public V2DynamoDbSagaRepository(IDynamoDBContext connection, DynamoDbEventStoreOptions options, KnownEventTypes knownTypes)
{
_connection = connection ?? throw new ArgumentNullException(nameof(connection));
_options = options ?? throw new ArgumentNullException(nameof(options));
_knownTypes = knownTypes ?? throw new ArgumentNullException(nameof(knownTypes));
if (TypeMapping.GetTypeName(typeof(V2EventSourcedSagaInstance.SagaInstanceTransitioned)).Contains("+"))
{
TypeMapping.Add <V2EventSourcedSagaInstance.SagaInstanceTransitioned>("SagaInstanceTransitioned");
}
}
public StateMachineSpecs(DynamoDbEventStoreFixture fixture)
{
_knownEventTypes = new KnownEventTypes();
_knownEventTypes.RegisterTypes(typeof(ProcessStarted), typeof(ProcessStopped), typeof(SomeStringAssigned));
_fixture = fixture;
_sagaId = Guid.NewGuid();
_harness = new InMemoryTestHarness();
_repository = new DynamoDbSagaRepository <Instance>(_fixture.Connection, _fixture.Options, _knownEventTypes);
_machine = new TestStateMachine();
_saga = _harness.StateMachineSaga(_machine, _repository);
TaskUtil.Await(StartHarness);
}
public bool TryGetSubscribers(KnownEventTypes eventType, out List <uint> subscribers)
{
subscribers = new List <uint>();
if (eventType != KnownEventTypes.Any &&
this.subscribersByEventType.TryGetValue(KnownEventTypes.Any.ToEventTypeString(), out var anySubscribers))
{
subscribers.AddRange(anySubscribers);
}
if (this.subscribersByEventType.TryGetValue(eventType.ToEventTypeString(), out var typeSubscribers))
{
subscribers.AddRange(typeSubscribers);
}
return(subscribers.Count > 0);
}
public DynamoDbSagaRepository(IDynamoDBContext connection, DynamoDbEventStoreOptions options, KnownEventTypes knownTypes)
{
_connection = connection ?? throw new ArgumentNullException(nameof(connection));
_knownTypes = knownTypes ?? throw new ArgumentNullException(nameof(knownTypes));
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
_configuration = new DynamoDBOperationConfig {
OverrideTableName = options.StoreName, Conversion = DynamoDBEntryConversion.V2
};
if (TypeMapping.GetTypeName(typeof(EventSourcedSagaInstance.SagaInstanceTransitioned)).Contains("+"))
{
TypeMapping.Add <EventSourcedSagaInstance.SagaInstanceTransitioned>("SagaInstanceTransitioned");
}
}
public async Task <bool> RaiseEventAsync(KnownEventTypes eventType, JRaw eventResultObject)
{
var context = this.activeRequestContext;
if (context.EventSubscriptionsProcessor.TryGetSubscribers(eventType, out var subscribers))
{
foreach (var id in subscribers)
{
await context.SendMessageAsync(new EventResultMessage()
{
Event = eventResultObject, Id = id
}, default);
}
return(true);
}
return(false);
}
/// <summary>
/// Converts a given <see cref="KnownEventTypes"/> to a snake case <see cref="string"/>.
/// </summary>
/// <param name="eventType">A <see cref="KnownEventTypes"/>.</param>
/// <returns>
/// The service as a <see cref="string"/>.
/// </returns>
public static string ToEventTypeString(this KnownEventTypes eventType)
{
return(knownEventTypesCache.AsString(eventType));
}
