public static void AddSubscriptionToObject(string targetLocation, string subscriberLocation, string subscriptionType, string targetTypeName = null, string subscriberTypeName = null)
{
if(targetLocation == subscriberLocation)
throw new InvalidDataException("Self-circular subscription targeting self attempted: " + targetLocation);
var sub = GetSubscriptionToObject(targetLocation, subscriberLocation, subscriptionType, targetTypeName:targetTypeName, subscriberTypeName:subscriberTypeName);
SubscriptionCollection subscriptionCollection = GetSubscriptions(targetLocation);
if(subscriptionCollection == null)
{
subscriptionCollection = new SubscriptionCollection();
subscriptionCollection.SetRelativeLocationAsMetadataTo(targetLocation);
}
var alreadyExists =
subscriptionCollection.CollectionContent.FirstOrDefault(
existing => existing.SubscriberRelativeLocation == sub.SubscriberRelativeLocation
&& existing.SubscriptionType == sub.SubscriptionType);
if(alreadyExists != null)
{
// If the values match, don't save when there are no changes
if (alreadyExists.SubscriberInformationObjectType == sub.SubscriberInformationObjectType &&
alreadyExists.TargetInformationObjectType == sub.TargetInformationObjectType)
return;
// ... otherwise update the values
alreadyExists.SubscriberInformationObjectType = sub.SubscriberInformationObjectType;
alreadyExists.TargetInformationObjectType = sub.TargetInformationObjectType;
} else
{
subscriptionCollection.CollectionContent.Add(sub);
}
StorageSupport.StoreInformation(subscriptionCollection);
}
/// <summary>
/// Initializes the data feed for the specified job and algorithm
/// </summary>
public void Initialize(IAlgorithm algorithm, AlgorithmNodePacket job, IResultHandler resultHandler, IMapFileProvider mapFileProvider, IFactorFileProvider factorFileProvider)
{
_algorithm = algorithm;
_resultHandler = resultHandler;
_mapFileProvider = mapFileProvider;
_factorFileProvider = factorFileProvider;
_subscriptions = new SubscriptionCollection();
_universeSelection = new UniverseSelection(this, algorithm, job.Controls);
_cancellationTokenSource = new CancellationTokenSource();
IsActive = true;
var threadCount = Math.Max(1, Math.Min(4, Environment.ProcessorCount - 3));
_controller = new ParallelRunnerController(threadCount);
_controller.Start(_cancellationTokenSource.Token);
var ffres = Time.OneMinute;
_fillForwardResolution = Ref.Create(() => ffres, res => ffres = res);
// wire ourselves up to receive notifications when universes are added/removed
algorithm.UniverseManager.CollectionChanged += (sender, args) =>
{
switch (args.Action)
{
case NotifyCollectionChangedAction.Add:
foreach (var universe in args.NewItems.OfType<Universe>())
{
var config = universe.Configuration;
var start = _frontierUtc != DateTime.MinValue ? _frontierUtc : _algorithm.StartDate.ConvertToUtc(_algorithm.TimeZone);
var marketHoursDatabase = MarketHoursDatabase.FromDataFolder();
var exchangeHours = marketHoursDatabase.GetExchangeHours(config);
Security security;
if (!_algorithm.Securities.TryGetValue(config.Symbol, out security))
{
// create a canonical security object if it doesn't exist
security = new Security(exchangeHours, config, _algorithm.Portfolio.CashBook[CashBook.AccountCurrency], SymbolProperties.GetDefault(CashBook.AccountCurrency));
}
var end = _algorithm.EndDate.ConvertToUtc(_algorithm.TimeZone);
AddSubscription(new SubscriptionRequest(true, universe, security, config, start, end));
}
break;
case NotifyCollectionChangedAction.Remove:
foreach (var universe in args.OldItems.OfType<Universe>())
{
RemoveSubscription(universe.Configuration);
}
break;
default:
throw new NotImplementedException("The specified action is not implemented: " + args.Action);
}
};
}
public void FillForwardResolutionIgnoresInternalFeed()
{
var subscriptionColletion = new SubscriptionCollection();
var subscription = CreateSubscription(Resolution.Second, "AAPL", true);
