| package org.apache.lucene; |
| |
| /** |
| * Copyright 2004 The Apache Software Foundation |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| import java.io.IOException; |
| |
| 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 SearchTestForDuplicates { |
| |
| static final String PRIORITY_FIELD ="priority"; |
| static final String ID_FIELD ="id"; |
| static final String HIGH_PRIORITY ="high"; |
| static final String MED_PRIORITY ="medium"; |
| static final String LOW_PRIORITY ="low"; |
| |
| public static void main(String[] args) { |
| try { |
| Directory directory = new RAMDirectory(); |
| Analyzer analyzer = new SimpleAnalyzer(); |
| IndexWriter writer = new IndexWriter(directory, analyzer, true); |
| |
| final int MAX_DOCS = 225; |
| |
| for (int j = 0; j < MAX_DOCS; j++) { |
| Document d = new Document(); |
| d.add(Field.Text(PRIORITY_FIELD, HIGH_PRIORITY)); |
| d.add(Field.Text(ID_FIELD, Integer.toString(j))); |
| writer.addDocument(d); |
| } |
| writer.close(); |
| |
| // try a search without OR |
| Searcher searcher = new IndexSearcher(directory); |
| Hits hits = null; |
| |
| QueryParser parser = new QueryParser(PRIORITY_FIELD, analyzer); |
| |
| Query query = parser.parse(HIGH_PRIORITY); |
| System.out.println("Query: " + query.toString(PRIORITY_FIELD)); |
| |
| hits = searcher.search(query); |
| printHits(hits); |
| |
| searcher.close(); |
| |
| // try a new search with OR |
| searcher = new IndexSearcher(directory); |
| hits = null; |
| |
| parser = new QueryParser(PRIORITY_FIELD, analyzer); |
| |
| query = parser.parse(HIGH_PRIORITY + " OR " + MED_PRIORITY); |
| System.out.println("Query: " + query.toString(PRIORITY_FIELD)); |
| |
| hits = searcher.search(query); |
| printHits(hits); |
| |
| searcher.close(); |
| |
| } catch (Exception e) { |
| System.out.println(" caught a " + e.getClass() + |
| "\n with message: " + e.getMessage()); |
| } |
| } |
| |
| private static void printHits( Hits hits ) throws IOException { |
| System.out.println(hits.length() + " total results\n"); |
| for (int i = 0 ; i < hits.length(); i++) { |
| if ( i < 10 || (i > 94 && i < 105) ) { |
| Document d = hits.doc(i); |
| System.out.println(i + " " + d.get(ID_FIELD)); |
| } |
| } |
| } |
| |
| } |