public SnapshotUpdater(IProjectThreadingService projectThreadingService, CancellationToken unloadCancellationToken)
{
// Initial snapshot is empty.
_currentSnapshot = DependenciesSnapshot.Empty;
// Updates will be published via Dataflow.
_source = DataflowBlockSlim.CreateBroadcastBlock <SnapshotChangedEventArgs>("DependenciesSnapshot {1}", skipIntermediateInputData: true);
// Updates are debounced to conflate rapid updates and reduce frequency of tree updates downstream.
_debounce = new TaskDelayScheduler(
TimeSpan.FromMilliseconds(250),
projectThreadingService,
unloadCancellationToken);
}
private void RegisterFileWatcher(string projectLockJsonFilePath)
{
// Note file change service is free-threaded
if (_fileChangeService != null && projectLockJsonFilePath != null)
{
_previousContentsHash = GetFileHashOrNull(projectLockJsonFilePath);
_taskDelayScheduler = new TaskDelayScheduler(
s_notifyDelay,
_projectServices.ThreadingService,
CreateLinkedCancellationToken());
int hr = _fileChangeService.AdviseFileChange(projectLockJsonFilePath, (uint)(_VSFILECHANGEFLAGS.VSFILECHG_Time | _VSFILECHANGEFLAGS.VSFILECHG_Size | _VSFILECHANGEFLAGS.VSFILECHG_Add | _VSFILECHANGEFLAGS.VSFILECHG_Del), this, out _filechangeCookie);
ErrorHandler.ThrowOnFailure(hr);
}
_fileBeingWatched = projectLockJsonFilePath;
}
public DependenciesSnapshotProvider(
IUnconfiguredProjectCommonServices commonServices,
Lazy <IAggregateCrossTargetProjectContextProvider> contextProvider,
IUnconfiguredProjectTasksService tasksService,
IActiveConfiguredProjectSubscriptionService activeConfiguredProjectSubscriptionService,
IActiveProjectConfigurationRefreshService activeProjectConfigurationRefreshService,
ITargetFrameworkProvider targetFrameworkProvider,
IAggregateDependenciesSnapshotProvider aggregateSnapshotProvider)
: base(commonServices.ThreadingService.JoinableTaskContext)
{
Requires.NotNull(contextProvider, nameof(contextProvider));
Requires.NotNull(tasksService, nameof(tasksService));
Requires.NotNull(activeConfiguredProjectSubscriptionService, nameof(activeConfiguredProjectSubscriptionService));
Requires.NotNull(activeProjectConfigurationRefreshService, nameof(activeProjectConfigurationRefreshService));
Requires.NotNull(targetFrameworkProvider, nameof(targetFrameworkProvider));
Requires.NotNull(aggregateSnapshotProvider, nameof(aggregateSnapshotProvider));
_commonServices = commonServices;
_contextProvider = contextProvider;
_tasksService = tasksService;
_activeConfiguredProjectSubscriptionService = activeConfiguredProjectSubscriptionService;
_activeProjectConfigurationRefreshService = activeProjectConfigurationRefreshService;
_targetFrameworkProvider = targetFrameworkProvider;
_currentSnapshot = DependenciesSnapshot.CreateEmpty(_commonServices.Project.FullPath);
_dependencySubscribers = new OrderPrecedenceImportCollection <IDependencyCrossTargetSubscriber>(
projectCapabilityCheckProvider: commonServices.Project);
_snapshotFilters = new OrderPrecedenceImportCollection <IDependenciesSnapshotFilter>(
ImportOrderPrecedenceComparer.PreferenceOrder.PreferredComesLast,
projectCapabilityCheckProvider: commonServices.Project);
_subTreeProviders = new OrderPrecedenceImportCollection <IProjectDependenciesSubTreeProvider>(
ImportOrderPrecedenceComparer.PreferenceOrder.PreferredComesLast,
projectCapabilityCheckProvider: commonServices.Project);
_dependenciesUpdateScheduler = new TaskDelayScheduler(
_dependenciesUpdateThrottleInterval,
