protected override void Configure(SagaConfiguration saga)
{
saga.CanStartWith((FakeEvent e) => Guid.Empty);
saga.CanStartWith((AlternateFakeEvent e) => Guid.Empty);
saga.CanStartWith((DerivedFakeEvent e) => Guid.Empty);
saga.CanHandle((Timeout e) => Guid.Empty);
}
protected override void Configure(SagaConfiguration saga)
{
saga.CanStartWith((MoneyTransferSent e) => e.TransferId);
saga.CanStartWith((MoneyTransferReceived e) => e.TransferId);
saga.CanHandle((MoneyTransferRefunded e) => e.TransferId);
saga.CanHandle((MoneyTransferFailed e) => e.TransferId);
saga.CanHandle((Timeout e) => e.CorrelationId);
}
public void EventMarkedAsInitiatingEvent()
{
var configuration = new SagaConfiguration(typeof(FakeSaga));
configuration.CanStartWith((FakeEvent e) => e.Id);
Assert.True(configuration.GetMetadata().CanStartWith(typeof(FakeEvent)));
}
public void ReturnFalseIfSagaCannotStartWithEventType()
{
var configuration = new SagaConfiguration(typeof(FakeSaga));
configuration.CanHandle((FakeHandledEvent e) => e.Id);
Assert.False(configuration.GetMetadata().CanHandle(typeof(FakeUnhandledEvent)));
}
public void ReturnTrueIfSagaCanStartWithEventType()
{
var configuration = new SagaConfiguration(typeof(FakeSaga));
configuration.CanStartWith((FakeInitiatingEvent e) => e.Id);
Assert.True(configuration.GetMetadata().CanStartWith(typeof(FakeInitiatingEvent)));
}
public void ReturnTrueIfSagaCanStartWithEventType()
{
var configuration = new SagaConfiguration(typeof(FakeSaga));
configuration.CanStartWith((FakeInitiatingEvent e) => e.Id);
Assert.True(configuration.GetMetadata().CanStartWith(typeof(FakeInitiatingEvent)));
}
public void ReturnFalseIfSagaCannotStartWithEventType()
{
var configuration = new SagaConfiguration(typeof(FakeSaga));
configuration.CanHandle((FakeHandledEvent e) => e.Id);
Assert.False(configuration.GetMetadata().CanHandle(typeof(FakeUnhandledEvent)));
}
public void EventMarkedAsInitiatingEvent()
{
var configuration = new SagaConfiguration(typeof(FakeSaga));
configuration.CanHandle((FakeEvent e) => e.Id);
Assert.True(configuration.GetMetadata().CanHandle(typeof(FakeEvent)));
}
public WhenGettingEventCorrelationId()
{
var configuration = new SagaConfiguration(typeof(FakeSaga));
configuration.CanStartWith((FakeInitiatingEvent e) => e.Id);
configuration.CanHandle((FakeHandledEvent e) => e.Id);
sagaMetadata = configuration.GetMetadata();
}
public WhenGettingEventCorrelationId()
{
var configuration = new SagaConfiguration(typeof(FakeSaga));
configuration.CanStartWith((FakeInitiatingEvent e) => e.Id);
configuration.CanHandle((FakeHandledEvent e) => e.Id);
sagaMetadata = configuration.GetMetadata();
}
protected override IContainerConfiguration CreateConfiguration()
{
return(new CustomContainerConfiguration(
c => base.CreateConfiguration().Register(c),
c => c.Register(SagaConfiguration.Instance <SoftwareProgrammingSaga,
SoftwareProgrammingSagaData,
SoftwareProgrammingSagaFactory,
GotTiredEvent,
SleptWellEvent>(SoftwareProgrammingSaga.Descriptor,
() => new SnapshotsPersistencePolicy(TimeSpan.FromSeconds(10), 2)))));
}
public void CanRegisterEventTypeOnlyOnce()
{
var configuration = new SagaConfiguration(typeof(FakeSaga));
configuration.CanStartWith((FakeEvent e) => e.Id);
Assert.Equal(
Exceptions.EventTypeAlreadyConfigured.FormatWith(typeof(FakeSaga), typeof(FakeEvent)),
Assert.Throws <ArgumentException>(() => configuration.CanHandle((FakeEvent e) => e.Id)).Message
);
}
public void CanRegisterEventTypeOnlyOnce()
{
var configuration = new SagaConfiguration(typeof(FakeSaga));
configuration.CanStartWith((FakeEvent e) => e.Id);
Assert.Equal(
Exceptions.EventTypeAlreadyConfigured.FormatWith(typeof(FakeSaga), typeof(FakeEvent)),
Assert.Throws<ArgumentException>(() => configuration.CanHandle((FakeEvent e) => e.Id)).Message
);
}
protected override IContainerConfiguration CreateConfiguration()
{
return(new CustomContainerConfiguration(
base.CreateConfiguration(),
SagaConfiguration.State <SoftwareProgrammingSaga,
SoftwareProgrammingSagaState,
SoftwareProgrammingSagaFactory,
GotTiredEvent>
(SoftwareProgrammingSaga.Descriptor,
