public async Task <ResponseTimeInformation> ExecuteAllPendingLazyOperationsAsync(CancellationToken token = default(CancellationToken))
{
using (AsyncTaskHolder())
{
var requests = new List <GetRequest>();
for (int i = 0; i < PendingLazyOperations.Count; i++)
{
var req = PendingLazyOperations[i].CreateRequest(Context);
if (req == null)
{
PendingLazyOperations.RemoveAt(i);
i--; // so we'll recheck this index
continue;
}
requests.Add(req);
}
if (requests.Count == 0)
{
return(new ResponseTimeInformation());
}
try
{
var sw = Stopwatch.StartNew();
IncrementRequestCount();
var responseTimeDuration = new ResponseTimeInformation();
while (await ExecuteLazyOperationsSingleStep(responseTimeDuration, requests, sw, token).ConfigureAwait(false))
{
await TimeoutManager.WaitFor(TimeSpan.FromMilliseconds(100), token).ConfigureAwait(false);
}
responseTimeDuration.ComputeServerTotal();
foreach (var pendingLazyOperation in PendingLazyOperations)
{
Action <object> value;
if (OnEvaluateLazy.TryGetValue(pendingLazyOperation, out value))
{
value(pendingLazyOperation.Result);
}
}
sw.Stop();
responseTimeDuration.TotalClientDuration = sw.Elapsed;
return(responseTimeDuration);
}
finally
{
PendingLazyOperations.Clear();
}
}
}
internal Lazy <int> AddLazyCountOperation(ILazyOperation operation)
{
PendingLazyOperations.Add(operation);
var lazyValue = new Lazy <int>(() =>
{
ExecuteAllPendingLazyOperations();
return(operation.QueryResult.TotalResults);
});
return(lazyValue);
}
public ResponseTimeInformation ExecuteAllPendingLazyOperations()
{
var requests = new List <GetRequest>();
for (int i = 0; i < PendingLazyOperations.Count; i++)
{
var req = PendingLazyOperations[i].CreateRequest(Context);
if (req == null)
{
PendingLazyOperations.RemoveAt(i);
i--; // so we'll recheck this index
continue;
}
requests.Add(req);
}
if (requests.Count == 0)
{
return(new ResponseTimeInformation());
}
try
{
var sw = Stopwatch.StartNew();
IncrementRequestCount();
var responseTimeDuration = new ResponseTimeInformation();
while (ExecuteLazyOperationsSingleStep(responseTimeDuration, requests, sw))
{
Thread.Sleep(100);
}
responseTimeDuration.ComputeServerTotal();
foreach (var pendingLazyOperation in PendingLazyOperations)
{
Action <object> value;
if (OnEvaluateLazy.TryGetValue(pendingLazyOperation, out value))
{
value(pendingLazyOperation.Result);
}
}
responseTimeDuration.TotalClientDuration = sw.Elapsed;
return(responseTimeDuration);
}
finally
{
PendingLazyOperations.Clear();
}
}
internal Lazy <Task <int> > AddLazyCountOperation(ILazyOperation operation, CancellationToken token = default(CancellationToken))
{
PendingLazyOperations.Add(operation);
var lazyValue = new Lazy <Task <int> >(() => ExecuteAllPendingLazyOperationsAsync(token)
.ContinueWith(t =>
{
if (t.Exception != null)
{
throw new InvalidOperationException("Could not perform lazy count", t.Exception);
}
return(operation.QueryResult.TotalResults);
}, token));
return(lazyValue);
}
internal Lazy <T> AddLazyOperation <T>(ILazyOperation operation, Action <T> onEval)
{
PendingLazyOperations.Add(operation);
var lazyValue = new Lazy <T>(() =>
{
ExecuteAllPendingLazyOperations();
return(GetOperationResult <T>(operation.Result));
});
if (onEval != null)
{
OnEvaluateLazy[operation] = theResult => onEval(GetOperationResult <T>(theResult));
}
return(lazyValue);
}