commonServices.ThreadingService,
tasksService.UnloadCancellationToken);
_snapshotChangedSource = DataflowBlockSlim.CreateBroadcastBlock <SnapshotChangedEventArgs>("DependenciesSnapshot {1}", skipIntermediateInputData: true);
aggregateSnapshotProvider.RegisterSnapshotProvider(this);
}
public DependencySubscriptionsHost(
IUnconfiguredProjectCommonServices commonServices,
Lazy <IAggregateCrossTargetProjectContextProvider> contextProvider,
[Import(ExportContractNames.Scopes.UnconfiguredProject)] IProjectAsynchronousTasksService tasksService,
IActiveConfiguredProjectSubscriptionService activeConfiguredProjectSubscriptionService,
IActiveProjectConfigurationRefreshService activeProjectConfigurationRefreshService,
ITargetFrameworkProvider targetFrameworkProvider,
IAggregateDependenciesSnapshotProvider aggregateSnapshotProvider)
: base(commonServices.ThreadingService.JoinableTaskContext)
{
Requires.NotNull(contextProvider, nameof(contextProvider));
Requires.NotNull(tasksService, nameof(tasksService));
Requires.NotNull(activeConfiguredProjectSubscriptionService, nameof(activeConfiguredProjectSubscriptionService));
Requires.NotNull(activeProjectConfigurationRefreshService, nameof(activeProjectConfigurationRefreshService));
Requires.NotNull(targetFrameworkProvider, nameof(targetFrameworkProvider));
Requires.NotNull(aggregateSnapshotProvider, nameof(aggregateSnapshotProvider));
_commonServices = commonServices;
_contextProvider = contextProvider;
_tasksService = tasksService;
_activeConfiguredProjectSubscriptionService = activeConfiguredProjectSubscriptionService;
_activeProjectConfigurationRefreshService = activeProjectConfigurationRefreshService;
_targetFrameworkProvider = targetFrameworkProvider;
_aggregateSnapshotProvider = aggregateSnapshotProvider;
_currentSnapshot = DependenciesSnapshot.CreateEmpty(_commonServices.Project.FullPath);
_dependencySubscribers = new OrderPrecedenceImportCollection <IDependencyCrossTargetSubscriber>(
projectCapabilityCheckProvider: commonServices.Project);
_snapshotFilters = new OrderPrecedenceImportCollection <IDependenciesSnapshotFilter>(
projectCapabilityCheckProvider: commonServices.Project,
orderingStyle: ImportOrderPrecedenceComparer.PreferenceOrder.PreferredComesLast);
_subTreeProviders = new OrderPrecedenceImportCollection <IProjectDependenciesSubTreeProvider>(
ImportOrderPrecedenceComparer.PreferenceOrder.PreferredComesLast,
projectCapabilityCheckProvider: commonServices.Project);
_dependenciesUpdateScheduler = new TaskDelayScheduler(
_dependenciesUpdateThrottleInterval,
commonServices.ThreadingService,
tasksService.UnloadCancellationToken);
ProjectFilePath = commonServices.Project.FullPath;
}
private async Task RegisterFileWatcherAsync(string projectLockJsonFilePath)
{
// Note file change service is free-threaded
if (projectLockJsonFilePath != null)
{
_previousContentsHash = GetFileHashOrNull(projectLockJsonFilePath);
_taskDelayScheduler?.Dispose();
_taskDelayScheduler = new TaskDelayScheduler(
s_notifyDelay,
_projectServices.ThreadingService,
CreateLinkedCancellationToken());
IVsAsyncFileChangeEx fileChangeService = await _fileChangeService.GetValueAsync();
_filechangeCookie = await fileChangeService.AdviseFileChangeAsync(
projectLockJsonFilePath,
_VSFILECHANGEFLAGS.VSFILECHG_Time | _VSFILECHANGEFLAGS.VSFILECHG_Size | _VSFILECHANGEFLAGS.VSFILECHG_Add | _VSFILECHANGEFLAGS.VSFILECHG_Del,
sink : this);
}
_fileBeingWatched = projectLockJsonFilePath;
}