public override void Digest(DataDigester.IDataHandler handler)
 {
     for (int i = 0; i < _data.Length; ++i)
     {
         handler.HandleDocument(_data[i]);
     }
 }
	    public BoboIndexer(DataDigester digester, Directory index)
            : base()
        {
		    _index = index;
		    _digester = digester;
	    }