subscriptionColletion.TryAdd(subscription);
Assert.AreEqual(subscriptionColletion.UpdateAndGetFillForwardResolution().Value, new TimeSpan(0, 1, 0));
subscriptionColletion.TryRemove(subscription.Configuration, out subscription);
Assert.AreEqual(subscriptionColletion.UpdateAndGetFillForwardResolution().Value, new TimeSpan(0, 1, 0));
}
public void GettingSpecificSubscription()
{
#region Snippet:Hello_World_SpecificSubscription
string subscriptionId = "your-subscription-id";
ArmClient client = new ArmClient(new DefaultAzureCredential());
SubscriptionCollection subscriptions = client.GetSubscriptions();
SubscriptionResource subscription = subscriptions.Get(subscriptionId);
Console.WriteLine($"Got subscription: {subscription.Data.DisplayName}");
#endregion Snippet:Hello_World_SpecificSubscription
}
public void UpdatesFillForwardResolutionSuccessfullyWhenNotAdding()
{
var subscriptionColletion = new SubscriptionCollection();
var subscription = CreateSubscription(Resolution.Second);
var fillForwardResolutio = subscriptionColletion.UpdateAndGetFillForwardResolution(subscription.Configuration);
Assert.AreEqual(fillForwardResolutio.Value, new TimeSpan(0, 0, 1));
subscription.Dispose();
}
public void UpdatesFillForwardResolutionOverridesDefaultWhenNotAdding()
{
var subscriptionColletion = new SubscriptionCollection();
var subscription = CreateSubscription(Resolution.Daily);
var fillForwardResolutio = subscriptionColletion.UpdateAndGetFillForwardResolution(subscription.Configuration);
Assert.AreEqual(fillForwardResolutio.Value, new TimeSpan(1, 0, 0, 0));
subscription.Dispose();
}
public void Start()
{
_subscriptions = new SubscriptionCollection(_messageBus);
// On Core initialization, startup all necessary Stitches
_subscriptions.Subscribe <CoreEvent>(b => b
.WithChannelName(CoreEvent.ChannelInitialized)
.Invoke(m => _service.StartRunningStitchesOnStartup())
.OnWorkerThread());
// Upload package files
_subscriptions.Listen <PackageFileUploadRequest, PackageFileUploadResponse>(l => l
.WithChannelName(PackageFileUploadRequest.ChannelLocal)
.Invoke(_service.UploadStitchPackageFile));
_subscriptions.Listen <PackageFileUploadRequest, PackageFileUploadResponse>(l => l
.WithChannelName(PackageFileUploadRequest.ChannelFromRemote)
.Invoke(_service.UploadStitchPackageFileFromRemote));
_subscriptions.Listen <LocalCreateInstanceRequest, LocalCreateInstanceResponse>(l => l
.OnDefaultChannel()
.Invoke(_service.CreateNewInstance));
_subscriptions.Listen <InstanceRequest, InstanceResponse>(l => l
.WithChannelName(InstanceRequest.ChannelClone)
.Invoke(_service.CloneInstance));
_subscriptions.Listen <InstanceRequest, InstanceResponse>(l => l
.WithChannelName(InstanceRequest.ChannelStart)
.Invoke(_service.StartInstance));
_subscriptions.Listen <InstanceRequest, InstanceResponse>(l => l
.WithChannelName(InstanceRequest.ChannelStop)
.Invoke(_service.StopInstance));
_subscriptions.Listen <InstanceRequest, InstanceResponse>(l => l
.WithChannelName(InstanceRequest.ChannelDelete)
.Invoke(_service.DeleteStitchInstance));
_subscriptions.Listen <InstanceInformationRequest, List <InstanceInformation> >(l => l
.OnDefaultChannel()
.Invoke(m => _service.GetInstanceInformation()));
_subscriptions.Listen <StitchResourceUsageRequest, StitchResourceUsage>(l => l
.OnDefaultChannel()
.Invoke(m => _service.GetInstanceResources(m.StitchInstanceId)));
_subscriptions.Subscribe <StitchDataMessage>(b => b
.WithChannelName(StitchDataMessage.ChannelSendLocal)
.Invoke(_service.SendDataMessageToStitch)
.OnWorkerThread()
.WithFilter(m => !string.IsNullOrEmpty(m.ToStitchInstanceId)));
_subscriptions.Subscribe <ObjectReceivedEvent <StitchDataMessage> >(b => b
.WithChannelName(ReceivedEvent.ChannelReceived)
.Invoke(m => _service.SendDataMessageToStitch(m.Object)));
_subscriptions.Subscribe <SendHeartbeatEvent>(b => b
.OnDefaultChannel()
