+++ /dev/null
-/*
- Egothor Software License version 1.00
- Copyright (C) 1997-2004 Leo Galambos.
- Copyright (C) 2002-2004 "Egothor developers"
- on behalf of the Egothor Project.
- All rights reserved.
-
- This software is copyrighted by the "Egothor developers". If this
- license applies to a single file or document, the "Egothor developers"
- are the people or entities mentioned as copyright holders in that file
- or document. If this license applies to the Egothor project as a
- whole, the copyright holders are the people or entities mentioned in
- the file CREDITS. This file can be found in the same location as this
- license in the distribution.
-
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions are
- met:
- 1. Redistributions of source code must retain the above copyright
- notice, the list of contributors, this list of conditions, and the
- following disclaimer.
- 2. Redistributions in binary form must reproduce the above copyright
- notice, the list of contributors, this list of conditions, and the
- disclaimer that follows these conditions in the documentation
- and/or other materials provided with the distribution.
- 3. The name "Egothor" must not be used to endorse or promote products
- derived from this software without prior written permission. For
- written permission, please contact Leo.G@seznam.cz
- 4. Products derived from this software may not be called "Egothor",
- nor may "Egothor" appear in their name, without prior written
- permission from Leo.G@seznam.cz.
-
- In addition, we request that you include in the end-user documentation
- provided with the redistribution and/or in the software itself an
- acknowledgement equivalent to the following:
- "This product includes software developed by the Egothor Project.
- http://egothor.sf.net/"
-
- THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
- WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- IN NO EVENT SHALL THE EGOTHOR PROJECT OR ITS CONTRIBUTORS BE LIABLE
- FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
- BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
- OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
- IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
- This software consists of voluntary contributions made by many
- individuals on behalf of the Egothor Project and was originally
- created by Leo Galambos (Leo.G@seznam.cz).
- */
-package org.egothor.stemmer;
-
-/**
- * The Optimizer class is a Trie that will be reduced (have empty rows removed).
- * <p>
- * This is the result of allowing a joining of rows when there is no collision
- * between non-<tt>null</tt> values in the rows. Information loss, resulting in
- * the stemmer not being able to recognize words (as in Optimizer), is
- * curtailed, allowing the stemmer to recognize words for which the original
- * trie was built. Use of this class allows the stemmer to be self-teaching.
- */
-public class Optimizer2 extends Optimizer {
- /**
- * Constructor for the Optimizer2 object.
- */
- public Optimizer2() {}
-
- /**
- * Merge the given Cells and return the resulting Cell.
- *
- * @param m the master Cell
- * @param e the existing Cell
- * @return the resulting Cell, or <tt>null</tt> if the operation cannot be
- * realized
- */
- @Override
- public Cell merge(Cell m, Cell e) {
- if (m.cmd == e.cmd && m.ref == e.ref && m.skip == e.skip) {
- Cell c = new Cell(m);
- c.cnt += e.cnt;
- return c;
- } else {
- return null;
- }
- }
-}
fnp / pylucene.git / blobdiff