/// <summary>
/// Re-publishes events from unpublished queue.
/// Uses <paramref name="formatter"/> to deserialize events from store.
/// </summary>
/// <param name="formatter">The event deserializer.</param>
/// <returns>The continuation task.</returns>
public async Task RecoverAsync(IDeserializer formatter)
{
IEnumerable <EventPublishingModel> models = await store.GetAsync();
foreach (EventPublishingModel model in models)
{
IEvent eventModel = formatter.DeserializeEvent(Type.GetType(model.Event.EventKey.Type), model.Event.Payload);
await RecoverEventAsync(eventModel, model.PublishedHandlerIdentifiers);
}
await store.ClearAsync();
}
/// <summary>
/// Pushlishes all events on the registered handlers using <see cref="Add"/>.
/// </summary>
/// <returns>The continuation task.</returns>
public async Task RunAsync()
{
// Use list of required event types to load events from store.
IEnumerable <string> eventTypes = eventDispatcher
.EnumerateEventTypes()
.Select(t => t.AssemblyQualifiedName);
IEnumerable <EventModel> eventData = await store.GetAsync(eventTypes);
IEnumerable <IEvent> events = eventData
.Where(IsFilterPassed)
.Select(e => deserializer.DeserializeEvent(Type.GetType(e.EventKey.Type), e.Payload));
// Replay events on handler(s).
foreach (IEvent payload in events)
{
await eventDispatcher.PublishAsync(payload);
}
}
/// <summary>
/// Re-publishes events from unpublished queue.
/// Uses <paramref name="formatter"/> to deserialize events from store.
/// </summary>
/// <param name="formatter">The event deserializer.</param>
/// <returns>The continuation task.</returns>
public async Task RecoverAsync(IDeserializer formatter)
{
Ensure.NotNull(formatter, "formatter");
log.Debug("Starting recovery.");
IEnumerable <EventPublishingModel> models = await store.GetAsync();
foreach (EventPublishingModel model in models)
{
IEvent eventModel = formatter.DeserializeEvent(Type.GetType(model.Event.EventKey.Type), model.Event.Payload);
log.Debug(eventModel, "Recovering an event.");
await RecoverEventAsync(eventModel, model.PublishedHandlerIdentifiers);
}
await store.ClearAsync();
log.Debug("Recovery finished.");
}