private async Task <ActivityExecuteResult> RecursiveExecuteActivity(ActivityWapper activityWapper)
{
var activityId = snowflakeIdGenerator.NextId();
activityWapper.Id = activityId;
activityWapper.CancellationTokenSource = new System.Threading.CancellationTokenSource(activityWapper.TimeOutSeconds * 1000);
try
{
var content = serializer.Serialize(activityWapper.DataObj, activityWapper.ActivityDataType);
activityWapper.ActivityStatus = ActivityStatus.Executing;
await eventSender.ActivityExecuting(activityId, activityWapper.Name, Id, content, activityWapper.Order, DateTime.UtcNow);
var result = await activityWapper.InvokeExecute();
if (!result.IsSuccess)
{
activityWapper.ActivityStatus = ActivityStatus.Revoked;
await eventSender.ActivityRevoked(activityId);
await CompensateActivity(result, currentExecuteOrder);
var expiresAt = DateTime.UtcNow.AddSeconds(poleSagasOption.CompeletedSagaExpiredAfterSeconds);
await eventSender.SagaEnded(Id, expiresAt);
return(result);
}
activityWapper.ActivityStatus = ActivityStatus.Executed;
var executeActivity = GetNextExecuteActivity();
if (executeActivity == null)
{
var expiresAt = DateTime.UtcNow.AddSeconds(poleSagasOption.CompeletedSagaExpiredAfterSeconds);
await eventSender.SagaEnded(Id, expiresAt);
return(result);
}
else
{
return(await RecursiveExecuteActivity(executeActivity));
}
}
catch (Exception exception)
{
if (activityWapper.CancellationTokenSource.Token.IsCancellationRequested)
{
var errors = exception.InnerException != null ? exception.InnerException.Message + exception.StackTrace : exception.Message + exception.StackTrace;
var result = new ActivityExecuteResult
{
IsSuccess = false,
Errors = errors
};
var bytesContent = serializer.SerializeToUtf8Bytes(activityWapper.DataObj, activityWapper.ActivityDataType);
activityWapper.ActivityStatus = ActivityStatus.ExecutingOvertime;
await eventSender.ActivityExecuteOvertime(activityId);
// 超时的时候 需要首先补偿这个超时的操作
return(await CompensateActivity(result, currentExecuteOrder + 1));
}
else
{
var errors = exception.InnerException != null ? exception.InnerException.Message + exception.StackTrace : exception.Message + exception.StackTrace;
var result = new ActivityExecuteResult
{
IsSuccess = false,
Errors = errors
};
activityWapper.ActivityStatus = ActivityStatus.ExecuteAborted;
await eventSender.ActivityExecuteAborted(activityId);
// 出错的时候 需要首先补偿这个出错的操作
var executeResult = await CompensateActivity(result, currentExecuteOrder + 1);
var expiresAt = DateTime.UtcNow.AddSeconds(poleSagasOption.CompeletedSagaExpiredAfterSeconds);
if (IsCompensated)
{
await eventSender.SagaEnded(Id, expiresAt);
}
return(executeResult);
}
}
}