async Task <List <ArloRegistration> > _getRegistrationLinks(EventRegistrationList links, bool forceRefresh)
{
var registrants = await LoadLinkEntities <ArloRegistration>(links, Constants.Cache.AllRegistrationList, Constants.Rel.Registration, forceRefresh);
var taskList = new List <Task>();
foreach (var registrant in registrants)
{
var r2 = registrant;
async Task <bool> LocalLoad()
{
var link = r2.FindLink(Constants.Rel.RelatedContact);
if (link == null)
{
return(false);
}
var c = await LoadEntity <ArloContact>(link, link);
r2.Contact = c;
return(true);
}
taskList.Add(TaskThrottler.Get("LoadRegistrants", 15).Throttle(LocalLoad));
}
await Task.WhenAll(taskList);
return(registrants);
}
public async Task TestAsyncThrottlingReturns()
{
List <Task <SomeEntity> > tasks = new List <Task <SomeEntity> >();
for (var i = 0; i < 500; i++)
{
var t = TaskThrottler.Get("Test", 50).Throttle(_getAnEntity);
tasks.Add(t);
Debug.WriteLine("Added: {0}", i);
}
await Task.WhenAll(tasks);
}
public async Task TestAsyncNoThrottlingNoReturns()
{
var throttler = TaskThrottler.Get("Test", 500);
List <Task> tasks = new List <Task>();
for (var i = 0; i < 5000; i++)
{
tasks.Add(_doSomeWork());
Debug.WriteLine("Added: {0}", i);
}
await Task.WhenAll(tasks);
}
public async Task <List <T> > LoadLinkEntities <T>(ListOfLinks links, string key, string rel, bool forceRefresh)
where T : class, new()
{
if (links == null)
{
return(null);
}
key += _getHashLinks(links);
var cacheResult = await GetEntity <List <T> >(key);
if (cacheResult != null && !forceRefresh)
{
return(cacheResult);
}
var repo = Scope.Resolve <IGenericWebRepo <T> >();
var resultTasks = new List <Task <T> >();
if (links.Link == null)
{
return(null);
}
foreach (var l in links.Link)
{
if (l.Rel != rel)
{
continue;
}
var lClosure = l;
lClosure.Href = lClosure.Href.Replace("sessionregistrations.", "sessionregistrations");//hardcode fix a bug in the arlo api
resultTasks.Add(TaskThrottler.Get("GetLinkEntities", 15).Throttle(() => repo.Get(lClosure.Href)));
}
var resultFromTasks = await Task.WhenAll(resultTasks);
var listResult = resultFromTasks.ToList();
await SetEntity(key, listResult);
return(listResult);
}
public async Task TestAsyncThrottlingNoReturnsSmaller()
{
var throttler = TaskThrottler.Get("Test", 10);
List <Task> tasks = new List <Task>();
for (var i = 0; i < 50; i++)
{
tasks.Add(throttler.Throttle(_doSomeWork));
Debug.WriteLine("Added: {0}", i);
}
await Task.WhenAll(tasks);
Assert.IsTrue(thiscount == 50);
}
public async Task <List <T> > LoadLinkEntitiesFromList <T, TLinks>(List <TLinks> links, string key, string rel, bool forceRefresh)
where T : class, new()
where TLinks : ListOfLinks
{
if (links == null)
{
return(null);
}
key += _getHashLinksLinks(links);
var cacheResult = await GetEntity <List <T> >(key);
if (cacheResult != null && !forceRefresh)
{
return(cacheResult);
}
var resultTasks = new List <Task <List <T> > >();
foreach (var lol in links)
{
if (lol == null)
{
continue;
}
resultTasks.Add(TaskThrottler.Get("LoadLinkEntitiesFromList", 15).Throttle(() => LoadLinkEntities <T>(lol, Guid.NewGuid().ToString(), rel, forceRefresh)));
}
var resultFromTasks = await Task.WhenAll(resultTasks);
var listResult = resultFromTasks.ToList();
var result = new List <T>();
foreach (var l in listResult)
{
result.AddRange(l);
}
await SetEntity(key, result);
return(result);
}
public async Task TestAsyncThrottlingUsingDisposeMethod()
{
//this is a very poor method for loops, good for throttling across many threads.
for (var i = 0; i < 500; i++)
{
var i2 = i;
Task.Run(async() =>
{
using (var l = await TaskThrottler.Get("Test", 2).LockAsync())
{
Debug.WriteLine("Added: {0}", i2);
await _doSomeWork();
}
});
}
await Task.Delay(50000);
}
public async Task <List <ArloSession> > GetEventSessions(List <Link> sessionLinks, bool forceRefresh)
{
if (sessionLinks == null)
{
return(new List <ArloSession>());
}
var resultTasks = new List <Task <ArloSession> >();
foreach (var item in sessionLinks.Where(_ => _.Rel == Constants.Rel.EventSession))
{
var i2 = item;
var t = TaskThrottler.Get("GetSessonLinks", 30).Throttle(() => GetEventSession(i2.Href, forceRefresh));
resultTasks.Add(t);
}
var resultFromTasks = await Task.WhenAll(resultTasks);
var listResult = resultFromTasks.ToList();
return(listResult);
}
