public RoadRegistryContext(EventSourcedEntityMap map, IStreamStore store,
IRoadNetworkSnapshotReader snapshotReader, JsonSerializerSettings settings, EventMapping mapping)
{
RoadNetworks = new RoadNetworks(map, store, snapshotReader, settings, mapping);
RoadNetworkChangesArchives = new RoadNetworkChangesArchives(map, store, settings, mapping);
Organizations = new Organizations(map, store, settings, mapping);
}
public RoadNetworkChangesArchives(EventSourcedEntityMap map, IStreamStore store, JsonSerializerSettings settings, EventMapping mapping)
{
_map = map ?? throw new ArgumentNullException(nameof(map));
_store = store ?? throw new ArgumentNullException(nameof(store));
_settings = settings ?? throw new ArgumentNullException(nameof(settings));
_mapping = mapping ?? throw new ArgumentNullException(nameof(mapping));
}
public RoadNetworks(EventSourcedEntityMap map, IStreamStore store, IRoadNetworkSnapshotReader snapshotReader,
JsonSerializerSettings settings, EventMapping mapping)
{
_map = map ?? throw new ArgumentNullException(nameof(map));
_store = store ?? throw new ArgumentNullException(nameof(store));
_settings = settings ?? throw new ArgumentNullException(nameof(settings));
_mapping = mapping ?? throw new ArgumentNullException(nameof(mapping));
_snapshotReader = snapshotReader ?? throw new ArgumentNullException(nameof(snapshotReader));
}
public static ICommandHandlerBuilder <IRoadRegistryContext, TCommand> UseRoadRegistryContext <TCommand>(
this ICommandHandlerBuilder <TCommand> builder, IStreamStore store, IRoadNetworkSnapshotReader snapshotReader, EventEnricher enricher)
{
if (store == null)
{
throw new ArgumentNullException(nameof(store));
}
if (snapshotReader == null)
{
throw new ArgumentNullException(nameof(snapshotReader));
}
if (enricher == null)
{
throw new ArgumentNullException(nameof(enricher));
}
return(builder.Pipe <IRoadRegistryContext>(next => async(message, ct) =>
{
var map = new EventSourcedEntityMap();
var context = new RoadRegistryContext(map, store, snapshotReader, SerializerSettings, EventMapping);
await next(context, message, ct);
foreach (var entry in map.Entries)
{
var events = entry.Entity.TakeEvents();
if (events.Length != 0)
{
var messageId = message.MessageId.ToString("N");
var version = entry.ExpectedVersion;
Array.ForEach(events, @event => enricher(@event));
var messages = Array.ConvertAll(
events,
@event =>
new NewStreamMessage(
Deterministic.Create(Deterministic.Namespaces.Events,
$"{messageId}-{version++}"),
EventMapping.GetEventName(@event.GetType()),
JsonConvert.SerializeObject(@event, SerializerSettings)
));
await store.AppendToStream(entry.Stream, entry.ExpectedVersion, messages, ct);
}
}
}
));
}
