private async Task HandleDependencyUpdates <T>(string fullMethodKey, RcSummaryBase rcSummary, RcEnumeratorAsync <T> enumAsync)
{
while (rcSummary.HasDependencyOn(fullMethodKey))
{
try
{
var result = await enumAsync.NextResultAsync();
}
catch (ComputationStopped)
{
// TODO: Re-initiate summary!
return;
}
catch (TimeoutException)
{
break;
}
catch (Exception e)
{
// Re-execute the summary that depends on this value.
// The exception will be thrown when the summary is re-executed
// and this sub-summary is accessed.
}
rcSummary.EnqueueExecution();
}
}
public void EnqueueSummary(RcSummaryBase summary)
{
bool Bool;
RuntimeClient.Current.ExecAction(() =>
{
lock (this)
{
if (!queuedwork.TryGetValue(summary, out Bool))
{
queuedwork.Add(summary, true);
Notify();
}
}
}, Context);
}
public OutsideSummaryWorker(RcSummaryBase rcSummary, OutsideRcManager rcManager, OutsideReactiveScheduler scheduler)
{
RcSummary = rcSummary;
RcManager = rcManager;
Scheduler = scheduler;
}
protected override async Task Work()
{
var logger = RcManager.Logger;
var notificationtasks = new List <Task>();
if (Current != null)
{
throw new Runtime.OrleansException("illegal state");
}
Dictionary <RcSummaryBase, bool> work;
logger.Verbose("Worker {0} started", GrainId);
lock (this)
{
// take all work out of the queue for processing
work = queuedwork;
queuedwork = new Dictionary <RcSummaryBase, bool>();
}
foreach (var workitem in work)
{
var summary = workitem.Key;
logger.Verbose("Worker {0} is scheduling summary {1}", GrainId, summary);
//var context = RuntimeContext.CurrentActivationContext.CreateReactiveContext();
object result = null;
Exception exception_result = null;
logger.Verbose("Worker {0} starts executing summary {1}", GrainId, summary);
Current = summary;
// Execute the computation
try
{
Current.ResetDependencies();
result = await Current.Execute();
}
catch (Exception e)
{
exception_result = e;
}
logger.Verbose("Worker {0} starts removing dependencies", GrainId);
Current.CleanupInvalidDependencies();
Current = null;
logger.Verbose("Worker {0} finished executing summary {1}, result={2}, exc={3}", GrainId, summary, result, exception_result);
// Set the result/exception in the summary and notify dependents
notificationtasks.Add(summary.UpdateResult(result, exception_result));
}
logger.Verbose("Worker {0} waiting for {1} notification tasks", GrainId, notificationtasks.Count);
// TODO: we could batch notifications to same silo here
await Task.WhenAll(notificationtasks);
logger.Verbose("Worker {0} done", GrainId);
}