/* XuIndexer.java * * Copyright (c) 2002, Tuomas J. Lukka * * This file is part of Gzz. * * Gzz is free software; you can redistribute it and/or modify it under * the terms of the GNU Lesser General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * Gzz is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General * Public License for more details. * * You should have received a copy of the GNU Lesser General * Public License along with Gzz; if not, write to the Free * Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA * * */ /* * Written by Tuomas J. Lukka */ package org.fenfire.index; /** An index of xanadu links. */ public interface XuIndexer { /** Get an Index which, for Enfilade1Ds, * returns all XuLink objects where * the given enfilade overlaps the from * member. */ Index getForwardIndex(); Index getBackwardIndex(); void add(XuLink link); /** Remove a link. * Note that since we don't have equivalence classes between * links yet, this must be a XuLink that's really inside this * object, either inserted through add() or obtained through * an index. */ public void remove(XuLink link); }