private IObservable <SwatcherCreatedEventArgs> CreateCreatedEventStream()
{
return(_createdSubject.AsObservable()
.SelectConfiguredItemTypes(Config)
.Do(x => CreatedEventsInProgress.Add(x.FullPath))
.Publish()
.RefCount());
}
private IObservable <SwatcherEventArgs> ChangedEventsNotResultingFromACreatedEventStream(
IObservable <SwatcherEventArgs> changedEvents,
IObservable <IList <SwatcherCreatedEventArgs> > createdEventWindows)
{
return(changedEvents.CombineLatestFromLeft(createdEventWindows,
(c, w) => new
{
Changed = c,
Created = w
})
.Where(x => ItemExists(x.Changed))
.Where(x => IsWatchedItemType(x.Changed, Config))
.Where(x => !CreatedEventsInProgress.Contains(x.Changed.FullPath))
.Where(x => x.Created.All(created => created.FullPath != x.Changed.FullPath))
.Select(x => x.Changed));
}
internal Swatcher(ISwatcherConfig config, IWindowsFacade windowsFacade)
{
Config = config;
WindowsFacade = windowsFacade;
var createdEventStream = CreateCreatedEventStream();
var finishedCreatedEventStream = CreateFinishedCreatedEventStream(createdEventStream);
finishedCreatedEventStream
.Delay(TimeSpan.FromSeconds(2.5))
.Subscribe(x => CreatedEventsInProgress.Remove(x.FullPath));
var createdEventWindows = CreateCreatedEventWindowStream(createdEventStream);
var finishedCreatedEventWindows = CreateFinishedCreatedEventWindows(finishedCreatedEventStream);
var changedEventStream = CreateChangedEventStream();
var changedEventWindows = CreatedChangedEventWindows(changedEventStream);
Renamed = CreatePublicRenamedStream(Config);
Deleted = CreatePublicDeletedStream();
Created = CreatePublicCreatedStream(finishedCreatedEventStream);
Changed = CreatePublicChangedStream(changedEventStream,
changedEventWindows, createdEventWindows, finishedCreatedEventWindows);
ChangedEventPatternSource =
Changed.Select(x => new EventPattern <SwatcherEventArgs>(this, x)).ToEventPattern();
ChangedEventPatternSource.OnNext += OnItemChanged;
DeletedEventPatternSource =
Deleted.Select(x => new EventPattern <SwatcherEventArgs>(this, x)).ToEventPattern();
DeletedEventPatternSource.OnNext += OnItemDeleted;
CreatedEventPatternSource =
Created.Select(x => new EventPattern <SwatcherCreatedEventArgs>(this, x)).ToEventPattern();
CreatedEventPatternSource.OnNext += OnItemCreated;
RenamedEventPatternSource =
Renamed.Select(x => new EventPattern <SwatcherRenamedEventArgs>(this, x)).ToEventPattern();
RenamedEventPatternSource.OnNext += OnItemRenamed;
}
