示例#1
0
 /// <summary>
 /// Writing a delta deleted entry.
 /// </summary>
 /// <param name="deltaDeletedEntry">The delta deleted entry to write.</param>
 public abstract void WriteDeltaDeletedEntry(ODataDeltaDeletedEntry deltaDeletedEntry);
示例#2
0
        /// <summary>
        /// Generate deleted entry and deleted link items
        /// </summary>
        /// <param name="parentId">Parent Id</param>
        /// <param name="relationShip">Navigation property name</param>
        private void GenerateDeltaItemsFromDeletedEntities(string parentId, string relationShip)
        {
            foreach (DeltaSnapshotEntry entry in this.DeltaSnapshot.Entries)
            {
                // Get all top level entities which do not contained in new results
                if (entry.ParentId == parentId && entry.RelationShip == relationShip)
                {
                    // Verify if the entry is deleted now, since some of them may dispare because $filter
                    var verifyresult = new QueryContext(this.ServiceRootUri, new Uri(entry.Id), this.DataSource.Model);
                    object queryResults = verifyresult.ResolveQuery(this.DataSource);

                    if (queryResults == null)
                    {
                        var deletedEntry = new ODataDeltaDeletedEntry(entry.Id, DeltaDeletedEntryReason.Deleted);
                        deletedEntry.SetSerializationInfo(new ODataDeltaSerializationInfo
                        {
                            NavigationSourceName = (verifyresult.QueryPath.LastSegment as KeySegment).NavigationSource.Name,
                        });
                        this.DeltaItems.Add(deletedEntry);
                        if (!string.IsNullOrEmpty(parentId))
                        {
                            var deltaDeletedLink = new ODataDeltaDeletedLink(new Uri(parentId), new Uri(entry.Id), relationShip);
                            deltaDeletedLink.SetSerializationInfo(new ODataDeltaSerializationInfo
                            {
                                NavigationSourceName = (verifyresult.QueryPath.LastSegment as KeySegment).NavigationSource.Name,
                            });
                            this.DeltaItems.Add(deltaDeletedLink);
                        }
                    }
                    else
                    {
                        var deletedEntry = new ODataDeltaDeletedEntry(entry.Id, DeltaDeletedEntryReason.Changed);
                        deletedEntry.SetSerializationInfo(new ODataDeltaSerializationInfo
                        {
                            NavigationSourceName = (verifyresult.QueryPath.LastSegment as KeySegment).NavigationSource.Name,
                        });
                        this.DeltaItems.Add(deletedEntry);
                    }
                }
            }
        }
示例#3
0
 /// <summary>
 /// Asynchronously writing a delta deleted entry.
 /// </summary>
 /// <param name="deltaDeletedEntry">The delta deleted entry to write.</param>
 /// <returns>A task instance that represents the asynchronous write operation.</returns>
 public abstract Task WriteDeltaDeletedEntryAsync(ODataDeltaDeletedEntry deltaDeletedEntry);
        public override void Process(IODataRequestMessage requestMessage, IODataResponseMessage responseMessage)
        {
            var token = HttpUtility.ParseQueryString(RequestUri.Query).Get("$token");
            if (string.IsNullOrEmpty(token))
            {
                deltaToken = "common";
            }
            else
            {
                deltaToken = token;
            }

            if (deltaToken == "common")
            {
                originalUri = new Uri(ServiceConstants.ServiceBaseUri, "Customers?$expand=Orders");
                using (var messageWriter = this.CreateMessageWriter(responseMessage))
                {
                    var entitySet = this.DataSource.Model.FindDeclaredEntitySet("Customers");
                    var entityType = entitySet.EntityType();
                    ODataDeltaWriter deltaWriter = messageWriter.CreateODataDeltaWriter(entitySet, entityType);

