/// <summary>
/// returns the toc which is asynchronously completed.
/// </summary>
internal Toc <T> Start()
{
_toc = new Toc <T>();
_fetchState = FetchState.GET_TOC_INFO;
_communicator.RegisterEventHandler(_port, TocPacketReceived);
SendTocInfoRequest();
return(_toc);
}
public void AddToc(uint crc, Toc <T> toc)
{
lock (_cached)
{
_cached[crc] = toc;
if (GetFromFileCache(crc) == null)
{
toc.SerializeToFile(new FileInfo(Path.Combine(_cacheDirectory.FullName, GetFileName(crc))));
}
}
}
public static Toc <T> DeserializeFromFile(FileInfo file)
{
var asList = JsonConvert.DeserializeObject <List <T> >(
File.ReadAllText(file.FullName));
var fileResult = new Toc <T>();
foreach (var element in asList)
{
fileResult.AddElement(element);
}
return(fileResult);
}
public Toc <T> GetByCrc(uint crc)
{
lock (_cached)
{
Toc <T> resultToc;
if (!_cached.TryGetValue(crc, out resultToc))
{
var cachedFile = GetFromFileCache(crc);
if (cachedFile != null)
{
var fromFile = Toc <T> .DeserializeFromFile(cachedFile);
_cached[crc] = fromFile;
resultToc = fromFile;
}
}
return(resultToc);
}
}
/// <summary>
/// take elements from a cached LogToc.
/// </summary>
internal void AddFromCache(Toc <T> cached)
{
_tocContent = cached._tocContent;
}
protected void FetchTocFromTocFetcher()
{
CurrentToc = _tocFetcher.Start();
}
public Task <Toc <T> > RefreshToc()
{
CurrentToc = null;
_loadTocDone.Reset();
return(Task.Run(() => LoadToc()));
}