public async Task UpdateReadStoresAsync(
IReadOnlyCollection <IDomainEvent> domainEvents,
CancellationToken cancellationToken)
{
var relevantDomainEvents = domainEvents
.Where(e => AggregateEventTypes.Contains(e.EventType))
.ToList();
if (!relevantDomainEvents.Any())
{
Log.Verbose(() => string.Format(
"None of these events was relevant for read model '{0}', skipping update: {1}",
ReadModelType.Name,
string.Join(", ", domainEvents.Select(e => e.EventType.Name))
));
return;
}
Log.Verbose(() => string.Format(
"Updating read model '{0}' in store '{1}' with these events: {2}",
typeof(TReadModel).PrettyPrint(),
typeof(TReadModelStore).PrettyPrint(),
string.Join(", ", relevantDomainEvents.Select(e => e.ToString()))));
var readModelContext = new ReadModelContext();
var readModelUpdates = BuildReadModelUpdates(relevantDomainEvents);
await ReadModelStore.UpdateAsync(
readModelUpdates,
readModelContext,
UpdateAsync,
cancellationToken)
.ConfigureAwait(false);
}
public async Task UpdateReadStoresAsync(
IReadOnlyCollection <IDomainEvent> domainEvents,
CancellationToken cancellationToken)
{
var relevantDomainEvents = domainEvents
.Where(e => AggregateEventTypes.Contains(e.EventType))
.ToList();
if (!relevantDomainEvents.Any())
{
if (Logger.IsEnabled(LogLevel.Trace))
{
Logger.LogTrace(
"None of these events was relevant for read model {ReadModelType}, skipping update: {DomainEventTypes}",
StaticReadModelType.PrettyPrint(),
domainEvents.Select(e => e.EventType.PrettyPrint()).ToList());
}
return;
}
if (Logger.IsEnabled(LogLevel.Trace))
{
Logger.LogTrace(
"Updating read model {ReadModelType} in store {ReadModelStoreType} with these events: {DomainEventTypes}",
StaticReadModelType.PrettyPrint(),
typeof(TReadModelStore).PrettyPrint(),
relevantDomainEvents.Select(e => e.ToString()));
}
var contextFactory = new ReadModelContextFactory(ServiceProvider);
var readModelUpdates = BuildReadModelUpdates(relevantDomainEvents);
if (!readModelUpdates.Any())
{
if (Logger.IsEnabled(LogLevel.Trace))
{
Logger.LogTrace(
"No read model updates after building for read model {ReadModelType} in store {ReadModelStoreType} with these events: {DomainEventTypes}",
StaticReadModelType.PrettyPrint(),
typeof(TReadModelStore).PrettyPrint(),
relevantDomainEvents.Select(e => e.ToString()).ToList());
}
return;
}
await ReadModelStore.UpdateAsync(
readModelUpdates,
contextFactory,
UpdateAsync,
cancellationToken)
.ConfigureAwait(false);
}