                    var deltaFeed = new ODataDeltaFeed();
                    var deltaEntry = new ODataEntry
                    {
                        Id = new Uri(ServiceConstants.ServiceBaseUri, entitySet.Name + "(1)"), 
                        Properties = new[] {new ODataProperty {Name = "FirstName", Value = "GGGG"}}
                    };
                    var deletedLink = new ODataDeltaDeletedLink(
                        new Uri(ServiceConstants.ServiceBaseUri, entitySet.Name + "(1)"), new Uri(ServiceConstants.ServiceBaseUri, "Orders(8)"), "Orders");
                    var addedLink = new ODataDeltaLink(
                        new Uri(ServiceConstants.ServiceBaseUri, entitySet.Name + "(1)"), new Uri(ServiceConstants.ServiceBaseUri, "Orders(7)"), "Orders");
                    var navigationEntry = new ODataEntry
                    {
                        Id = new Uri(ServiceConstants.ServiceBaseUri, "Orders(100)"),
                        TypeName = "Microsoft.Test.OData.Services.ODataWCFService.Order",
                        Properties = new[]
                        {
                            new ODataProperty {Name = "OrderID", Value = 100}, 
                            new ODataProperty {Name = "OrderDate", Value = new DateTimeOffset(DateTime.Now)}
                        }
                    };
                    navigationEntry.SetSerializationInfo(new ODataFeedAndEntrySerializationInfo
                    {
                        NavigationSourceEntityTypeName = "Microsoft.Test.OData.Services.ODataWCFService.Order",
                        NavigationSourceKind = EdmNavigationSourceKind.EntitySet,
                        NavigationSourceName = "Orders"
                    });

                    var deletedEntry = new ODataDeltaDeletedEntry(
                        new Uri(ServiceConstants.ServiceBaseUri, entitySet.Name + "(2)").AbsoluteUri, DeltaDeletedEntryReason.Deleted);

                    deltaFeed.DeltaLink = new Uri(ServiceConstants.ServiceBaseUri, "$delta?$token=common");

                    deltaWriter.WriteStart(deltaFeed);
                    deltaWriter.WriteStart(deltaEntry);
                    deltaWriter.WriteEnd();
                    deltaWriter.WriteDeltaDeletedLink(deletedLink);
                    deltaWriter.WriteDeltaLink(addedLink);
                    deltaWriter.WriteStart(navigationEntry);
                    deltaWriter.WriteEnd();
                    deltaWriter.WriteDeltaDeletedEntry(deletedEntry);
                    deltaWriter.WriteEnd();
                }
            }
            else if (deltaToken == "containment")
            {
                originalUri = new Uri(ServiceConstants.ServiceBaseUri, "Accounts(103)/MyPaymentInstruments?$expand=BillingStatements");
                using (var messageWriter = this.CreateMessageWriter(responseMessage))
                {
                    var accountsSet = this.DataSource.Model.FindDeclaredEntitySet("Accounts");
                    var accountType = accountsSet.EntityType();
                    var myPisNav = accountType.FindProperty("MyPaymentInstruments") as IEdmNavigationProperty;
                    var piSet = accountsSet.FindNavigationTarget(myPisNav);
                    var piType = piSet.EntityType();
                    ODataDeltaWriter deltaWriter = messageWriter.CreateODataDeltaWriter(piSet as IEdmContainedEntitySet, piType);

                    var deltaFeed = new ODataDeltaFeed();
                    var deltaEntry = new ODataEntry
                    {
                        Id = new Uri(ServiceConstants.ServiceBaseUri, "Accounts(103)/MyPaymentInstruments(103901)"), 
                        Properties = new[] { new ODataProperty { Name = "FriendlyName", Value = "GGGG" } }
                    };
                    
                    var deletedEntry = new ODataDeltaDeletedEntry(
                        new Uri(ServiceConstants.ServiceBaseUri, "Accounts(103)/MyPaymentInstruments(103901)/BillingStatements(103901001)").AbsoluteUri, 
                        DeltaDeletedEntryReason.Deleted);
                    deletedEntry.SetSerializationInfo(new ODataDeltaSerializationInfo()
                    {
                        NavigationSourceName = "Accounts(103)/MyPaymentInstruments(103901)/BillingStatements"
                    });

