X-Git-Url: https://git.mdrn.pl/pylucene.git/blobdiff_plain/a2e61f0c04805cfcb8706176758d1283c7e3a55c..aaeed5504b982cf3545252ab528713250aa33eed:/lucene-java-3.5.0/lucene/contrib/analyzers/stempel/src/java/org/egothor/stemmer/Optimizer.java diff --git a/lucene-java-3.5.0/lucene/contrib/analyzers/stempel/src/java/org/egothor/stemmer/Optimizer.java b/lucene-java-3.5.0/lucene/contrib/analyzers/stempel/src/java/org/egothor/stemmer/Optimizer.java new file mode 100644 index 0000000..3bd612e --- /dev/null +++ b/lucene-java-3.5.0/lucene/contrib/analyzers/stempel/src/java/org/egothor/stemmer/Optimizer.java @@ -0,0 +1,198 @@ +/* + 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; + +import java.util.ArrayList; +import java.util.Arrays; +import java.util.Iterator; +import java.util.List; + +/** + * The Optimizer class is a Trie that will be reduced (have empty rows removed). + *
+ * The reduction will be made by joining two rows where the first is a subset of
+ * the second.
+ */
+public class Optimizer extends Reduce {
+ /**
+ * Constructor for the Optimizer object.
+ */
+ public Optimizer() {}
+
+ /**
+ * Optimize (remove empty rows) from the given Trie and return the resulting
+ * Trie.
+ *
+ * @param orig the Trie to consolidate
+ * @return the newly consolidated Trie
+ */
+ @Override
+ public Trie optimize(Trie orig) {
+ List