| package org.apache.lucene; |
| |
| /* ==================================================================== |
| * The Apache Software License, Version 1.1 |
| * |
| * Copyright (c) 2001 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * 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, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, |
| * if any, must include the following acknowledgment: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowledgment may appear in the software itself, |
| * if and wherever such third-party acknowledgments normally appear. |
| * |
| * 4. The names "Apache" and "Apache Software Foundation" and |
| * "Apache Lucene" must not be used to endorse or promote products |
| * derived from this software without prior written permission. For |
| * written permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache", |
| * "Apache Lucene", nor may "Apache" appear in their name, without |
| * prior written permission of the Apache Software Foundation. |
| * |
| * 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 APACHE SOFTWARE FOUNDATION 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 Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| |
| import java.io.IOException; |
| import java.util.Date; |
| import java.util.GregorianCalendar; |
| |
| import org.apache.lucene.store.*; |
| import org.apache.lucene.document.*; |
| import org.apache.lucene.analysis.*; |
| import org.apache.lucene.index.*; |
| import org.apache.lucene.search.*; |
| import org.apache.lucene.queryParser.*; |
| |
| class SearchTest { |
| public static void main(String[] args) { |
| try { |
| Directory directory = new RAMDirectory(); |
| Analyzer analyzer = new SimpleAnalyzer(); |
| IndexWriter writer = new IndexWriter(directory, analyzer, true); |
| |
| String[] docs = { |
| "a b c d e", |
| "a b c d e a b c d e", |
| "a b c d e f g h i j", |
| "a c e", |
| "e c a", |
| "a c e a c e", |
| "a c e a b c" |
| }; |
| for (int j = 0; j < docs.length; j++) { |
| Document d = new Document(); |
| d.add(Field.Text("contents", docs[j])); |
| writer.addDocument(d); |
| } |
| writer.close(); |
| |
| Searcher searcher = new IndexSearcher(directory); |
| |
| String[] queries = { |
| // "a b", |
| // "\"a b\"", |
| // "\"a b c\"", |
| // "a c", |
| // "\"a c\"", |
| "\"a c e\"", |
| }; |
| Hits hits = null; |
| |
| QueryParser parser = new QueryParser("contents", analyzer); |
| parser.setPhraseSlop(4); |
| for (int j = 0; j < queries.length; j++) { |
| Query query = parser.parse(queries[j]); |
| System.out.println("Query: " + query.toString("contents")); |
| |
| //DateFilter filter = |
| // new DateFilter("modified", Time(1997,0,1), Time(1998,0,1)); |
| //DateFilter filter = DateFilter.Before("modified", Time(1997,00,01)); |
| //System.out.println(filter); |
| |
| hits = searcher.search(query, null); |
| |
| System.out.println(hits.length() + " total results"); |
| for (int i = 0 ; i < hits.length() && i < 10; i++) { |
| Document d = hits.doc(i); |
| System.out.println(i + " " + hits.score(i) |
| // + " " + DateField.stringToDate(d.get("modified")) |
| + " " + d.get("contents")); |
| } |
| } |
| searcher.close(); |
| |
| } catch (Exception e) { |
| System.out.println(" caught a " + e.getClass() + |
| "\n with message: " + e.getMessage()); |
| } |
| } |
| |
| static long Time(int year, int month, int day) { |
| GregorianCalendar calendar = new GregorianCalendar(); |
| calendar.set(year, month, day); |
| return calendar.getTime().getTime(); |
| } |
| } |