public void PublishDomainUpdate(object[] events, DomainUpdateMetadate metadata)
{
if (_logger.IsDebugEnabled)
_logger.Debug("Publishing a domain update for " + metadata.AggregateType);
Publish(new DomainUpdateBusMessage
{
Events = events.Select(e => JsonSerializer.Serialize(e)).ToArray(),
Metadata = metadata
});
}
private void HandleDomainUpdate(object[] events, DomainUpdateMetadate metadata)
{
using (var scope = _container.BeginLifetimeScope())
{
var hook = scope.ResolveOptional<IDomainUpdateServiceBusHandlerHook>();
if (hook != null)
hook.PreHandle(events, metadata);
try
{
foreach (var @event in events)
{
if (hook != null)
hook.PreHandleEvent(@event, metadata);
var eventType = @event.GetType();
List<Type> handlerTypes;
if (_eventTypesWithHandlers.TryGetValue(eventType, out handlerTypes))
{
foreach (var handlerType in handlerTypes)
{
var handler = scope.Resolve(handlerType);
handler.AsDynamic().Handle(@event);
}
}
if (hook != null)
hook.PostHandleEvent(@event, metadata);
}
if (hook != null)
hook.PostHandle(events, metadata);
}
catch (Exception ex)
{
if (hook != null)
hook.Exception(ex, events, metadata);
throw;
}
}
}
public void FromEventStore()
{
_mongo.GetDatabase()
.Drop();
RegisterHandlers(typeof(Rebuild).Assembly);
foreach (var commit in _eventStore.Advanced.GetFrom(DateTime.MinValue)
.OrderBy(c => c.CommitStamp))
{
var metadata = new DomainUpdateMetadate
{
AggregateId = Guid.Parse(commit.Headers[AggregateRootMetadata.AggregateIdHeader] as string),
AggregateType = commit.Headers[AggregateRootMetadata.AggregateTypeHeader] as string,
Tenant = commit.Headers[AggregateRootMetadata.TenantHeader] as string,
ApplicationService = "Rebuilder",
LastVersion = commit.StreamRevision
};
HandleDomainUpdate(commit.Events.Select(e => e.Body).ToArray(), metadata);
}
}
public void Exception(System.Exception ex, object[] events, DomainUpdateMetadate metadata)
{
}
public void PostHandleEvent(object @event, DomainUpdateMetadate metadata)
{
}
public void PostHandle(object[] events, DomainUpdateMetadate metadata)
{
}
public void PreHandle(object[] events, DomainUpdateMetadate metadata)
{
_tenantContext.SetTenantId(metadata.Tenant);
}
