public static EventActivityBinder <Book, BookAdded> CopyDataToInstance(this EventActivityBinder <Book, BookAdded> binder)
{
return(binder.Then(x =>
{
x.Instance.DateAdded = x.Data.Timestamp.Date;
x.Instance.Title = x.Data.Title;
x.Instance.Isbn = x.Data.Isbn;
}));
}
/// <summary>
/// Use when a request is received after the initial request is still awaiting completion
/// </summary>
/// <param name="binder"></param>
/// <typeparam name="T"></typeparam>
/// <returns></returns>
public static EventActivityBinder <FutureState, T> AddSubscription <T>(this EventActivityBinder <FutureState, T> binder)
where T : class
{
return(binder.Then(context =>
{
ConsumeEventContext <FutureState, T> consumeContext = context.CreateConsumeContext();
context.Instance.AddSubscription(consumeContext.ResponseAddress, consumeContext.RequestId);
}));
}
/// <summary>
/// Use when a request is received after the initial request is still awaiting completion
/// </summary>
/// <param name="binder"></param>
/// <typeparam name="T"></typeparam>
/// <returns></returns>
public static EventActivityBinder <FutureState, T> AddSubscription <T>(this EventActivityBinder <FutureState, T> binder)
where T : class
{
return(binder.Then(context =>
{
FutureConsumeContext <T> consumeContext = context.CreateFutureConsumeContext(context.Data);
consumeContext.AddSubscription();
}));
}
/// <summary>
/// Initialize the FutureState properties of the request
/// </summary>
/// <param name="binder"></param>
/// <typeparam name="T"></typeparam>
/// <returns></returns>
public static EventActivityBinder <FutureState, T> InitializeFuture <T>(this EventActivityBinder <FutureState, T> binder)
where T : class
{
return(binder
.Then(context =>
{
context.Instance.Created = DateTime.UtcNow;
context.Instance.Request = new FutureMessage <T>(context.Data);
context.Instance.Location = new FutureLocation(context.Instance.CorrelationId, context.CreateConsumeContext().ReceiveContext.InputAddress);
})
.AddSubscription());
}
/// <summary>
/// Set the result associated with the identifier using the message factory
/// </summary>
/// <param name="binder"></param>
/// <param name="messageFactory">Should return the result message</param>
/// <typeparam name="TResult">The result type</typeparam>
/// <returns></returns>
public static EventActivityBinder <FutureState, RoutingSlipFaulted> SetFault <TResult>(this EventActivityBinder <FutureState, RoutingSlipFaulted> binder,
FutureMessageFactory <RoutingSlipFaulted, TResult> messageFactory)
where TResult : class
{
return(binder.Then(context =>
{
FutureConsumeContext <RoutingSlipFaulted> consumeContext = context.CreateFutureConsumeContext();
var resultId = consumeContext.Message.TrackingNumber;
consumeContext.SetFault(resultId, messageFactory);
}));
}
public static EventActivityBinder <JobSaga, JobSubmitted> InitializeJob(this EventActivityBinder <JobSaga, JobSubmitted> binder)
{
return(binder.Then(context =>
{
context.Instance.Submitted = context.Data.Timestamp;
context.Instance.Job = context.Data.Job;
context.Instance.ServiceAddress = context.GetPayload <ConsumeContext>().SourceAddress;
context.Instance.JobTimeout = context.Data.JobTimeout;
context.Instance.JobTypeId = context.Data.JobTypeId;
context.Instance.AttemptId = NewId.NextGuid();
}));
}
/// <summary>
/// Set the result associated with the identifier using the message factory
/// </summary>
/// <param name="binder"></param>
/// <param name="getResultId">Should return the result identifier</param>
/// <param name="messageFactory">Should return the result message</param>
/// <typeparam name="T">The event type</typeparam>
