public async ValueTask <FileInformation> Load(IFile file)
{
var root = _fileSystem.Path.GetPathRoot(file.Filename);
var volumeLock = _driveLocks.GetOrAdd(root, new Lazy <SemaphoreSlim>(() => new SemaphoreSlim(1, 1), LazyThreadSafetyMode.ExecutionAndPublication))
.Value;
Stream fileStream;
await volumeLock.WaitAsync();
try
{
if (file.Length > _options.LargeFileMargin)
{
return(await _fileInformationLoader.Load(file));
}
fileStream = await _fileInformationLoader.LoadFileToMemory(file);
}
finally
{
volumeLock.Release();
}
await using (fileStream)
{
return(_fileInformationLoader.Load(file, fileStream));
}
}
public async ValueTask <FileInformation> Load(IFile file)
{
if (_cachedResults.TryGetValue(file.Filename, out var fileInformation))
{
return(fileInformation);
}
var result = await _fileInformationLoader.Load(file);
_cachedResults.TryAdd(file.Filename, result);
return(result);
}