private void HandleTaskException(TaskMetaData taskMetaData, Exception ex)
{
taskMetaData.FailureCounter++;
string logMessage = "The '" + taskMetaData.InstanceName + "' instance of '" +
taskMetaData.Task.Name +
"' threw an exception. Attempt number " + taskMetaData.FailureCounter +
". Exception details: \r\n" + ex;
if (taskMetaData.FailureCounter >= TASK_FAILURE_LIMIT)
{
PutTaskIntoCooldown(taskMetaData);
taskMetaData.FailureCounter = 0;
logMessage = "Going into Cooldown, will resume at " +
taskMetaData.CooldownPoint + ". " + logMessage;
}
WriteErrorToLog(logMessage);
}
private void PutTaskIntoCooldown(TaskMetaData taskMetaData)
{
taskMetaData.CooldownPoint = DateTime.Now + new TimeSpan(0, 0, TASK_FAILURE_COOLDOWN_INTERVAL_S);
}
private bool TaskIsDueToDispatch(TaskMetaData taskMetaData, DateTime currentTime)
{
bool isInCooldownMode = taskMetaData.CooldownPoint > currentTime;
DateTime nextDispatchTime = taskMetaData.LastDispatch + taskMetaData.Task.Interval;
bool hasNotPassedDueTime = nextDispatchTime > currentTime;
if (taskMetaData.Task == null || taskMetaData.IsRunning || isInCooldownMode || hasNotPassedDueTime)
{
return false;
}
return true;
}