                    var deletedLink = new ODataDeltaDeletedLink(
                        new Uri(ServiceConstants.ServiceBaseUri, "Accounts(103)/MyPaymentInstruments(103901)"),
                        new Uri(ServiceConstants.ServiceBaseUri, "Accounts(103)/MyPaymentInstruments(103901)/BillingStatements(103901001)"), 
                        "BillingStatements");

                    var navigationEntry = new ODataEntry
                    {
                        Id = new Uri(ServiceConstants.ServiceBaseUri, "Accounts(103)/MyPaymentInstruments(103901)/BillingStatements(103901005)"),
                        TypeName = "Microsoft.Test.OData.Services.ODataWCFService.Statement",
                        Properties = new[]
                        {
                            new ODataProperty { Name = "TransactionType", Value = "OnlinePurchase" }, 
                            new ODataProperty { Name = "TransactionDescription", Value = "unknown purchase" },
                            new ODataProperty { Name = "Amount", Value = 32.1 }
                        }
                    };
                    navigationEntry.SetSerializationInfo(new ODataFeedAndEntrySerializationInfo
                    {
                        NavigationSourceEntityTypeName = "Microsoft.Test.OData.Services.ODataWCFService.Statement",
                        NavigationSourceKind = EdmNavigationSourceKind.ContainedEntitySet,
                        NavigationSourceName = "Accounts(103)/MyPaymentInstruments(103901)/BillingStatements"
                    });

                    var addedLink = new ODataDeltaLink(
                        new Uri(ServiceConstants.ServiceBaseUri, "Accounts(103)/MyPaymentInstruments(103901)"),
                        new Uri(ServiceConstants.ServiceBaseUri, "Accounts(103)/MyPaymentInstruments(103901)/BillingStatements(103901005)"),
                        "BillingStatements");

                    deltaWriter.WriteStart(deltaFeed);
                    deltaWriter.WriteStart(deltaEntry);
                    deltaWriter.WriteEnd();
                    deltaWriter.WriteDeltaDeletedEntry(deletedEntry);
                    deltaWriter.WriteDeltaDeletedLink(deletedLink);
                    deltaWriter.WriteStart(navigationEntry);
                    deltaWriter.WriteEnd();
                    deltaWriter.WriteDeltaLink(addedLink);
                    deltaWriter.WriteEnd();
                }
            }
            else if (deltaToken == "derived")
            {
                originalUri = new Uri(ServiceConstants.ServiceBaseUri, "People?$expand=Microsoft.Test.OData.Services.ODataWCFService.Customer/Orders");
                using (var messageWriter = this.CreateMessageWriter(responseMessage))
                {
                    var peopleSet = this.DataSource.Model.FindDeclaredEntitySet("People");
                    var personType = peopleSet.EntityType();
                    ODataDeltaWriter deltaWriter = messageWriter.CreateODataDeltaWriter(peopleSet, personType);

                    var deltaFeed = new ODataDeltaFeed();
                    var deltaEntry = new ODataEntry
                    {
                        Id = new Uri(ServiceConstants.ServiceBaseUri, "People(1)"),
                        TypeName = "Microsoft.Test.OData.Services.ODataWCFService.Customer",
                        Properties = new[]
                        {
                            new ODataProperty { Name = "City", Value = "GGGG" }
                        }
                    };

                    var addedLink = new ODataDeltaLink(
                        new Uri(ServiceConstants.ServiceBaseUri, "People(1)"), new Uri(ServiceConstants.ServiceBaseUri, "Orders(7)"), "Orders");

                    var deletedEntry = new ODataDeltaDeletedEntry(
                        new Uri(ServiceConstants.ServiceBaseUri, "People(2)").AbsoluteUri,
                        DeltaDeletedEntryReason.Changed);

