private Task<object> WriteTransactionData(EventStoreTransaction transaction, int startingVersion, int eventCount, Func<int, EventData> createEvent)
{
Log.Info("Starting to write {0} events in tran {1}", eventCount, transaction.TransactionId);
var resSource = new TaskCompletionSource<object>();
Action<Task> fail = prevTask =>
{
Log.Info("WriteEventsInTransactionalWay for transaction {0} failed.", transaction.TransactionId);
resSource.SetException(prevTask.Exception);
};
int version = startingVersion;
Action<Task> writeTransactionEvent = null;
writeTransactionEvent = _ =>
{
if (version == startingVersion + eventCount)
{
resSource.SetResult(null);
return;
}
version += 1;
var writeTask = transaction.WriteAsync(new[] { createEvent(version) });
writeTask.ContinueWith(fail, TaskContinuationOptions.OnlyOnFaulted);
writeTask.ContinueWith(writeTransactionEvent, TaskContinuationOptions.OnlyOnRanToCompletion);
};
Task.Factory.StartNew(() => writeTransactionEvent(null));
return resSource.Task;
}
public static void Write(this EventStoreTransaction tx, IEnumerable <EventData> events)
{
var task = tx.WriteAsync(events);
task.Wait();
}