.Invoke(m => _service.SendHeartbeat(m.HeartbeatId)));
}
public void FillForwardResolutionIgnoresTick()
{
var subscriptionColletion = new SubscriptionCollection();
var subscription = CreateSubscription(Resolution.Tick);
subscriptionColletion.TryAdd(subscription);
Assert.AreEqual(subscriptionColletion.UpdateAndGetFillForwardResolution().Value, new TimeSpan(0, 1, 0));
subscriptionColletion.TryRemove(subscription.Configuration, out subscription);
Assert.AreEqual(subscriptionColletion.UpdateAndGetFillForwardResolution().Value, new TimeSpan(0, 1, 0));
subscription.Dispose();
}
public void Stop()
{
if (_subscriptions == null)
{
return;
}
_subscriptions.Dispose();
_subscriptions = null;
_messageBus.ThreadPool.StopDedicatedWorker(_workerThreadId);
_workerThreadId = 0;
}
public async Task GettingSpecificSubscriptionAsync()
{
#region Snippet:Hello_World_Async_SpecificSubscription
string subscriptionId = "your-subscription-id";
ArmClient client = new ArmClient(new DefaultAzureCredential());
SubscriptionCollection subscriptions = client.GetSubscriptions();
SubscriptionResource subscription = await subscriptions.GetAsync(subscriptionId);
Console.WriteLine(subscription.Id);
#endregion Snippet:Hello_World_Async_SpecificSubscription
}
public void DoesNotUpdateFillForwardResolutionWhenAddingBiggerResolution()
{
var subscriptionColletion = new SubscriptionCollection();
var subscription = CreateSubscription(Resolution.Second);
var subscription2 = CreateSubscription(Resolution.Minute);
subscriptionColletion.TryAdd(subscription);
Assert.AreEqual(subscriptionColletion.UpdateAndGetFillForwardResolution().Value, new TimeSpan(0, 0, 1));
subscriptionColletion.TryAdd(subscription2);
Assert.AreEqual(subscriptionColletion.UpdateAndGetFillForwardResolution().Value, new TimeSpan(0, 0, 1));
}
public StitchMonitorModule(CrossStitchCore core, NodeConfiguration configuration)
{
_configuration = configuration;
var log = new ModuleLog(core.MessageBus, Name);
var calculator = new StitchHealthCalculator(configuration.MissedHeartbeatsThreshold);
var heartbeatSender = new HeartbeatSender(core.MessageBus);
var healthNotifier = new StitchHealthNotifier(core.MessageBus);
_heartbeatService = new StitchHeartbeatService(log, heartbeatSender, healthNotifier, calculator);
_subscriptions = new SubscriptionCollection(core.MessageBus);
}
private static Notification CreateNotification(SubscriptionCollection subscription, IEnumerable <FeedInfo> feed)
{
var matchingFeeds = feed
.Where(f => Filter(f, subscription.SubscribedAnimes))
.Select(
x => new SubscribedFeed(OptionUtils.UnpackOption(x.AnimeTitle.Value, string.Empty),
x.Links,
x.EpisodeInfo,
x.PublicationDate));
return(new Notification(subscription.SubscriptionId, matchingFeeds));
}
public void Stop()
{
_backplane.Stop();
_backplane.MessageReceived -= MessageReceivedHandler;
_backplane.ClusterMember -= ClusterMemberHandler;
_backplane.ZoneMember -= ZoneMemberHandler;
_subscriptions.Dispose();
_subscriptions = null;
_messageBus.ThreadPool.StopDedicatedWorker(_workerThreadId);
}
public ActionResult Save(Bam.Net.CoreServices.ApplicationRegistration.Dao.Subscription[] values)
{
try
{
SubscriptionCollection saver = new SubscriptionCollection();
saver.AddRange(values);
saver.Save();
return(Json(new { Success = true, Message = "", Dao = "" }));
}
catch (Exception ex)
{
return(GetErrorResult(ex));
}
}
public BackplaneModule(CrossStitchCore core, IClusterBackplane backplane = null, BackplaneConfiguration configuration = null)
{
_messageBus = core.MessageBus;
_subscriptions = new SubscriptionCollection(_messageBus);
_log = new ModuleLog(_messageBus, Name);
_configuration = configuration ?? BackplaneConfiguration.GetDefault();
_backplane = backplane ?? new ZyreBackplane(core, _configuration);
// Forward messages from the backplane to the IMessageBus
_backplane.MessageReceived += MessageReceivedHandler;
