/// <summary>
/// Saves the given <paramref name="events" /> to the store.
/// </summary>
/// <param name="events">A list of events</param>
/// <param name="expectedVersion">The current version of the latest event for an aggregate</param>
public void Save(IEnumerable <IDomainEvent> events, int expectedVersion)
{
var eventList = events.ToList();
var firstEvent = eventList.FirstOrDefault();
if (firstEvent == null)
{
throw new EventStoreSaveException();
}
var aggregateId = firstEvent.AggregateId;
var aggregateType = firstEvent.AggregateType;
var newVersion = expectedVersion;
using (new TimeMeasure(ms => _performanceMeasurementService.CountCommit(eventList.Count, ms)))
{
if (expectedVersion != -1)
{
var lastVersion = GetEventsByAggregateId(aggregateId).Max(e => e.Version); //TODO: Performance-Optimization: Why loading all events and then only using the last
if (lastVersion != expectedVersion)
{
throw new ConcurrencyException();
}
}
foreach (var @event in eventList)
{
newVersion++;
@event.Version = newVersion;
}
_persistentEventStore.Add(eventList);
//Create snapshot
_eventBus.Publish(new AggregateSavedEvent(aggregateId, aggregateType, newVersion));
}
//Publish events
eventList.ForEach(e => _eventBus.Publish(e));
}
/// <summary>
/// Adds the given <paramref name="@event" /> to the internal storage
/// </summary>
/// <param name="event">The event</param>
public void Add(IDomainEvent @event)
{
_documentStoreCache.Add(@event);
_persistentEventStore.Add(@event);
}