/// <inheritdoc />
protected override IActorRef CreateConsumerActor()
{
var partitionsAssignedHandler = GetAsyncCallback <IEnumerable <TopicPartition> >(PartitionsAssigned);
var partitionsRevokedHandler = GetAsyncCallback <IEnumerable <TopicPartitionOffset> >(PartitionsRevoked);
IPartitionEventHandler internalHandler = new PartitionEventHandlers.AsyncCallbacks(partitionsAssignedHandler, partitionsRevokedHandler);
// If custom partition events handler specified - add it to the chain
var eventHandler = _subscription is IAutoSubscription autoSubscription && autoSubscription.PartitionEventsHandler.HasValue
? new PartitionEventHandlers.Chain(autoSubscription.PartitionEventsHandler.Value, internalHandler)
: internalHandler;
IStatisticsHandler statisticsHandler = _subscription.StatisticsHandler.HasValue
? _subscription.StatisticsHandler.Value
: new StatisticsHandlers.Empty();
// This allows to override partition events handling by subclasses
eventHandler = AddToPartitionAssignmentHandler(eventHandler);
if (!(Materializer is ActorMaterializer actorMaterializer))
{
throw new ArgumentException($"Expected {typeof(ActorMaterializer)} but got {Materializer.GetType()}");
}
var extendedActorSystem = actorMaterializer.System.AsInstanceOf <ExtendedActorSystem>();
var actor = extendedActorSystem.SystemActorOf(KafkaConsumerActorMetadata.GetProps(SourceActor.Ref, _settings, eventHandler, statisticsHandler),
$"kafka-consumer-{_actorNumber}");
return(actor);
}
public MainWindow(ISearchHandler searchHandler, IStatisticsHandler statisticsHandler,
IServiceProvider serviceProvider)
{
InitializeComponent();
_searchHandler = searchHandler;
_statisticsHandler = statisticsHandler;
_serviceProvider = serviceProvider;
}
/// <summary>
/// KafkaConsumerActor
/// </summary>
/// <param name="owner">Owner actor to send critical failures to</param>
/// <param name="settings">Consumer settings</param>
/// <param name="statisticsHandler">Statistics handler</param>
/// <param name="partitionEventHandler">Partion events handler</param>
public KafkaConsumerActor(IActorRef owner, ConsumerSettings <K, V> settings, IPartitionEventHandler partitionEventHandler, IStatisticsHandler statisticsHandler)
{
_owner = owner;
_settings = settings;
_statisticsHandler = statisticsHandler;
_partitionEventHandler = partitionEventHandler;
var restrictedConsumerTimeoutMs = Math.Round(_settings.PartitionHandlerWarning.TotalMilliseconds * 0.95);
_restrictedConsumer = new RestrictedConsumer <K, V>(_consumer, TimeSpan.FromMilliseconds(restrictedConsumerTimeoutMs));
_warningDuration = _settings.PartitionHandlerWarning;
_pollMessage = new Internal.Poll <K, V>(this, periodic: true);
_delayedPollMessage = new Internal.Poll <K, V>(this, periodic: false);
_log = Context.GetLogger();
}
public StatisticsProcessor(IStatisticsData statisticsData, IStatisticsHandler statisticsHandler)
: this()
{
this.statisticsData = statisticsData;
this.statisticsHandler = statisticsHandler;
}
public SearchTermStatisticsWindow(IStatisticsHandler statisticsHandler)
{
InitializeComponent();
_statisticsHandler = statisticsHandler;
SetContext();
}
/// <summary> /// Gets actor props /// </summary> internal static Props GetProps <K, V>(IActorRef owner, ConsumerSettings <K, V> settings, Decider decider, IPartitionEventHandler handler, IStatisticsHandler statisticsHandler) => Props.Create(() => new KafkaConsumerActor <K, V>(owner, settings, decider, handler, statisticsHandler)).WithDispatcher(settings.DispatcherId);
/// <summary>
///
/// </summary>
/// <param name="ConsumerBuilder<K"></param>
/// <param name="builder"></param>
/// <param name="handler"></param>
/// <typeparam name="K"></typeparam>
/// <typeparam name="V"></typeparam>
/// <returns></returns>
public static void HandleStatistics <K, V>(this ConsumerBuilder <K, V> builder, IStatisticsHandler handler)
{
builder.SetStatisticsHandler((_, json) =>
{
var statistics = JsonConvert.DeserializeObject <Statistics>(json);
handler.Publish(statistics);
});
}
/// <inheritdoc />
public ISubscription WithStatisticsHandler(IStatisticsHandler statisticsHandler)
{
StatisticsHandler = new Option <IStatisticsHandler>(statisticsHandler);
return(this);
}
/// <summary> /// Gets actor props /// </summary> internal static Props GetProps <K, V>(ConsumerSettings <K, V> settings, IPartitionEventHandler handler, IStatisticsHandler statisticsHandler) => Props.Create(() => new KafkaConsumerActor <K, V>(ActorRefs.Nobody, settings, handler, statisticsHandler)).WithDispatcher(settings.DispatcherId);
public CharacterStatistecsWindow(IStatisticsHandler statisticsHandler)
{
InitializeComponent();
_statisticsHandler = statisticsHandler;
SetContext();
}