_backplane.ClusterMember += ClusterMemberHandler;
_backplane.ZoneMember += ZoneMemberHandler;
}
public MasterModule(CrossStitchCore core, NodeConfiguration configuration)
{
_configuration = configuration;
_messageBus = core.MessageBus;
_log = new ModuleLog(core.MessageBus, Name);
var data = new DataHelperClient(core.MessageBus);
_data = new MasterDataRepository(core.NodeId, data);
var stitches = new StitchRequestHandler(core.MessageBus);
var sender = new ClusterMessageSender(core.MessageBus);
_service = new MasterService(core, _log, _data, stitches, sender);
_subscriptions = new SubscriptionCollection(_messageBus);
}
public void UpdatesFillForwardResolutionWhenRemoving()
{
var subscriptionColletion = new SubscriptionCollection();
var subscription = CreateSubscription(Resolution.Second);
var subscription2 = CreateSubscription(Resolution.Daily);
subscriptionColletion.TryAdd(subscription);
subscriptionColletion.TryAdd(subscription2);
Assert.AreEqual(subscriptionColletion.UpdateAndGetFillForwardResolution().Value, new TimeSpan(0, 0, 1));
subscriptionColletion.TryRemove(subscription.Configuration, out subscription);
Assert.AreEqual(subscriptionColletion.UpdateAndGetFillForwardResolution().Value, new TimeSpan(1, 0, 0, 0));
subscriptionColletion.TryRemove(subscription2.Configuration, out subscription2);
Assert.AreEqual(subscriptionColletion.UpdateAndGetFillForwardResolution().Value, new TimeSpan(0, 1, 0));
}
/// <summary>
/// Contructs a server by de-serializing its OpcUrl from the stream.
/// </summary>
protected TsCAeServer(SerializationInfo info, StreamingContext context)
:
base(info, context)
{
int count = (int)info.GetValue(Names.COUNT, typeof(int));
_subscriptions = new SubscriptionCollection();
for (int ii = 0; ii < count; ii++)
{
Ae.TsCAeSubscription subscription = (Ae.TsCAeSubscription)info.GetValue(Names.SUBSCRIPTION + ii.ToString(), typeof(Ae.TsCAeSubscription));
_subscriptions.Add(subscription);
}
}
public static void NotifySubscribers(string targetLocation)
{
var ictx = InformationContext.Current;
if (ictx.IsExecutingSubscriptions)
{
return;
}
SubscriptionCollection subscriptionCollection = GetSubscriptions(targetLocation);
string targetParentLocation = GetParentDirectoryTarget(targetLocation);
SubscriptionCollection parentSubscriptionCollection = GetSubscriptions(targetParentLocation);
if (subscriptionCollection == null && parentSubscriptionCollection == null)
{
return;
}
VirtualOwner owner = VirtualOwner.FigureOwner(targetLocation);
OwnerSubscriptionItem subscriptionItem = new OwnerSubscriptionItem
{
Owner = owner, TargetLocation = targetLocation
};
ictx.AddSubscriptionUpdateTarget(subscriptionItem);
return;
if (subscriptionCollection != null)
{
foreach (var subscription in subscriptionCollection.CollectionContent)
{
OperationRequest operationRequest = new OperationRequest
{
SubscriberNotification = subscription
};
//QueueSupport.PutToOperationQueue(operationRequest);
ictx.AddOperationRequestToFinalizingQueue(operationRequest);
}
}
if (parentSubscriptionCollection != null)
{
foreach (var subscription in parentSubscriptionCollection.CollectionContent)
{
OperationRequest operationRequest = new OperationRequest
{
SubscriberNotification = subscription
};
//QueueSupport.PutToOperationQueue(operationRequest);
ictx.AddOperationRequestToFinalizingQueue(operationRequest);
}
}
}
protected Server(SerializationInfo info, StreamingContext context) : base(info, context)
{
this.m_filters = 0;
this.m_disposing = false;
this.m_subscriptions = new SubscriptionCollection();
int num = (int)info.GetValue("CT", typeof(int));
this.m_subscriptions = new SubscriptionCollection();
for (int i = 0; i < num; i++)
{
Subscription subscription = (Subscription)info.GetValue("SU" + i.ToString(), typeof(Subscription));
this.m_subscriptions.Add(subscription);
}
}
/// <summary>
/// Constructs a server by de-serializing its OpcUrl from the stream.
