/// <summary> Creates a new <code>RAMDirectory</code> instance from the {@link FSDirectory}.
///
/// </summary>
/// <param name="dir">a <code>String</code> specifying the full index directory path
/// </param>
public RAMDirectory(System.String dir) : this(FSDirectory.GetDirectory(dir, false), true)
{
}
/// <summary> Creates a new <code>RAMDirectory</code> instance from the {@link FSDirectory}.
///
/// </summary>
/// <param name="dir">a <code>File</code> specifying the index directory
/// </param>
public RAMDirectory(System.IO.FileInfo dir) : this(FSDirectory.GetDirectory(dir, false), true)
{
}