                    var deletedLink = new ODataDeltaDeletedLink(
                        new Uri(ServiceConstants.ServiceBaseUri, "People(1)"),
                        new Uri(ServiceConstants.ServiceBaseUri, "Orders(8)"),
                        "Orders");

                    var navigationEntry = new ODataEntry
                    {
                        Id = new Uri(ServiceConstants.ServiceBaseUri, "Orders(100)"),
                        TypeName = "Microsoft.Test.OData.Services.ODataWCFService.Order",
                        Properties = new[]
                        {
                            new ODataProperty {Name = "OrderID", Value = 100}, 
                            new ODataProperty {Name = "OrderDate", Value = new DateTimeOffset(DateTime.Now)}
                        }
                    };
                    navigationEntry.SetSerializationInfo(new ODataFeedAndEntrySerializationInfo
                    {
                        NavigationSourceEntityTypeName = "Microsoft.Test.OData.Services.ODataWCFService.Order",
                        NavigationSourceKind = EdmNavigationSourceKind.EntitySet,
                        NavigationSourceName = "Orders"
                    });

                    deltaWriter.WriteStart(deltaFeed);
                    deltaWriter.WriteStart(deltaEntry);
                    deltaWriter.WriteEnd();
                    deltaWriter.WriteDeltaDeletedLink(deletedLink);
                    deltaWriter.WriteDeltaLink(addedLink);
                    deltaWriter.WriteStart(navigationEntry);
                    deltaWriter.WriteEnd();
                    deltaWriter.WriteDeltaDeletedEntry(deletedEntry);
                    deltaWriter.WriteEnd();
                }
            }
            else if (deltaToken == "expanded")
            {
                originalUri = new Uri(ServiceConstants.ServiceBaseUri, "Customers?$expand=Orders");
                using (var messageWriter = this.CreateMessageWriter(responseMessage))
                {
                    var customerSet = this.DataSource.Model.FindDeclaredEntitySet("Customers");
                    var orderSet = this.DataSource.Model.FindDeclaredEntitySet("Orders");
                    var peopleSet = this.DataSource.Model.FindDeclaredEntitySet("People");
                    var customerType = customerSet.EntityType();
                    ODataDeltaWriter deltaWriter = messageWriter.CreateODataDeltaWriter(customerSet, customerType);

                    // Delta feed and entry
                    var deltaFeed = new ODataDeltaFeed
                    {
                        DeltaLink = new Uri(ServiceConstants.ServiceBaseUri, "$delta?$token=expanded")
                    };
                    var deltaEntry = new ODataEntry
                    {
                        Id = new Uri(ServiceConstants.ServiceBaseUri, customerSet.Name + "(1)"),
                        Properties = new[] { new ODataProperty { Name = "FirstName", Value = "GGGG" } }
                    };

                    // Expanded feed
                    var navigationLink = new ODataNavigationLink()
                    {
                        Name = "Orders",
                        IsCollection = true,
                    };
                    var expandedFeed = new ODataFeed();
                    var expandedEntry = new ODataEntry
                    {
                        Id = new Uri(ServiceConstants.ServiceBaseUri, orderSet.Name + "(8)"),
                        Properties = new[]
                        {
                            new ODataProperty { Name = "OrderDate", Value = new DateTimeOffset(2011, 3, 4, 16, 03, 57, TimeSpan.FromHours(-8)) },
                            new ODataProperty { Name = "OrderID", Value = 8 },
                            new ODataProperty { Name = "OrderShelfLifes", Value = new ODataCollectionValue { Items = new[] { new TimeSpan(1) } } },
                            new ODataProperty { Name = "ShelfLife", Value = new TimeSpan(1) },
                            new ODataProperty { Name = "ShipDate", Value = new Date(2014, 8, 12) },
                            new ODataProperty { Name = "ShipTime", Value = new TimeOfDay(6, 5, 30, 0) },
                        }
                    };

