/// <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 async Task WriteDeltaDeletedEntryAsync(object graph, ODataWriter writer, ODataSerializerContext writeContext)
{
if (writer == null)
{
throw Error.ArgumentNull(nameof(writer));
}
EdmDeltaDeletedEntityObject edmDeltaDeletedEntity = graph as EdmDeltaDeletedEntityObject;
if (edmDeltaDeletedEntity == null)
{
throw new SerializationException(Error.Format(SRResources.CannotWriteType, GetType().Name, graph?.GetType().FullName));
}
Uri id = StringToUri(edmDeltaDeletedEntity.Id);
ODataDeletedResource deletedResource = new ODataDeletedResource(id, edmDeltaDeletedEntity.Reason);
if (edmDeltaDeletedEntity.NavigationSource != null)
{
ODataResourceSerializationInfo serializationInfo = new ODataResourceSerializationInfo
{
NavigationSourceName = edmDeltaDeletedEntity.NavigationSource.Name
};
deletedResource.SetSerializationInfo(serializationInfo);
}
if (deletedResource != null)
{
await writer.WriteStartAsync(deletedResource).ConfigureAwait(false);
await writer.WriteEndAsync().ConfigureAwait(false);
}
}
/// <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, ODataWriter writer, ODataSerializerContext writeContext)
{
EdmDeltaDeletedEntityObject edmDeltaDeletedEntity = graph as EdmDeltaDeletedEntityObject;
if (edmDeltaDeletedEntity == null)
{
throw new SerializationException(Error.Format(SRResources.CannotWriteType, GetType().Name, graph.GetType().FullName));
}
Uri id = StringToUri(edmDeltaDeletedEntity.Id);
ODataDeletedResource deletedResource = new ODataDeletedResource(id, edmDeltaDeletedEntity.Reason);
if (edmDeltaDeletedEntity.NavigationSource != null)
{
ODataResourceSerializationInfo serializationInfo = new ODataResourceSerializationInfo
{
NavigationSourceName = edmDeltaDeletedEntity.NavigationSource.Name
};
deletedResource.SetSerializationInfo(serializationInfo);
}
if (deletedResource != null)
{
writer.WriteStart(deletedResource);
writer.WriteEnd();
}
}
public IHttpActionResult Get()
{
EdmChangedObjectCollection changedCollection = new EdmChangedObjectCollection(DeltaCustomerType);
//Changed or Modified objects are represented as EdmDeltaEntityObjects
for (int i = 0; i < 10; i++)
{
dynamic untypedCustomer = new EdmDeltaEntityObject(DeltaCustomerType);
untypedCustomer.Id = i;
untypedCustomer.Name = string.Format("Name {0}", i);
untypedCustomer.FavoriteNumbers = Enumerable.Range(0, i).ToArray();
changedCollection.Add(untypedCustomer);
}
//Deleted objects are represented as EdmDeltaDeletedObjects
for (int i = 10; i < 15; i++)
{
dynamic untypedCustomer = new EdmDeltaDeletedEntityObject(DeltaCustomerType);
untypedCustomer.Id = i.ToString();
untypedCustomer.Reason = DeltaDeletedEntryReason.Deleted;
changedCollection.Add(untypedCustomer);
}
return(Ok(changedCollection));
}
/// <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);
}
}
private ODataDeletedResource GetDeletedResource(object graph)
{
EdmDeltaDeletedEntityObject edmDeltaDeletedEntity = graph as EdmDeltaDeletedEntityObject;
if (edmDeltaDeletedEntity == null)
{
throw new SerializationException(Error.Format(SRResources.CannotWriteType, GetType().Name, graph.GetType().FullName));
}
Uri id = StringToUri(edmDeltaDeletedEntity.Id);
ODataDeletedResource deletedResource = new ODataDeletedResource(id, edmDeltaDeletedEntity.Reason);
if (edmDeltaDeletedEntity.NavigationSource != null)
{
ODataResourceSerializationInfo serializationInfo = new ODataResourceSerializationInfo
