/// <summary>
/// Initialize the watcher.
/// </summary>
protected override async Task InitializeCoreAsync(CancellationToken cancellationToken)
{
_fileChangeService = (IVsFileChangeEx)(await _asyncServiceProvider.GetServiceAsync(typeof(SVsFileChangeEx)).ConfigureAwait(false));
// Explicitly get back to the thread pool for the rest of this method so we don't tie up the UI thread;
await TaskScheduler.Default;
await _projectTasksService.LoadedProjectAsync(() =>
{
// The tree source to get changes to the tree so that we can identify when the assets file changes.
ProjectDataSources.SourceBlockAndLink <IProjectVersionedValue <IProjectTreeSnapshot> > treeSource = _fileSystemTreeProvider.Tree.SyncLinkOptions();
// The property source used to get the value of the $ProjectAssetsFile property so that we can identify the location of the assets file.
var sourceLinkOptions = new StandardRuleDataflowLinkOptions
{
RuleNames = Empty.OrdinalIgnoreCaseStringSet.Add(ConfigurationGeneral.SchemaName),
PropagateCompletion = true
};
ProjectDataSources.SourceBlockAndLink <IProjectVersionedValue <IProjectSubscriptionUpdate> > propertySource = _activeConfiguredProjectSubscriptionService.ProjectRuleSource.SourceBlock.SyncLinkOptions(sourceLinkOptions);
var target = new ActionBlock <IProjectVersionedValue <Tuple <IProjectTreeSnapshot, IProjectSubscriptionUpdate> > >(DataFlow_ChangedAsync);
// Join the two sources so that we get synchronized versions of the data.
_treeWatcher = ProjectDataSources.SyncLinkTo(treeSource, propertySource, target);
return(Task.CompletedTask);
}).ConfigureAwait(false);
}
/// <summary>
/// Initialize the watcher.
/// </summary>
protected override async Task InitializeCoreAsync(CancellationToken cancellationToken)
{
// Explicitly get back to the thread pool for the rest of this method so we don't tie up the UI thread;
await TaskScheduler.Default;
await _projectTasksService.LoadedProjectAsync(() =>
{
// The tree source to get changes to the tree so that we can identify when the assets file changes.
ProjectDataSources.SourceBlockAndLink <IProjectVersionedValue <IProjectTreeSnapshot> > treeSource = _fileSystemTreeProvider.Tree.SyncLinkOptions();
// The property source used to get the value of the $ProjectAssetsFile property so that we can identify the location of the assets file.
StandardRuleDataflowLinkOptions sourceLinkOptions = DataflowOption.WithRuleNames(ConfigurationGeneral.SchemaName);
ProjectDataSources.SourceBlockAndLink <IProjectVersionedValue <IProjectSubscriptionUpdate> > propertySource = _activeConfiguredProjectSubscriptionService.ProjectRuleSource.SourceBlock.SyncLinkOptions(sourceLinkOptions);
ITargetBlock <IProjectVersionedValue <Tuple <IProjectTreeSnapshot, IProjectSubscriptionUpdate> > > target = DataflowBlockSlim.CreateActionBlock <IProjectVersionedValue <Tuple <IProjectTreeSnapshot, IProjectSubscriptionUpdate> > >(DataFlow_ChangedAsync);
// Join the two sources so that we get synchronized versions of the data.
_treeWatcher = ProjectDataSources.SyncLinkTo(treeSource, propertySource, target);
return(Task.CompletedTask);
});
}
