public override async Task AddDirectoryAsync(VfsDirectory directory, CancellationToken cancel = default)
{
using (await AsyncLock.LockWithAwait(cancel))
{
int r = directory.AddLinkRef();
try
{
if (r >= 2)
{
throw new VfsException(directory.Name, "The directory object is already referenced by other directory.");
}
if (directory.FileSystem != this.FileSystem)
{
throw new VfsException(directory.Name, "directory.FileSystem != this.FileSystem");
}
FileSystem.PathParser.ValidateFileOrDirectoryName(directory.Name);
if (EntityTable.ContainsKey(directory.Name))
{
throw new VfsException(directory.Name, "The same name already exists.");
}
EntityTable.Add(directory.Name, directory);
}
catch
{
await directory.ReleaseLinkAsync();
throw;
}
}
}
public override async Task RemoveDirectoryAsync(VfsDirectory directory, CancellationToken cancel = default)
{
using (await AsyncLock.LockWithAwait(cancel))
{
if (EntityTable.ContainsValue(directory) == false)
{
throw new VfsException(directory.Name, $"The object is not contained on the parent directory \"{this.Name}\".");
}
await directory.ReleaseLinkAsync();
EntityTable.Remove(directory.Name);
}
}
public abstract Task RemoveDirectoryAsync(VfsDirectory directory, CancellationToken cancel = default);