() => new SnapshotsPersistencePolicy(TimeSpan.FromSeconds(10), 2, 3),
SoftwareProgrammingSagaState.FromSnapshot)));
}
public Worker(ILogger <Worker> logger, IConfiguration cfg, IHostEnvironment env)
{
this.logger = logger;
var appUrl = cfg.GetValue <string>("AppUrl");
var persistenceUrl = cfg.GetValue <string>("PersistenceUrl");
var isDev = env.IsDevelopment();
this.appClient = new AppClient(appUrl);
this.persistence = new PersistenceClient(persistenceUrl, new PaymentEventUpdater());
Func <TEvent, Task <ActionStatus> > Protect <TEvent>(Func <TEvent, Task <ActionStatus> > action) where TEvent : Event
=> SagaUtil.Protect(action, this.errors);
var shopping = new SagaConfiguration("Shopping")
.OnEvent(Protect((OrderCheckedOut evn) => appClient.Pay(evn.StreamId, evn.CorrelationId)))
.OnEvent(Protect((PaymentRequested evn) => appClient.FinalizePayment(evn.StreamId, evn.CorrelationId, evn.Total, evn.Description)))
.OnEvent(Protect((PaymentCompleted evn) => appClient.Dispatch(evn.OrderStreamId, evn.StreamId, evn.CorrelationId)))
.EndOnEvent <PaymentCancelled>()
.EndOnEvent <OrderDispatched>();
this.saga = new Saga.Saga(shopping, persistence, this.logger);
}
protected override void Configure(SagaConfiguration saga)
{
saga.CanHandle((FakeEvent e) => e.Id);
}
/// <summary>
/// Gets the saga metadata for this saga instance.
/// </summary>
/// <remarks>Called once during saga discovery.</remarks>
internal SagaMetadata GetMetadata()
{
Type sagaType = GetType();
SagaMetadata sagaMetadata;
if (!SagaMetadataCache.TryGetValue(sagaType, out sagaMetadata))
{
var configuration = new SagaConfiguration(GetType());
Configure(configuration);
SagaMetadataCache[sagaType] = sagaMetadata = configuration.GetMetadata();
}
return sagaMetadata;
}
/// <summary> /// Configure the saga event handling for this saga type. /// </summary> /// <param name="saga">The saga configuration instance used to collect saga metadata.</param> protected abstract void Configure(SagaConfiguration saga);
protected override void Configure(SagaConfiguration saga)
{
saga.CanStartWith(((FakeInitiatingEvent e) => e.Id));
saga.CanHandle(((FakeHandledEvent e) => e.Id));
}
protected override void Configure(SagaConfiguration saga)
{
saga.CanStartWith(((FakeInitiatingEvent e) => e.Id));
saga.CanHandle(((FakeHandledEvent e) => e.Id));
}
protected override void Configure(SagaConfiguration saga)
{
saga.CanStartWith((FakeEvent e) => e.Id);
saga.CanHandle((Timeout e) => e.CorrelationId);
}
protected override void Configure(SagaConfiguration saga)
{
saga.CanStartWith((MoneyTransferSent e) => e.TransferId);
saga.CanStartWith((MoneyTransferReceived e) => e.TransferId);
saga.CanHandle((MoneyTransferRefunded e) => e.TransferId);
saga.CanHandle((MoneyTransferFailed e) => e.TransferId);
saga.CanHandle((Timeout e) => e.CorrelationId);
}
protected override void Configure(SagaConfiguration saga)
{
saga.CanStartWith((FakeEvent e) => e.Id);
}
protected override void Configure(SagaConfiguration saga)
{
saga.CanHandle((FakeEvent e) => e.Id);
}
public void ResolverCannotBeNull()
{
var configuration = new SagaConfiguration(typeof(FakeSaga));
Assert.Throws<ArgumentNullException>(() => configuration.CanHandle(default(Func<FakeEvent, Guid>)));
}
protected override void Configure(SagaConfiguration saga)
{
saga.CanStartWith((FakeEvent e) => Guid.Empty);
saga.CanStartWith((AlternateFakeEvent e) => Guid.Empty);
saga.CanStartWith((DerivedFakeEvent e) => Guid.Empty);
saga.CanHandle((Timeout e) => Guid.Empty);
}
protected override void Configure(SagaConfiguration saga)
{
}
protected override void Configure(SagaConfiguration saga)
{
}
protected override void Configure(SagaConfiguration saga)
{
saga.CanStartWith((FakeEvent e) => e.Id);
saga.CanHandle((Timeout e) => e.CorrelationId);
}
protected override void Configure(SagaConfiguration saga)
{
saga.CanStartWith((FakeEvent e) => e.Id);
}
public void ResolverCannotBeNull()
{
var configuration = new SagaConfiguration(typeof(FakeSaga));
Assert.Throws <ArgumentNullException>(() => configuration.CanHandle(default(Func <FakeEvent, Guid>)));
}
