public static QueueAsync <RtmSubscriptionData> CreateSubscriptionDataQueue(this ISubscriptionEventSource source)
{
var queue = new QueueAsync <RtmSubscriptionData>();
source.SetSubscriptionDataQueue(queue);
return(queue);
}
public static void SetSubscribeUnsubscribeErrorObserver(this ISubscriptionEventSource source, IObservableSink <string> observer)
{
source.OnSubscribeError += (_, exn) =>
{
if (exn is PduException)
{
var pduExn = (PduException)exn;
observer.Next($"rtm:subscribe-error:{exn.GetType().Name}:{pduExn.Error?.Code}");
}
else
{
observer.Next($"rtm:subscribe-error:{exn.GetType().Name}");
}
};
source.OnUnsubscribeError += (_, exn) =>
{
if (exn is PduException)
{
var pduExn = (PduException)exn;
observer.Next($"rtm:unsubscribe-error:{exn.GetType().Name}:{pduExn.Error?.Code}");
}
else
{
observer.Next($"rtm:unsubscribe-error:{exn.GetType().Name}");
}
};
}
public static void SetSubscriptionDataQueue(
this ISubscriptionEventSource source,
IObservableSink <RtmSubscriptionData> observer)
{
source.OnSubscriptionData += (_, data) =>
{
observer.Next(data);
};
}
public static void SetSubscriptionStateObserver(this ISubscriptionEventSource source, IObservableSink <string> observer)
{
source.OnCreated += (_) => { observer.Next("rtm:created"); };
source.OnEnterUnsubscribed += (_) => { observer.Next("rtm:enter-unsubscribed"); };
source.OnLeaveUnsubscribed += (_) => { observer.Next("rtm:leave-unsubscribed"); };
source.OnEnterSubscribing += (_, r) => { observer.Next("rtm:enter-subscribing"); };
source.OnLeaveSubscribing += (_) => { observer.Next("rtm:leave-subscribing"); };
source.OnEnterSubscribed += (_) => { observer.Next("rtm:enter-subscribed"); };
source.OnLeaveSubscribed += (_) => { observer.Next("rtm:leave-subscribed"); };
source.OnEnterUnsubscribing += (_) => { observer.Next("rtm:enter-unsubscribing"); };
source.OnLeaveUnsubscribing += (_) => { observer.Next("rtm:leave-unsubscribing"); };
source.OnDeleted += (_) => { observer.Next("rtm:deleted"); };
source.OnEnterFailed += (_) => { observer.Next("rtm:enter-failed"); };
source.OnLeaveFailed += (_) => { observer.Next("rtm:leave-failed"); };
}
private static EventStoreSubscriptions SampleSubscriptions()
{
var sources = new ISubscriptionEventSource[]
{
new MsSqlEventSource(new JilSerializer(), connectionString, 1000),
// new SomeApiEventSource()
};
return(new EventStoreSubscriptions(new MsSqlPollerStateRepository(connectionString).Destroy(true).Initialize())
.WithDefaultContractsRegistry(typeof(SampleRunner).Assembly, typeof(MsSqlEventSource).Assembly)
.WithLogger(new NLogLogger("Ses.Subscriptions"))
.WithUpConverterFactory(new DefaultUpConverterFactory(typeof(SampleRunner).Assembly))
.Add(new ProjectionsSubscriptionPoller(sources))
.Add(new ProcessManagersSubscriptionPoller(sources))
.Add(new EmailSenderSubscriptionPoller(sources)));
}
public static void SetSubscriptionPduObserver(this ISubscriptionEventSource source, IObservableSink <string> observer)
{
source.OnSubscriptionData += (_, pdu) =>
{
foreach (var m in pdu.Messages)
{
observer.Next($"rtm:subscription-data:{m?.ToString()}");
}
};
source.OnSubscriptionInfo += (_, pdu) =>
{
observer.Next($"rtm:subscription-info:{pdu.Info}");
};
source.OnSubscriptionError += (_, pdu) =>
{
observer.Next($"rtm:subscription-error:{pdu.Code}");
};
}
private static long GetMinSequenceIdFor(IContractsRegistry contractsRegistry, List <PollerState> pollerStates, ISubscriptionEventSource source)
{
var sourceContractName = contractsRegistry.GetContractName(source.GetType());
long?min = null;
foreach (var x in pollerStates)
{
if (x.SourceContractName != sourceContractName)
{
continue;
}
if (min == null || min > x.EventSequenceId)
{
min = x.EventSequenceId;
}
}
return(min ?? 0);
}