/// </summary>
protected TsCAeServer(SerializationInfo info, StreamingContext context)
:
base(info, context)
{
int count = (int)info.GetValue(Names.Count, typeof(int));
subscriptions_ = new SubscriptionCollection();
for (int ii = 0; ii < count; ii++)
{
var subscription = (TsCAeSubscription)info.GetValue(Names.Subscription + ii, typeof(TsCAeSubscription));
subscriptions_.Add(subscription);
}
}
public StitchesModule(CrossStitchCore core, StitchesConfiguration configuration = null)
{
configuration = configuration ?? StitchesConfiguration.GetDefault();
var log = new ModuleLog(core.MessageBus, Name);
var data = new DataHelperClient(core.MessageBus);
var observer = new StitchEventObserver(core.MessageBus, data, log);
var fileSystem = new StitchFileSystem(configuration, new DateTimeVersionManager());
var adaptorFactory = new StitchAdaptorFactory(core, configuration, fileSystem, log, observer);
var manager = new StitchInstanceManager(fileSystem, adaptorFactory);
var notifier = new StitchEventNotifier(core.MessageBus);
_service = new StitchesService(core, data, fileSystem, manager, log, notifier);
_subscriptions = new SubscriptionCollection(core.MessageBus);
}
public void AddSubscription(string groupName, List <string> tagList, DataChangedEventHandler onDataChange)
{
if (!_server.IsConnected)
{
Console.WriteLine("Connection to OPC server is not established");
return;
}
// Create group
Opc.Da.Subscription group;
Opc.Da.SubscriptionState groupState = new Opc.Da.SubscriptionState();
groupState.Name = groupName;
groupState.Active = true;
groupState.UpdateRate = 200;
// Short circuit if group already exists
SubscriptionCollection existingCollection = _server.Subscriptions;
if (existingCollection.Count > 0)
{
for (int i = 0; i < existingCollection.Count; i++)
{
if (existingCollection[i].Name == groupName)
{
Console.WriteLine(String.Format("Subscription group {0} already exists", groupName));
return;
}
}
}
group = (Opc.Da.Subscription)_server.CreateSubscription(groupState);
// Create list of items to monitor
Item[] opcItems = new Item[1];
int j = 0;
foreach (string tag in tagList)
{
opcItems[j] = new Item();
opcItems[j].ItemName = tag;
j++;
}
// Attach items and event to group
group.AddItems(opcItems);
//group.DataChanged += new Opc.Da.DataChangedEventHandler(OPCSubscription_DataChanged);
group.DataChanged += new Opc.Da.DataChangedEventHandler(onDataChange);
}
public void SubscriptionsAreSortedWhenRemoving()
{
var subscriptionColletion = new SubscriptionCollection();
var subscription = CreateSubscription(Resolution.Second, Futures.Metals.Gold, false, SecurityType.Future);
var subscription2 = CreateSubscription(Resolution.Second, "SPY");
var subscription3 = CreateSubscription(Resolution.Second, "AAPL", false, SecurityType.Option);
var subscription4 = CreateSubscription(Resolution.Second, "EURGBP");
var subscription5 = CreateSubscription(Resolution.Second, "AAPL", false, SecurityType.Option, TickType.OpenInterest);
var subscription6 = CreateSubscription(Resolution.Second, "AAPL", false, SecurityType.Option, TickType.Quote);
subscriptionColletion.TryAdd(subscription);
subscriptionColletion.TryAdd(subscription2);
subscriptionColletion.TryAdd(subscription3);
subscriptionColletion.TryAdd(subscription4);
subscriptionColletion.TryAdd(subscription5);
subscriptionColletion.TryAdd(subscription6);
Assert.AreEqual(subscriptionColletion.ToList(), new[] { subscription4, subscription2, subscription3, subscription6, subscription5, subscription });
subscriptionColletion.TryRemove(subscription2.Configuration, out subscription2);