                    // Expanded entry
                    var navigationLinkSingle = new ODataNavigationLink()
                    {
                        Name = "Parent",
                        IsCollection = false,
                    };
                    var expandedEntrySingle = new ODataEntry
                    {
                        Id = new Uri(ServiceConstants.ServiceBaseUri, peopleSet.Name + "(2)"),
                        Properties = new[]
                        {
                            new ODataProperty { Name = "FirstName", Value = "Jill" },
                            new ODataProperty { Name = "LastName", Value = "Jones" },
                            new ODataProperty { Name = "Numbers", Value = new ODataCollectionValue() },
                            new ODataProperty { Name = "Emails", Value = new ODataCollectionValue() },
                            new ODataProperty { Name = "PersonID", Value = 2 },
                            new ODataProperty { Name = "Home", Value = GeographyPoint.Create(15.0, 161.8) },
                        }
                    };

                    // Delta feed and entry
                    deltaWriter.WriteStart(deltaFeed);
                    deltaWriter.WriteStart(deltaEntry);

                    // Expanded feed
                    deltaWriter.WriteStart(navigationLink);
                    deltaWriter.WriteStart(expandedFeed);
                    deltaWriter.WriteStart(expandedEntry);
                    deltaWriter.WriteEnd();
                    deltaWriter.WriteEnd();
                    deltaWriter.WriteEnd();

                    // Expanded entry
                    deltaWriter.WriteStart(navigationLinkSingle);
                    deltaWriter.WriteStart(expandedEntrySingle);
                    deltaWriter.WriteEnd();
                    deltaWriter.WriteEnd();

                    // Delta feed and entry
                    deltaWriter.WriteEnd();
                    deltaWriter.WriteEnd();
                }
            }
            else if (deltaToken == "projection")
            {
                originalUri = new Uri(ServiceConstants.ServiceBaseUri, "Customers?$select=PersonID,FirstName,LastName&$expand=Orders($select=OrderID,OrderDate)");
                using (var messageWriter = this.CreateMessageWriter(responseMessage))
                {
                    var entitySet = this.DataSource.Model.FindDeclaredEntitySet("Customers");
                    var entityType = entitySet.EntityType();
                    ODataDeltaWriter deltaWriter = messageWriter.CreateODataDeltaWriter(entitySet, entityType);

                    var deltaFeed = new ODataDeltaFeed();
                    var deltaEntry1 = new ODataEntry
                    {
                        Properties = new[]
                        {
                            new ODataProperty { Name = "PersonID", Value = 1 },
                            new ODataProperty { Name = "FirstName", Value = "FFFF" },
                            new ODataProperty { Name = "LastName", Value = "LLLL" },
                            new ODataProperty { Name = "City", Value = "Beijing" }
                        }
                    };
                    var deletedLink = new ODataDeltaDeletedLink(
                        new Uri(ServiceConstants.ServiceBaseUri, entitySet.Name + "(1)"), new Uri(ServiceConstants.ServiceBaseUri, "Orders(8)"), "Orders");
                    var addedLink = new ODataDeltaLink(
                        new Uri(ServiceConstants.ServiceBaseUri, entitySet.Name + "(1)"), new Uri(ServiceConstants.ServiceBaseUri, "Orders(7)"), "Orders");
                    var navigationEntry = new ODataEntry
                    {
                        Id = new Uri(ServiceConstants.ServiceBaseUri, "Orders(100)"),
                        TypeName = "Microsoft.Test.OData.Services.ODataWCFService.Order",
                        Properties = new[]
                        {
                            new ODataProperty {Name = "OrderID", Value = 100}, 
                            new ODataProperty {Name = "OrderDate", Value = new DateTimeOffset(DateTime.Now)}
                        }
                    };
                    navigationEntry.SetSerializationInfo(new ODataFeedAndEntrySerializationInfo
                    {
                        NavigationSourceEntityTypeName = "Microsoft.Test.OData.Services.ODataWCFService.Order",
                        NavigationSourceKind = EdmNavigationSourceKind.EntitySet,
                        NavigationSourceName = "Orders"
                    });

