public void OnEvent(SampleEvent data, long sequence, bool endOfBatch)
{
var task = _persister.SaveAsync(data);
// It might be useful to store the save result so it
// can be accessed in next event handlers.
data.SaveResult = task.WaitTaskResult(_saveTimeout);
}
public void OnEvent(SampleEvent data, long sequence, bool endOfBatch)
{
var saveResult = _previousSaveTask.WaitTaskResult(_saveTimeout);
// TODO: handle the task error.
_previousSaveTask = _persister.SaveAsync(data);
}
public void OnEvent(SampleEvent data, long sequence, bool endOfBatch)
{
var task = _persister.SaveAsync(data);
// Fire-and-forgetting the task should really be avoid.
// If you do so, you should add least limit the number of
// ongoing save tasks, for example using a semaphore.
task.ContinueWith(t => OnError(t.Exception), TaskContinuationOptions.ExecuteSynchronously | TaskContinuationOptions.OnlyOnFaulted);
public void OnEvent(SampleEvent data, long sequence, bool endOfBatch)
{
var task = _persister.SaveAsync(data);
// How to deal with the task in a void method?
}
public void OnBatch(EventBatch <SampleEvent> batch, long sequence)
{
var task = _persister.SaveAsync(batch.ToArray());
// Do something with the task depending on you design option
}
public void OnEvent(SampleEvent data, long sequence, bool endOfBatch)
{
data.SaveTask = _persister.SaveAsync(data);
}