Assert.AreEqual(subscriptionColletion.Select(x => x.Configuration.SecurityType).ToList(), new[] { SecurityType.Equity, SecurityType.Option,
SecurityType.Option, SecurityType.Option, SecurityType.Future });
subscriptionColletion.TryRemove(subscription3.Configuration, out subscription3);
Assert.AreEqual(subscriptionColletion.Select(x => x.Configuration.SecurityType).ToList(), new[] { SecurityType.Equity, SecurityType.Option, SecurityType.Option, SecurityType.Future });
subscriptionColletion.TryRemove(subscription.Configuration, out subscription);
Assert.AreEqual(subscriptionColletion.Select(x => x.Configuration.SecurityType).ToList(), new[] { SecurityType.Equity, SecurityType.Option, SecurityType.Option });
Assert.AreEqual(subscriptionColletion.ToList(), new[] { subscription4, subscription6, subscription5 });
subscriptionColletion.TryRemove(subscription6.Configuration, out subscription6);
Assert.AreEqual(subscriptionColletion.Select(x => x.Configuration.SecurityType).ToList(), new[] { SecurityType.Equity, SecurityType.Option });
Assert.AreEqual(subscriptionColletion.ToList(), new[] { subscription4, subscription5 });
subscriptionColletion.TryRemove(subscription5.Configuration, out subscription5);
Assert.AreEqual(subscriptionColletion.Select(x => x.Configuration.SecurityType).ToList(), new[] { SecurityType.Equity });
subscriptionColletion.TryRemove(subscription4.Configuration, out subscription4);
Assert.IsTrue(subscriptionColletion.Select(x => x.Configuration.SecurityType).ToList().IsNullOrEmpty());
subscription.Dispose();
subscription2.Dispose();
subscription3.Dispose();
subscription4.Dispose();
subscription5.Dispose();
subscription6.Dispose();
}
public void DoesNotUpdateFillForwardResolutionWhenRemovingDuplicateResolution()
{
var subscriptionColletion = new SubscriptionCollection();
var subscription = CreateSubscription(Resolution.Second);
var subscription2 = CreateSubscription(Resolution.Second, "SPY");
subscriptionColletion.TryAdd(subscription);
Assert.AreEqual(subscriptionColletion.UpdateAndGetFillForwardResolution().Value, new TimeSpan(0, 0, 1));
subscriptionColletion.TryAdd(subscription2);
Assert.AreEqual(subscriptionColletion.UpdateAndGetFillForwardResolution().Value, new TimeSpan(0, 0, 1));
subscriptionColletion.TryRemove(subscription.Configuration, out subscription);
Assert.AreEqual(subscriptionColletion.UpdateAndGetFillForwardResolution().Value, new TimeSpan(0, 0, 1));
subscriptionColletion.TryRemove(subscription2.Configuration, out subscription2);
Assert.AreEqual(subscriptionColletion.UpdateAndGetFillForwardResolution().Value, new TimeSpan(0, 1, 0));
subscription.Dispose();
subscription2.Dispose();
}
public void SubscriptionCollection_CreateReport_Test()
{
var target = new SubscriptionCollection(new MessageBus());
target.Subscribe <int>(b => b
.WithTopic("test1")
.Invoke(x => { }));
target.Listen <int, string>(b => b
.WithTopic("test2")
.Invoke(x => "ok"));
target.Participate <long, DateTime>(b => b
.WithTopic("test3")
.Invoke(x => DateTime.UtcNow));
var report = target.ReportContents();
report.Length.Should().Be(3);
}
public override void Connect(URL url, ConnectData connectData)
{
base.Connect(url, connectData);
if (this.m_subscriptions.Count != 0)
{
SubscriptionCollection subscriptions = new SubscriptionCollection();
foreach (Subscription subscription in this.m_subscriptions)
{
try
{
subscriptions.Add(this.EstablishSubscription(subscription));
}
catch
{
}
}
this.m_subscriptions = subscriptions;
}
}
public void SubscriptionsAreSortedWhenAdding2()
{
var subscriptionColletion = new SubscriptionCollection();
var subscription = CreateSubscription(Resolution.Second, "GC", false, SecurityType.Future);