public async Task <ResponseTimeInformation> ExecuteAllPendingLazyOperationsAsync(CancellationToken token = default(CancellationToken))
{
if (PendingLazyOperations.Count == 0)
{
return(new ResponseTimeInformation());
}
try
{
var sw = Stopwatch.StartNew();
IncrementRequestCount();
var responseTimeDuration = new ResponseTimeInformation();
while (await ExecuteLazyOperationsSingleStep(responseTimeDuration).WithCancellation(token).ConfigureAwait(false))
{
await TimeoutManager.WaitFor(TimeSpan.FromMilliseconds(100), token).ConfigureAwait(false);
}
responseTimeDuration.ComputeServerTotal();
foreach (var pendingLazyOperation in PendingLazyOperations)
{
Action <object> value;
if (OnEvaluateLazy.TryGetValue(pendingLazyOperation, out value))
{
value(pendingLazyOperation.Result);
}
}
responseTimeDuration.TotalClientDuration = sw.Elapsed;
return(responseTimeDuration);
}
finally
{
PendingLazyOperations.Clear();
}
}
internal Lazy <Task <T> > AddLazyOperation <T>(ILazyOperation operation, Action <T> onEval, CancellationToken token = default(CancellationToken))
{
PendingLazyOperations.Add(operation);
var lazyValue = new Lazy <Task <T> >(() =>
ExecuteAllPendingLazyOperationsAsync(token)
.ContinueWith(t =>
{
if (t.Exception != null)
{
throw new InvalidOperationException("Could not perform add lazy operation", t.Exception);
}
return(GetOperationResult <T>(operation.Result));
}, token));
if (onEval != null)
{
OnEvaluateLazy[operation] = theResult => onEval(GetOperationResult <T>(theResult));
}
return(lazyValue);
}
private bool ExecuteLazyOperationsSingleStep(ResponseTimeInformation responseTimeInformation)
{
//WIP - Not final
var requests = PendingLazyOperations.Select(x => x.CreateRequest(Context)).ToList();
var multiGetOperation = new MultiGetOperation(this);
var multiGetCommand = multiGetOperation.CreateRequest(requests);
RequestExecutor.Execute(multiGetCommand, Context, sessionInfo: SessionInfo);
var responses = multiGetCommand.Result;
for (var i = 0; i < PendingLazyOperations.Count; i++)
{
long totalTime;
string tempReqTime;
var response = responses[i];
response.Headers.TryGetValue(Constants.Headers.RequestTime, out tempReqTime);
long.TryParse(tempReqTime, out totalTime);
responseTimeInformation.DurationBreakdown.Add(new ResponseTimeItem
{
Url = requests[i].UrlAndQuery,
Duration = TimeSpan.FromMilliseconds(totalTime)
});
if (response.RequestHasErrors())
{
throw new InvalidOperationException("Got an error from server, status code: " + (int)response.StatusCode + Environment.NewLine + response.Result);
}
PendingLazyOperations[i].HandleResponse(response);
if (PendingLazyOperations[i].RequiresRetry)
{
return(true);
}
}
return(false);
}
public ResponseTimeInformation ExecuteAllPendingLazyOperations()
{
if (PendingLazyOperations.Count == 0)
{
return(new ResponseTimeInformation());
}
try
{
var sw = Stopwatch.StartNew();
IncrementRequestCount();
var responseTimeDuration = new ResponseTimeInformation();
while (ExecuteLazyOperationsSingleStep(responseTimeDuration))
{
Thread.Sleep(100);
}
responseTimeDuration.ComputeServerTotal();
foreach (var pendingLazyOperation in PendingLazyOperations)
{
Action <object> value;
if (OnEvaluateLazy.TryGetValue(pendingLazyOperation, out value))
{
value(pendingLazyOperation.Result);
}
}
responseTimeDuration.TotalClientDuration = sw.Elapsed;
return(responseTimeDuration);
}
finally
{
PendingLazyOperations.Clear();
}
}