/// <typeparam name="TResult">The result type</typeparam>
/// <returns></returns>
public static EventActivityBinder <FutureState, T> SetResult <T, TResult>(this EventActivityBinder <FutureState, T> binder,
Func <FutureConsumeContext <T>, Guid> getResultId, FutureMessageFactory <T, TResult> messageFactory)
where T : class
where TResult : class
{
return(binder.Then(context =>
{
FutureConsumeContext <T> consumeContext = context.CreateFutureConsumeContext();
var resultId = getResultId(consumeContext);
consumeContext.SetResult(resultId, messageFactory);
}));
}
public static EventActivityBinder <JobTypeSaga, SetConcurrentJobLimit> SetConcurrentLimit(
this EventActivityBinder <JobTypeSaga, SetConcurrentJobLimit> binder)
{
return(binder.Then(context =>
{
if (context.Data.Kind == ConcurrentLimitKind.Configured)
{
context.Instance.ConcurrentJobLimit = context.Data.ConcurrentJobLimit;
LogContext.Debug?.Log("Concurrent Job Limit: {ConcurrencyLimit}", context.Instance.ConcurrentJobLimit);
}
else if (context.Data.Kind == ConcurrentLimitKind.Override)
{
context.Instance.OverrideJobLimit = context.Data.ConcurrentJobLimit;
context.Instance.OverrideLimitExpiration = DateTime.Now + (context.Data.Duration ?? TimeSpan.FromMinutes(30));
LogContext.Debug?.Log("Override Concurrent Job Limit: {ConcurrencyLimit}", context.Instance.OverrideJobLimit);
}
}));
}
public static EventActivityBinder <ReceiveEndpoint, ReceiveEndpointFaulted> SetUnHealthy(this EventActivityBinder <ReceiveEndpoint,
ReceiveEndpointFaulted> binder)
{
return(binder.Then(context =>
context.Instance.HealthResult = EndpointHealthResult.Unhealthy(context.Instance, context.Instance.Message, context.Data.Exception)));
}
public static EventActivityBinder <ReceiveEndpoint, T> SetDegraded <T>(this EventActivityBinder <ReceiveEndpoint, T> binder)
where T : class
{
return(binder.Then(context => context.Instance.HealthResult = EndpointHealthResult.Degraded(context.Instance, context.Instance.Message)));
}
/// <summary>
/// Captures the incoming request into a <see cref="RequestToken{TRequest}"/>.
/// </summary>
/// <typeparam name="TInstance"></typeparam>
/// <typeparam name="TRequest"></typeparam>
/// <param name="source"></param>
/// <param name="captured"></param>
/// <returns></returns>
public static EventActivityBinder <TInstance, TRequest> CaptureRequest <TInstance, TRequest>(this EventActivityBinder <TInstance, TRequest> source, Action <BehaviorContext <TInstance, TRequest>, RequestToken <TRequest> > captured)
where TInstance : class, SagaStateMachineInstance
where TRequest : class
{
return(source.Then(context => captured(context, context.CaptureRequestToken())));
}
public static EventActivityBinder <BookSagaState, IBookAddedGlobalEvent> CopyDataToInstance(
this EventActivityBinder <BookSagaState, IBookAddedGlobalEvent> binder) => binder.Then(
x =>
{
x.Instance.DateAdded = x.Data.TimeStamp.Date;
x.Instance.Isbn = x.Data.Isbn;
x.Instance.Title = x.Data.Title;
});
/// <summary>
/// Adds a synchronous delegate activity to the event's behavior with mapping to domain event and state
/// </summary>
/// <typeparam name="TInstance">The state machine instance type</typeparam>
/// <typeparam name="TData">The event data type</typeparam>
/// <param name="binder">The event binder</param>
/// <param name="action">The synchronous delegate</param>
public static EventActivityBinder <TInstance, TData> Then <TInstance, TData>(
this EventActivityBinder <TInstance, TData> binder,
Action <TInstance, TData> action) where TInstance : class
{
return(binder.Then(ctx => action(ctx.Instance, ctx.Data)));
}
