/// <summary>
/// Get all <see cref="IEvent{TAuthenticationToken}"/> instances for the given <paramref name="correlationId"/>.
/// </summary>
/// <param name="correlationId">The <see cref="IMessage.CorrelationId"/> of the <see cref="IEvent{TAuthenticationToken}"/> instances to retrieve.</param>
public override IEnumerable <EventData> Get(Guid correlationId)
{
if (!EventStoreByCorrelationId.Contains(correlationId.ToString("N")))
{
Logger.LogDebug(string.Format("The event store has no items by the correlationId '{0:N}'.", correlationId));
return(Enumerable.Empty <EventData>());
}
CacheItem item = EventStoreByCorrelationId.GetCacheItem(correlationId.ToString("N"));
if (item == null)
{
Logger.LogDebug(string.Format("The event store had some items by the correlationId '{0:N}' but doesn't now.", correlationId));
return(Enumerable.Empty <EventData>());
}
var events = item.Value as IEnumerable <EventData>;
if (events == null)
{
if (item.Value == null)
{
Logger.LogDebug(string.Format("The event store had some items by the correlationId '{0:N}' but it was null.", correlationId));
}
else
{
Logger.LogWarning(string.Format("The event store had some items by the correlationId '{0:N}' but it was of type {1}.", correlationId, item.Value.GetType()));
}
return(Enumerable.Empty <EventData>());
}
IEnumerable <EventData> query = events.OrderBy(eventData => eventData.Timestamp);
return(query.ToList());
}
/// <summary>
/// Persist the provided <paramref name="eventData"/> into storage.
/// </summary>
/// <param name="eventData">The <see cref="EventData"/> to persist.</param>
protected override void PersistEvent(EventData eventData)
{
IList <EventData> events = new List <EventData>();
// By correlationId first
Guid correlationId = eventData.CorrelationId;
object item = EventStoreByCorrelationId.AddOrGetExisting(correlationId.ToString("N"), events, GetDetaultCacheItemPolicy());
if (item != null)
{
events = item as IList <EventData>;
if (events == null)
{
Logger.LogWarning(string.Format("The event store had some items by the correlationId '{0:N}' but it doesn't now.", correlationId));
throw new Exception(string.Format("The event store had some items by the correlationId '{0:N}' but it doesn't now.", correlationId));
}
}
events.Add(eventData);
// Reset the variable for it's next usage
events = new List <EventData>();
// By type next
string streamName = eventData.AggregateId;
item = EventStoreByType.AddOrGetExisting(streamName, events, GetDetaultCacheItemPolicy());
if (item != null)
{
events = item as IList <EventData>;
if (events == null)
{
Logger.LogWarning(string.Format("The event store had an item by id '{0}' but it doesn't now.", streamName));
throw new Exception(string.Format("The event store had an item by id '{0}' but it doesn't now.", streamName));
}
}
events.Add(eventData);
}