                    var deletedOrderEntry = new ODataDeltaDeletedEntry(
                        new Uri(ServiceConstants.ServiceBaseUri, "Orders(20)").AbsoluteUri, DeltaDeletedEntryReason.Deleted);
                    deletedOrderEntry.SetSerializationInfo(new ODataDeltaSerializationInfo()
                    {
                        NavigationSourceName = "Orders"
                    });

                    var deltaEntry2 = new ODataEntry
                    {
                        Properties = new[]
                        {
                            new ODataProperty { Name = "PersonID", Value = 2 },
                            new ODataProperty { Name = "FirstName", Value = "AAAA" },
                        }
                    };

                    deltaWriter.WriteStart(deltaFeed);
                    deltaWriter.WriteStart(deltaEntry1);
                    deltaWriter.WriteEnd();
                    deltaWriter.WriteDeltaDeletedLink(deletedLink);
                    deltaWriter.WriteDeltaLink(addedLink);
                    deltaWriter.WriteStart(navigationEntry);
                    deltaWriter.WriteEnd();
                    deltaWriter.WriteDeltaDeletedEntry(deletedOrderEntry);
                    deltaWriter.WriteStart(deltaEntry2);
                    deltaWriter.WriteEnd();
                    deltaWriter.WriteEnd();
                }
            }
        }
 /// <summary>
 /// Provide additional serialization information to the <see cref="ODataDeltaWriter"/> for <paramref name="deltaDeletedEntry"/>.
 /// </summary>
 /// <param name="deltaDeletedEntry">The instance to set the serialization info.</param>
 /// <param name="serializationInfo">The serialization info to set.</param>
 public static void SetSerializationInfo(this ODataDeltaDeletedEntry deltaDeletedEntry, ODataDeltaSerializationInfo serializationInfo)
 {
     ExceptionUtils.CheckArgumentNotNull(deltaDeletedEntry, "deltaDeletedEntry");
     deltaDeletedEntry.SerializationInfo = serializationInfo;
 }
示例#6
0
 /// <summary>
 /// Writing a delta deleted entry.
 /// </summary>
 /// <param name="deltaDeletedEntry">The delta deleted entry to write.</param>
 public abstract void WriteDeltaDeletedEntry(ODataDeltaDeletedEntry deltaDeletedEntry);
示例#7
0
 /// <summary>
 /// Asynchronously writing a delta deleted entry.
 /// </summary>
 /// <param name="deltaDeletedEntry">The delta deleted entry to write.</param>
 /// <returns>A task instance that represents the asynchronous write operation.</returns>
 public abstract Task WriteDeltaDeletedEntryAsync(ODataDeltaDeletedEntry deltaDeletedEntry);
        /// <summary>
        /// Writes the given deltaDeletedEntry specified by the parameter graph as a part of an existing OData message using the given
        /// messageWriter and the writeContext.
        /// </summary>
        /// <param name="graph">The object to be written.</param>
        /// <param name="writer">The <see cref="ODataDeltaWriter" /> to be used for writing.</param>
        /// <param name="writeContext">The <see cref="ODataSerializerContext"/>.</param>
        public virtual void WriteDeltaDeletedEntry(object graph, ODataDeltaWriter writer, ODataSerializerContext writeContext)
        {
            EdmDeltaDeletedEntityObject edmDeltaDeletedEntity = graph as EdmDeltaDeletedEntityObject;
            if (edmDeltaDeletedEntity == null)
            {
                throw new SerializationException(Error.Format(SRResources.CannotWriteType, GetType().Name, graph.GetType().FullName));
            }

            ODataDeltaDeletedEntry deltaDeletedEntry = new ODataDeltaDeletedEntry(
               edmDeltaDeletedEntity.Id, edmDeltaDeletedEntity.Reason);

            if (deltaDeletedEntry != null)
            {
                writer.WriteDeltaDeletedEntry(deltaDeletedEntry);
            }
        }