public ChangeFeedService(
CosmosDBStreamConfigurator configurator,
IServiceProvider serviceProvider,
IGrainIdentity id,
IOptions <SiloOptions> siloOptions,
Silo silo,
ILoggerFactory loggerFactory)
: base(id, silo, loggerFactory)
{
this._logger = loggerFactory.CreateLogger <ChangeFeedService>();
var processor = new List <IProcessor>();
foreach (var setting in configurator.Settings)
{
processor.Add(ChangeFeedProcessor.Create(
setting.Key,
siloOptions.Value.SiloName,
setting.Value.Options,
serviceProvider,
TaskScheduler.Current,
(IStreamMapper)ActivatorUtilities.CreateInstance(serviceProvider, setting.Value.MapperType)
));
}
this._processors = processor;
}
/// <summary>
/// Register CosmosDB Change feed stream provider to Orleans runtime.
/// </summary>
/// <param name="configure">Configuration builder delegate</param>
public static ISiloBuilder AddCosmosDBStreaming(this ISiloBuilder siloBuilder, Action <CosmosDBStreamConfigurator> configure)
{
if (configure == null)
{
throw new ArgumentNullException(nameof(configure));
}
var configurator = new CosmosDBStreamConfigurator();
configure.Invoke(configurator);
foreach (var config in configurator.Settings)
{
siloBuilder.AddSimpleMessageStreamProvider(config.Key);
}
return(siloBuilder
.Configure(configure)
.AddGrainService <ChangeFeedService>()
.ConfigureServices(services => services.AddSingleton <CosmosDBStreamConfigurator>(configurator))
.ConfigureApplicationParts(parts => parts.AddApplicationPart(typeof(ChangeFeedService).Assembly).WithReferences()));
}