private void UpdateParentDirectory(IDirectoryEntryInfoOverrides overrides)
{
var directory = directoryCache.ReadDirectory(parentDirectoryBlockId);
try
{
directory.UpdateEntry(index.BlockId, overrides);
}
finally
{
directoryCache.UnRegisterDirectory(directory.BlockId);
}
}
public void UpdateEntry(int blockId, IDirectoryEntryInfoOverrides overrides)
{
if (overrides == null)
{
throw new ArgumentNullException(nameof(overrides));
}
if (blockId < 0)
{
throw new ArgumentOutOfRangeException(nameof(blockId));
}
indexLock.EnterWriteLock();
try
{
var buffer = new DirectoryItem[itemsCount];
blockStream.Read(1, buffer);
for (var i = 0; i < buffer.Length; i++)
{
var entry = buffer[i];
if (entry.Entry.BlockIndex == blockId && (entry.Entry.Flags & DirectoryFlags.Deleted) == 0)
{
ApplyOverrides(ref entry.Entry, overrides);
blockStream.Write(i + 1, new[] { entry });
return;
}
}
}
finally
{
indexLock.ExitWriteLock();
}
throw new Exception("Entry not found");
}
private void ApplyOverrides(ref DirectoryEntryStruct entry, IDirectoryEntryInfoOverrides overrides)
{
entry.Size = overrides.Size ?? entry.Size;
entry.Updated = overrides.Updated?.Ticks ?? entry.Updated;
entry.Flags = overrides.Flags ?? entry.Flags;
}
public void UpdateEntry(int blockId, IDirectoryEntryInfoOverrides entry)
{
throw new InvalidOperationException("Directory is being deleted");
}