var subscription2 = CreateSubscription(Resolution.Second, "SPY");
var subscription3 = CreateSubscription(Resolution.Second, "AAPL", false, SecurityType.Option);
var subscription4 = CreateSubscription(Resolution.Second, "EURGBP");
subscriptionColletion.TryAdd(subscription);
Assert.AreEqual(subscriptionColletion.ToList(), new[] { subscription });
subscriptionColletion.TryAdd(subscription2);
Assert.AreEqual(subscriptionColletion.ToList(), new[] { subscription2, subscription });
subscriptionColletion.TryAdd(subscription3);
Assert.AreEqual(subscriptionColletion.ToList(), new[] { subscription2, subscription3, subscription });
subscriptionColletion.TryAdd(subscription4);
Assert.AreEqual(subscriptionColletion.ToList(), new[] { subscription4, subscription2, subscription3, subscription });
Assert.AreEqual(subscriptionColletion.Select(x => x.Security.Type).ToList(), new[] { SecurityType.Equity, SecurityType.Equity, SecurityType.Option, SecurityType.Future });
}
private bool TryGetSubscriptionCollection <TEvent>(bool createIfNotExists, out SubscriptionCollection <TEvent>?subscriptionCollection)
{
var eventType = typeof(TEvent);
if (!_subscriptionCollections.TryGetValue(eventType, out var foundCollection))
{
if (!createIfNotExists)
{
subscriptionCollection = null;
return(false);
}
subscriptionCollection = new SubscriptionCollection <TEvent>();
_subscriptionCollections.Add(eventType, subscriptionCollection);
return(true);
}
subscriptionCollection = (SubscriptionCollection <TEvent>)foundCollection;
return(true);
}
public async Task ManageAvailabilitySetOld()
{
#region Snippet:Readme_ManageAvailabilitySetOld
ResourceIdentifier id = new ResourceIdentifier("/subscriptions/aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee/resourceGroups/workshop2021-rg/providers/Microsoft.Compute/availabilitySets/ws2021availSet");
// We construct a new client to work with
ArmClient client = new ArmClient(new DefaultAzureCredential());
// Next we get the collection of subscriptions
SubscriptionCollection subscriptions = client.GetSubscriptions();
// Next we get the specific subscription this resource belongs to
Subscription subscription = await subscriptions.GetAsync(id.SubscriptionId);
// Next we get the collection of resource groups that belong to that subscription
ResourceGroupCollection resourceGroups = subscription.GetResourceGroups();
// Next we get the specific resource group this resource belongs to
ResourceGroup resourceGroup = await resourceGroups.GetAsync(id.ResourceGroupName);
// Next we get the collection of availability sets that belong to that resource group
AvailabilitySetCollection availabilitySets = resourceGroup.GetAvailabilitySets();
// Finally we get the resource itself
// Note: for this last step in this example, Azure.ResourceManager.Compute is needed
AvailabilitySet availabilitySet = await availabilitySets.GetAsync(id.Name);
#endregion Snippet:Readme_ManageAvailabilitySetOld
}
public void Start()
{
_subscriptions = new SubscriptionCollection(_messageBus);
int heartbeatTickMultiple = (_configuration.HeartbeatIntervalMinutes * 60) / Timer.MessageTimerModule.TimerIntervalSeconds;
_subscriptions.TimerSubscribe(heartbeatTickMultiple, b => b
.Invoke(e => _heartbeatService.SendScheduledHeartbeat()));
int monitorTickMultiple = (_configuration.StitchMonitorIntervalMinutes * 60) / Timer.MessageTimerModule.TimerIntervalSeconds;
_subscriptions.TimerSubscribe(monitorTickMultiple, b => b.Invoke(e => MonitorStitchStatus()));
_subscriptions.Subscribe <StitchInstanceEvent>(b => b
.WithChannelName(StitchInstanceEvent.ChannelSynced)
