protected virtual void Save(ISaga saga, IEvent by, string bucketId = Bucket.Default)
{
if (string.IsNullOrWhiteSpace(saga.Id)) throw new ApplicationException("Saga.Id is not specified");
if (OnSavedHook != null) OnSavedHook(this, saga, by);
var byTyped = by as DomainEvent;
foreach (IEvent e in saga.GetUncommittedEvents())
{
var evt = e as DomainEvent;
if (evt != null)
{
evt.SagaId = new Guid(saga.Id);
if (byTyped != null)
{
if (!evt.TenantId.HasValue) evt.TenantId = byTyped.TenantId;
if (!evt.IssuedBy.HasValue) evt.IssuedBy = byTyped.IssuedBy;
}
}
}
foreach (DomainCommand cmd in saga.GetUndispatchedMessages())
{
cmd.SagaId = new Guid(saga.Id);
if (byTyped != null)
{
if (!cmd.TenantId.HasValue) cmd.TenantId = byTyped.TenantId;
if (!cmd.IssuedBy.HasValue) cmd.IssuedBy = byTyped.IssuedBy;
}
}
sagas.Save(bucketId, saga, Guid.NewGuid(), _ => { });
}
static void OnSagaSaved(EventHandlerBase sender, ISaga saga, IEvent by)
{
if (by != null && saga != null)
{
Console.WriteLine("[SAGA] {0} -> {1} -> {2}",
by.GetType().FullName,
saga.GetType().FullName,
string.Join(", ", saga.GetUndispatchedMessages().OfType <object>().Select(e => e.GetType().FullName)));
}
}
protected virtual void Save(ISaga saga, IEvent by, string bucketId = Bucket.Default)
{
if (string.IsNullOrWhiteSpace(saga.Id))
{
throw new ApplicationException("Saga.Id is not specified");
}
if (OnSavedHook != null)
{
OnSavedHook(this, saga, by);
}
var byTyped = by as DomainEvent;
foreach (IEvent e in saga.GetUncommittedEvents())
{
var evt = e as DomainEvent;
if (evt != null)
{
evt.SagaId = new Guid(saga.Id);
if (byTyped != null)
{
if (!evt.TenantId.HasValue)
{
evt.TenantId = byTyped.TenantId;
}
if (!evt.IssuedBy.HasValue)
{
evt.IssuedBy = byTyped.IssuedBy;
}
}
}
}
foreach (DomainCommand cmd in saga.GetUndispatchedMessages())
{
cmd.SagaId = new Guid(saga.Id);
if (byTyped != null)
{
if (!cmd.TenantId.HasValue)
{
cmd.TenantId = byTyped.TenantId;
}
if (!cmd.IssuedBy.HasValue)
{
cmd.IssuedBy = byTyped.IssuedBy;
}
}
}
sagas.Save(bucketId, saga, Guid.NewGuid(), _ => { });
}
private static Dictionary <string, object> PrepareHeaders(ISaga saga, Action <IDictionary <string, object> > updateHeaders)
{
var headers = new Dictionary <string, object>();
headers[SagaTypeHeader] = saga.GetType().FullName;
if (updateHeaders != null)
{
updateHeaders(headers);
}
var i = 0;
foreach (var command in saga.GetUndispatchedMessages())
{
headers[UndispatchedMessageHeader + i++] = command;
}
return(headers);
}
