/// <inheritdoc />
public override async Task WriteObjectAsync(object graph, Type type, ODataMessageWriter messageWriter, ODataSerializerContext writeContext)
{
if (messageWriter == null)
{
throw Error.ArgumentNull(nameof(messageWriter));
}
if (writeContext == null)
{
throw Error.ArgumentNull(nameof(writeContext));
}
if (graph == null)
{
throw new SerializationException(Error.Format(SRResources.CannotSerializerNull, DeltaFeed));
}
IEdmEntitySetBase entitySet = writeContext.NavigationSource as IEdmEntitySetBase;
if (entitySet == null)
{
throw new SerializationException(SRResources.EntitySetMissingDuringSerialization);
}
IEdmTypeReference feedType = writeContext.GetEdmType(graph, type);
Contract.Assert(feedType != null);
IEdmEntityTypeReference entityType = GetResourceType(feedType).AsEntity();
ODataWriter writer = await messageWriter.CreateODataDeltaResourceSetWriterAsync(entitySet, entityType.EntityDefinition())
.ConfigureAwait(false);
await WriteDeltaFeedInlineAsync(graph, feedType, writer, writeContext).ConfigureAwait(false);
}