/// <summary>Change the layer id of this directory</summary>
public static Task<FdbDirectorySubspace> ChangeLayerAsync(this FdbDirectorySubspace subspace, IFdbTransactional db, Slice newLayer, CancellationToken cancellationToken)
{
if (subspace == null) throw new ArgumentNullException("subspace");
if (db == null) throw new ArgumentNullException("db");
return db.ReadWriteAsync((tr) => subspace.ChangeLayerAsync(tr, newLayer), cancellationToken);
}
/// <summary>Change the layer id of the directory at <param name="path"/></summary>
public static Task<FdbDirectorySubspace> ChangeLayerAsync(this FdbDirectoryLayer directory, IFdbTransactional db, IEnumerable<string> path, Slice newLayer, CancellationToken cancellationToken)
{
if (directory == null) throw new ArgumentNullException("directory");
if (db == null) throw new ArgumentNullException("db");
if (path == null) throw new ArgumentNullException("path");
return db.ReadWriteAsync((tr) => directory.ChangeLayerAsync(tr, path, newLayer), cancellationToken);
}