/// <summary>
/// Converts a list of CosmosElements into a list of objects.
/// </summary>
/// <param name="cosmosElements">The cosmos elements</param>
/// <param name="jsonSerializer">The JSON </param>
/// <param name="cosmosSerializationOptions">The custom serialization options. This allows custom serialization types like BSON, JSON, or other formats</param>
/// <returns>Returns a memory stream of cosmos elements. By default the memory stream will contain JSON.</returns>
internal static IEnumerable <T> Deserialize <T>(
IEnumerable <CosmosElement> cosmosElements,
CosmosJsonSerializer jsonSerializer,
CosmosSerializationOptions cosmosSerializationOptions = null)
{
if (!cosmosElements.Any())
{
return(Enumerable.Empty <T>());
}
Stream stream = CosmosElementSerializer.ToStream(cosmosElements, cosmosSerializationOptions);
IEnumerable <T> typedResults = jsonSerializer.FromStream <List <T> >(stream);
return(typedResults);
}
private Task DispatchChangesAsync(CosmosResponseMessage response, CancellationToken cancellationToken)
{
ChangeFeedObserverContext context = new ChangeFeedObserverContextCore <T>(this.settings.LeaseToken, response, this.checkpointer);
Collection <T> asFeedResponse;
try
{
asFeedResponse = cosmosJsonSerializer.FromStream <CosmosFeedResponseUtil <T> >(response.Content).Data;
}
catch (Exception serializationException)
{
// Error using custom serializer to parse stream
throw new ObserverException(serializationException);
}
List <T> asReadOnlyList = new List <T>(asFeedResponse.Count);
asReadOnlyList.AddRange(asFeedResponse);
return(this.observer.ProcessChangesAsync(context, asReadOnlyList, cancellationToken));
}
/// <summary>
/// Converts a list of CosmosElements into a list of objects.
/// </summary>
/// <param name="containerRid">Container Rid</param>
/// <param name="cosmosElements">The cosmos elements</param>
/// <param name="resourceType">The resource type</param>
/// <param name="jsonSerializer">The JSON </param>
/// <param name="cosmosSerializationOptions">The custom serialization options. This allows custom serialization types like BSON, JSON, or other formats</param>
/// <returns>Returns a list of deserialized objects</returns>
internal static IEnumerable <T> Deserialize <T>(
string containerRid,
IEnumerable <CosmosElement> cosmosElements,
ResourceType resourceType,
CosmosJsonSerializer jsonSerializer,
CosmosSerializationOptions cosmosSerializationOptions = null)
{
if (!cosmosElements.Any())
{
return(Enumerable.Empty <T>());
}
Stream stream = CosmosElementSerializer.ToStream(
containerRid,
cosmosElements,
resourceType,
cosmosSerializationOptions);
IEnumerable <T> typedResults = jsonSerializer.FromStream <CosmosFeedResponseUtil <T> >(stream).Data;
return(typedResults);
}
