protected void DispatchToSagaInternal(string sagaId, bool createNew, SagaBase sagaHandler, Action <SagaBase> callback)
{
string version = null;
bool found = false;
object sagaState = null;
var st = Stopwatch.StartNew();
var sagaStateType = sagaHandler.GetType().BaseType.GetGenericArguments()[0]; //todo: what if inheritance is deeper???
if (!string.IsNullOrEmpty(sagaId))
{
found = SagaStateRepo.Get(sagaId, sagaStateType, true, out sagaState, out version);
}
else //create new id
{
sagaId = Guid.NewGuid().ToString("N");
}
if (!found)
{
if (!createNew)
{
throw new Exception("Saga instance not found: " + sagaId);
}
sagaState = Activator.CreateInstance(sagaStateType);
version = "1";
}
sagaHandler.IsNew = !found;
sagaHandler.InitializeSagaState(sagaId, version, sagaState);
callback(sagaHandler);
if (sagaHandler.Completed)
{
if (!createNew)
{
SagaStateRepo.Delete(sagaId);
log.Info("Deleted saga {0}/{1}", sagaHandler.GetType().Name, sagaId);
}
}
else
{
sagaHandler.BeforeSave();
if (!found)
{
SagaStateRepo.InsertNew(sagaHandler.Id, sagaState);
log.Info("Saved new saga {0}/{1}", sagaHandler.GetType().Name, sagaId);
}
else
{
SagaStateRepo.Update(sagaHandler.Id, sagaState, version);
log.Debug("Updated saga {0}/{1}", sagaHandler.GetType().Name, sagaId);
}
}
st.Stop();
statLog.Info("Dispatch:{0}", st.ElapsedMilliseconds);
}
protected void DispatchToSagaInternal(string sagaId, bool createNew, SagaBase sagaHandler, Action<SagaBase> callback)
{
string version = null;
bool found = false;
object sagaState = null;
var st = Stopwatch.StartNew();
var sagaStateType = sagaHandler.GetType().BaseType.GetGenericArguments()[0]; //todo: what if inheritance is deeper???
if (!string.IsNullOrEmpty(sagaId))
{
found = SagaStateRepo.Get(sagaId, sagaStateType, true, out sagaState, out version);
}
else //create new id
{
sagaId = Guid.NewGuid().ToString("N");
}
if (!found)
{
if (!createNew) throw new Exception("Saga instance not found: " + sagaId);
sagaState = Activator.CreateInstance(sagaStateType);
version = "1";
}
sagaHandler.IsNew = !found;
sagaHandler.InitializeSagaState(sagaId, version, sagaState);
callback(sagaHandler);
if (sagaHandler.Completed)
{
if (!createNew)
{
SagaStateRepo.Delete(sagaId);
log.Info("Deleted saga {0}/{1}", sagaHandler.GetType().Name, sagaId);
}
}
else
{
sagaHandler.BeforeSave();
if (!found)
{
SagaStateRepo.InsertNew(sagaHandler.Id, sagaState);
log.Info("Saved new saga {0}/{1}", sagaHandler.GetType().Name, sagaId);
}
else
{
SagaStateRepo.Update(sagaHandler.Id, sagaState, version);
log.Debug("Updated saga {0}/{1}", sagaHandler.GetType().Name, sagaId);
}
}
st.Stop();
statLog.Info("Dispatch:{0}", st.ElapsedMilliseconds);
}
