public Task InitializeAsync()
{
if (watchers.Count == 0)
{
log.Debug("Initializing in directory '{0}'.", directoryPath);
Action initializeFromDirectory = () =>
{
log.Debug("Initializing from file system.");
using (backgroundContext.Start())
{
storage.AddRange(EnumerateDirectory(directoryPath));
storage.IsCacheUsed = false;
}
log.Info("Found '{0}' items in file system.", storage.Count);
};
if (!storage.IsCacheEmpty)
{
log.Debug("Cache is not empty.");
if (storage.Count == 0)
{
log.Debug("Cache is not yet initialized.");
}
else
{
log.Debug("Cache contains '{0}' items.", storage.Count);
}
Task.Factory.StartNew(initializeFromDirectory).ContinueWith(t =>
{
if (t.IsFaulted)
{
backgroundExceptionHandler.Handle(t.Exception);
}
});
}
return(Task.Factory.StartNew(() =>
{
if (watchers.Count == 0)
{
InitializeWatchers(directoryPath);
if (storage.IsCacheEmpty)
{
log.Debug("Cache is empty.");
initializeFromDirectory();
}
}
}));
}
return(Async.CompletedTask);
}