private bool tryGetWatcher(VirtualDirectory src, out VirtualDirectoryWatcher watcher)
{
lock (_lockObject)
{
watcher = null;
if (_isDisposed)
{
return(false);
}
var retv = _directoryWatchers.ContainsKey(src);
if (retv)
{
watcher = _directoryWatchers[src];
}
return(retv);
}
}
public VirtualDirectoryWatcher Alloc(VirtualDirectory directory)
{
lock (_lockObject)
{
if (_isDisposed)
{
throw new ObjectDisposedException(nameof(VirtualDirectoryWatcherSource));
}
if (!_directoryWatchers.ContainsKey(directory))
{
var newWatcher = new VirtualDirectoryWatcher(directory, this);
_directoryWatchers[directory] = newWatcher;
_watchersAllocations[newWatcher] = 0;
}
var watcher = _directoryWatchers[directory];
_watchersAllocations[watcher]++;
return(watcher);
}
}
internal VirtualDirectoryWatcher(VirtualDirectory directory, VirtualDirectoryWatcherSource source)
{
Directory = directory ?? throw new ArgumentNullException(nameof(directory));
_source = source ?? throw new ArgumentNullException(nameof(source));
}
internal void RaiseDeleted(VirtualDirectory directory)
{
DirectoryEvent?.Invoke(this, new DirectoryEventArgs(directory, WatcherEvent.Deleted));
}
internal DirectoryEventArgs(VirtualDirectory directory, WatcherEvent @event)
{
Directory = directory;
Event = @event;
}