{
NavigationSourceName = edmDeltaDeletedEntity.NavigationSource.Name
};
deletedResource.SetSerializationInfo(serializationInfo);
}
return(deletedResource);
}
public IHttpActionResult Get()
{
IEdmEntityType customerType = Request.GetModel().FindDeclaredType("WebStack.QA.Test.OData.TestCustomer") as IEdmEntityType;
IEdmEntityType customerWithAddressType = Request.GetModel().FindDeclaredType("WebStack.QA.Test.OData.TestCustomerWithAddress") as IEdmEntityType;
IEdmComplexType addressType = Request.GetModel().FindDeclaredType("WebStack.QA.Test.OData.TestAddress") as IEdmComplexType;
IEdmEntityType orderType = Request.GetModel().FindDeclaredType("WebStack.QA.Test.OData.TestOrder") as IEdmEntityType;
IEdmEntitySet ordersSet = Request.GetModel().FindDeclaredEntitySet("TestOrders") as IEdmEntitySet;
EdmChangedObjectCollection changedObjects = new EdmChangedObjectCollection(customerType);
EdmDeltaComplexObject a = new EdmDeltaComplexObject(addressType);
a.TrySetPropertyValue("State", "State");
a.TrySetPropertyValue("ZipCode", null);
EdmDeltaEntityObject changedEntity = new EdmDeltaEntityObject(customerWithAddressType);
changedEntity.TrySetPropertyValue("Id", 1);
changedEntity.TrySetPropertyValue("Name", "Name");
changedEntity.TrySetPropertyValue("Address", a);
changedEntity.TrySetPropertyValue("PhoneNumbers", new List <String> {
"123-4567", "765-4321"
});
changedEntity.TrySetPropertyValue("OpenProperty", 10);
changedEntity.TrySetPropertyValue("NullOpenProperty", null);
changedObjects.Add(changedEntity);
EdmComplexObjectCollection places = new EdmComplexObjectCollection(new EdmCollectionTypeReference(new EdmCollectionType(new EdmComplexTypeReference(addressType, true))));
EdmDeltaComplexObject b = new EdmDeltaComplexObject(addressType);
b.TrySetPropertyValue("City", "City2");
b.TrySetPropertyValue("State", "State2");
b.TrySetPropertyValue("ZipCode", 12345);
b.TrySetPropertyValue("OpenProperty", 10);
b.TrySetPropertyValue("NullOpenProperty", null);
places.Add(a);
places.Add(b);
var newCustomer = new EdmDeltaEntityObject(customerType);
newCustomer.TrySetPropertyValue("Id", 10);
newCustomer.TrySetPropertyValue("Name", "NewCustomer");
newCustomer.TrySetPropertyValue("FavoritePlaces", places);
changedObjects.Add(newCustomer);
var newOrder = new EdmDeltaEntityObject(orderType);
newOrder.NavigationSource = ordersSet;
newOrder.TrySetPropertyValue("Id", 27);
newOrder.TrySetPropertyValue("Amount", 100);
changedObjects.Add(newOrder);
var deletedCustomer = new EdmDeltaDeletedEntityObject(customerType);
deletedCustomer.Id = "7";
deletedCustomer.Reason = DeltaDeletedEntryReason.Changed;
changedObjects.Add(deletedCustomer);
var deletedOrder = new EdmDeltaDeletedEntityObject(orderType);
deletedOrder.NavigationSource = ordersSet;
deletedOrder.Id = "12";
deletedOrder.Reason = DeltaDeletedEntryReason.Deleted;
changedObjects.Add(deletedOrder);
var deletedLink = new EdmDeltaDeletedLink(customerType);
deletedLink.Source = new Uri("http://localhost/odata/DeltaCustomers(1)");
deletedLink.Target = new Uri("http://localhost/odata/DeltaOrders(12)");
deletedLink.Relationship = "Orders";
changedObjects.Add(deletedLink);
var addedLink = new EdmDeltaLink(customerType);
addedLink.Source = new Uri("http://localhost/odata/DeltaCustomers(10)");
addedLink.Target = new Uri("http://localhost/odata/DeltaOrders(27)");
addedLink.Relationship = "Orders";
changedObjects.Add(addedLink);
return(Ok(changedObjects));
}
