEntry()
            {
                TypeName = "MyNS.Product",
                Properties = new[]
                {
                    new ODataProperty {Name = "Id", Value = new ODataPrimitiveValue(1)}, 
                    new ODataProperty {Name = "Name", Value = new ODataPrimitiveValue("Car")},
                },
            };

            ODataEntry containedEntry = new ODataEntry()
            {
                TypeName = "MyNS.ProductDetail",
                Properties = new[]
                {
                    new ODataProperty {Name = "Id", Value = new ODataPrimitiveValue(1)}, 
                    new ODataProperty {Name = "Detail", Value = new ODataPrimitiveValue("made in china")},
                },
            };

            containedEntry.SetSerializationInfo(new ODataFeedAndEntrySerializationInfo()
            {
                NavigationSourceEntityTypeName = "MyNS.ProductDetail",
                NavigationSourceName = "Products(1)/Details",
                NavigationSourceKind = EdmNavigationSourceKind.ContainedEntitySet
            });


            var result = new ODataQueryOptionParser(this.GetModel(), this.GetProductType(), this.GetProducts(), new Dictionary<string, string> { { "$expand", "Details($select=Detail)" }, { "$select", "Name" } }).ParseSelectAndExpand();

            ODataUri odataUri = new ODataUri()
            {
                ServiceRoot = new Uri("http://host/service"),
                SelectAndExpand = result
            };

            var outputContext = CreateJsonLightOutputContext(this.stream, this.GetModel(), false, odataUri);
            ODataJsonLightDeltaWriter writer = new ODataJsonLightDeltaWriter(outputContext, this.GetProducts(), this.GetProductType());
            writer.WriteStart(feed);
            writer.WriteStart(containedEntry);
            writer.WriteEnd();
            writer.WriteStart(entry);
            writer.WriteEnd();
            writer.WriteEnd();
            writer.Flush();

            this.TestPayload().Should().Be("{\"@odata.context\":\"http://host/service/$metadata#Products(Name,Details,Details(Detail))/$delta\",\"value\":[{\"@odata.context\":\"http://host/service/$metadata#Products(1)/Details/$entity\",\"Id\":1,\"Detail\":\"made in china\"},{\"Id\":1,\"Name\":\"Car\"}]}");
        }

 public void ShouldBeAbleToClearTheEntrySerializationInfo()
 {
     ODataEntry entry = new ODataEntry();
     ODataFeedAndEntrySerializationInfo serializationInfo = new ODataFeedAndEntrySerializationInfo { NavigationSourceName = "Set", NavigationSourceEntityTypeName = "ns.base", ExpectedTypeName = "ns.expected" };
     entry.SerializationInfo = serializationInfo;
     entry.SetSerializationInfo(null);
     entry.SerializationInfo.Should().BeNull();
 }

        public void ShouldBeAbleToWriteFeedAndEntryResponseInJsonLightWithoutModel()
        {
            const string expectedPayload =
                "{" +
                    "\"@odata.context\":\"http://www.example.com/$metadata#Customers/NS.VIPCustomer\"," +
                    "\"value\":[" +
                        "{" +
                            "\"Name\":\"Bob\"," +
                            "\"[email protected]\":\"MostRecentOrder\"," +
                            "\"MostRecentOrder\":{\"OrderId\":101}" +
                        "}" +
                    "]" +
                "}";

            var writerSettings = new ODataMessageWriterSettings { DisableMessageStreamDisposal = true };
            writerSettings.SetContentType(ODataFormat.Json);
            writerSettings.ODataUri = new ODataUri() { ServiceRoot = new Uri("http://www.example.com") };

            MemoryStream stream = new MemoryStream();
            IODataResponseMessage responseMessage = new InMemoryMessage { StatusCode = 200, Stream = stream };

            // Write payload
            using (var messageWriter = new ODataMessageWriter(responseMessage, writerSettings))
            {
                var odataWriter = messageWriter.CreateODataFeedWriter();

                // Create customers feed with serializtion info to write odata.metadata.
                var customersFeed = new ODataFeed();
                customersFeed.SetSerializationInfo(new ODataFeedAndEntrySerializationInfo { NavigationSourceName = "Customers", NavigationSourceEntityTypeName = "NS.Customer", ExpectedTypeName = "NS.VIPCustomer" });

                // Write customers feed.
                odataWriter.WriteStart(customersFeed);

                // Write VIP customer
                {
                    // Create VIP customer, don't need to pass in serialization info since the writer knows the context from the feed scope.
                    var vipCustomer = new ODataEntry { TypeName = "NS.VIPCustomer" };

                    var customerKey = new ODataProperty { Name = "Name", Value = "Bob" };

                    // Provide serialization info at the property level to compute the edit link.
                    customerKey.SetSerializationInfo(new ODataPropertySerializationInfo { PropertyKind = ODataPropertyKind.Key });
                    vipCustomer.Properties = new[] { customerKey };

                    // Write customer entry.
                    odataWriter.WriteStart(vipCustomer);

                    // Write expanded most recent order
                    {
                        // No API to set serialization info on ODataNavigationLink since what we are adding on ODataFeed and ODataEntry should be sufficient for the 5.5 release.
                        var navigationLink = new ODataNavigationLink { Name = "MostRecentOrder", IsCollection = false, Url = new Uri("MostRecentOrder", UriKind.Relative) };
                        odataWriter.WriteStart(navigationLink);

                        // Write the most recent customer.
                        {
                            var mostRecentOrder = new ODataEntry { TypeName = "NS.Order" };