.Invoke(_heartbeatService.StitchSyncReceived));
_subscriptions.Listen <StitchHealthRequest, StitchHealthResponse>(l => l
.OnDefaultChannel()
.Invoke(_heartbeatService.GetStitchHealthReport));
}
/// <summary>
/// Initializes the data feed for the specified job and algorithm
/// </summary>
public void Initialize(IAlgorithm algorithm, AlgorithmNodePacket job, IResultHandler resultHandler, IMapFileProvider mapFileProvider, IFactorFileProvider factorFileProvider)
{
if (!(job is LiveNodePacket))
{
throw new ArgumentException("The LiveTradingDataFeed requires a LiveNodePacket.");
}
_cancellationTokenSource = new CancellationTokenSource();
_algorithm = algorithm;
_job = (LiveNodePacket) job;
_resultHandler = resultHandler;
_timeProvider = GetTimeProvider();
_dataQueueHandler = GetDataQueueHandler();
_frontierTimeProvider = new ManualTimeProvider(_timeProvider.GetUtcNow());
_customExchange = new BaseDataExchange("CustomDataExchange") {SleepInterval = 10};
// sleep is controlled on this exchange via the GetNextTicksEnumerator
_exchange = new BaseDataExchange("DataQueueExchange"){SleepInterval = 0};
_exchange.AddEnumerator(DataQueueHandlerSymbol, GetNextTicksEnumerator());
_subscriptions = new SubscriptionCollection();
_bridge = new BusyBlockingCollection<TimeSlice>();
_universeSelection = new UniverseSelection(this, algorithm, job.Controls);
// run the exchanges
Task.Run(() => _exchange.Start(_cancellationTokenSource.Token));
Task.Run(() => _customExchange.Start(_cancellationTokenSource.Token));
// this value will be modified via calls to AddSubscription/RemoveSubscription
var ffres = Time.OneMinute;
_fillForwardResolution = Ref.Create(() => ffres, v => ffres = v);
// wire ourselves up to receive notifications when universes are added/removed
var start = _timeProvider.GetUtcNow();
algorithm.UniverseManager.CollectionChanged += (sender, args) =>
{
switch (args.Action)
{
case NotifyCollectionChangedAction.Add:
foreach (var universe in args.NewItems.OfType<Universe>())
{
var config = universe.Configuration;
var marketHoursDatabase = MarketHoursDatabase.FromDataFolder();
var exchangeHours = marketHoursDatabase.GetExchangeHours(config);
Security security;
if (!_algorithm.Securities.TryGetValue(config.Symbol, out security))
{
// create a canonical security object
security = new Security(exchangeHours, config, _algorithm.Portfolio.CashBook[CashBook.AccountCurrency], SymbolProperties.GetDefault(CashBook.AccountCurrency));
}
AddSubscription(new SubscriptionRequest(true, universe, security, config, start, Time.EndOfTime));
// Not sure if this is needed but left here because of this:
// https://github.com/QuantConnect/Lean/commit/029d70bde6ca83a1eb0c667bb5cc4444bea05678
UpdateFillForwardResolution();
}
break;
case NotifyCollectionChangedAction.Remove:
foreach (var universe in args.OldItems.OfType<Universe>())
{
RemoveSubscription(universe.Configuration);
}
break;
default:
throw new NotImplementedException("The specified action is not implemented: " + args.Action);
}
};
}
/// <summary>
/// Saves a set of subscriptions.
/// </summary>
public void Save(string filePath, IEnumerable<Subscription> subscriptions)
{
XmlWriterSettings settings = new XmlWriterSettings();
settings.Indent = true;
settings.OmitXmlDeclaration = false;
settings.Encoding = Encoding.UTF8;
XmlWriter writer = XmlWriter.Create(filePath, settings);
SubscriptionCollection subscriptionList = new SubscriptionCollection(subscriptions);
try
{
DataContractSerializer serializer = new DataContractSerializer(typeof(SubscriptionCollection));
serializer.WriteObject(writer, subscriptionList);
}
finally
{
writer.Close();
}
}