                            // Add serialization info so we can computer links.
                            mostRecentOrder.SetSerializationInfo(new ODataFeedAndEntrySerializationInfo { NavigationSourceName = "Orders", NavigationSourceEntityTypeName = "NS.Order", ExpectedTypeName = "NS.Order" });

                            var orderKey = new ODataProperty { Name = "OrderId", Value = 101 };

                            // Provide serialization info at the property level to compute the edit link.
                            orderKey.SetSerializationInfo(new ODataPropertySerializationInfo { PropertyKind = ODataPropertyKind.Key });
                            mostRecentOrder.Properties = new[] { orderKey };

                            // Write order entry.
                            odataWriter.WriteStart(mostRecentOrder);
                            odataWriter.WriteEnd();
                        }

                        // End navigationLink.
                        odataWriter.WriteEnd();
                    }

                    // End customer entry.
                    odataWriter.WriteEnd();
                }

                // End customers feed.
                odataWriter.WriteEnd();
            }

            stream.Position = 0;
            string payload = (new StreamReader(stream)).ReadToEnd();
            payload.Should().Be(expectedPayload);
        }

        private string SerializeEntryInFullMetadataJson(
            bool? useKeyAsSegment, 
            IEdmModel edmModel, 
            IEdmEntityType entityType = null, 
            IEdmEntitySet entitySet = null)
        {
            var settings = new ODataMessageWriterSettings
            {
                AutoComputePayloadMetadataInJson = true,
                UseKeyAsSegment = useKeyAsSegment,
            };

            settings.SetServiceDocumentUri(new Uri("http://example.com/"));

            var outputStream = new MemoryStream();
            var responseMessage = new InMemoryMessage {Stream = outputStream};
            responseMessage.SetHeader("Content-Type", "application/json;odata.metadata=full");
            string output;

            using(var messageWriter = new ODataMessageWriter((IODataResponseMessage)responseMessage, settings, edmModel))
            {
                var entryWriter = messageWriter.CreateODataEntryWriter(entitySet, entityType);
                ODataProperty keyProperty = new ODataProperty() {Name = "Key", Value = "KeyValue"};

                var entry = new ODataEntry {Properties = new[] {keyProperty}, TypeName = "Namespace.Person"};

                if (edmModel == null)
                {
                    keyProperty.SetSerializationInfo(new ODataPropertySerializationInfo
                    {
                        PropertyKind = ODataPropertyKind.Key
                    });

                    entry.SetSerializationInfo(new ODataFeedAndEntrySerializationInfo
                    {
                        NavigationSourceEntityTypeName = "Namespace.Person",
                        NavigationSourceName = "People",
                        ExpectedTypeName = "Namespace.Person"
                    });
                }

                entryWriter.WriteStart(entry);
                entryWriter.WriteEnd();
                entryWriter.Flush();

                outputStream.Seek(0, SeekOrigin.Begin);
                output = new StreamReader(outputStream).ReadToEnd();
            }

            return output;
        }

 public void ShouldWritePayloadWhenExpandedFeedAndEntryHasSerializationInfo()
 {
     List<ODataItem> itemsToWrite = new List<ODataItem>();
     var entry1 = new ODataEntry();
     entry1.SetSerializationInfo(new ODataFeedAndEntrySerializationInfo { NavigationSourceName = "MySet", NavigationSourceEntityTypeName = "NS.MyEntityType" });
     itemsToWrite.Add(entry1);
     itemsToWrite.Add(new ODataNavigationLink { Name = "EntitySetReferenceProperty", IsCollection = true });
     var feed = new ODataFeed();
     feed.SetSerializationInfo(new ODataFeedAndEntrySerializationInfo { NavigationSourceName = "MySet", NavigationSourceEntityTypeName = "NS.MyEntityType" });
     itemsToWrite.Add(feed);
     var entry2 = new ODataEntry();
     entry2.SetSerializationInfo(new ODataFeedAndEntrySerializationInfo { NavigationSourceName = "MySet2", NavigationSourceEntityTypeName = "NS.MyEntityType2" });
     itemsToWrite.Add(entry2);
     const string expectedPayload = "{\"@odata.context\":\"http://odata.org/test/$metadata#MySet/$entity\",\"EntitySetReferenceProperty\":[{}]}";
     this.WriteNestedItemsAndValidatePayload(entitySetFullName: null, derivedEntityTypeFullName: null, nestedItemToWrite: itemsToWrite.ToArray(), expectedPayload: expectedPayload, writingResponse: true);
 }

 public void ShouldWritePayloadWhenFeedAndEntryHasSerializationInfo()
 {
     var feed = new ODataFeed();
     feed.SetSerializationInfo(new ODataFeedAndEntrySerializationInfo { NavigationSourceName = "MySet", NavigationSourceEntityTypeName = "NS.MyEntityType" });
     var entry = new ODataEntry();
     entry.SetSerializationInfo(new ODataFeedAndEntrySerializationInfo { NavigationSourceName = "MySet2", NavigationSourceEntityTypeName = "NS.MyEntityType2" });
     List<ODataItem> itemsToWrite = new List<ODataItem>() { feed, entry };
     const string expectedPayload = "{\"@odata.context\":\"http://odata.org/test/$metadata#MySet\",\"value\":[{}]}";
     this.WriteNestedItemsAndValidatePayload(entitySetFullName: null, derivedEntityTypeFullName: null, nestedItemToWrite: itemsToWrite.ToArray(), expectedPayload: expectedPayload, writingResponse: true);
 }