| package org.apache.lucene.search.spans; |
| |
| /** |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.apache.lucene.analysis.Analyzer; |
| import org.apache.lucene.analysis.StopAnalyzer; |
| import org.apache.lucene.document.Document; |
| import org.apache.lucene.document.Field; |
| import org.apache.lucene.index.IndexReader; |
| import org.apache.lucene.index.RandomIndexWriter; |
| import org.apache.lucene.index.Term; |
| import org.apache.lucene.search.IndexSearcher; |
| import org.apache.lucene.store.Directory; |
| import org.apache.lucene.util.LuceneTestCase; |
| |
| public class TestSpanFirstQuery extends LuceneTestCase { |
| public void testStartPositions() throws Exception { |
| Directory dir = newDirectory(); |
| |
| // mimic StopAnalyzer |
| Analyzer analyzer = new StopAnalyzer(TEST_VERSION_CURRENT); |
| |
| RandomIndexWriter writer = new RandomIndexWriter(random, dir, analyzer); |
| Document doc = new Document(); |
| doc.add(newField("field", "the quick brown fox", Field.Index.ANALYZED)); |
| writer.addDocument(doc); |
| Document doc2 = new Document(); |
| doc2.add(newField("field", "quick brown fox", Field.Index.ANALYZED)); |
| writer.addDocument(doc2); |
| |
| IndexReader reader = writer.getReader(); |
| IndexSearcher searcher = newSearcher(reader); |
| |
| // user queries on "starts-with quick" |
| SpanQuery sfq = new SpanFirstQuery(new SpanTermQuery(new Term("field", "quick")), 1); |
| assertEquals(1, searcher.search(sfq, 10).totalHits); |
| |
| // user queries on "starts-with the quick" |
| SpanQuery include = new SpanFirstQuery(new SpanTermQuery(new Term("field", "quick")), 2); |
| sfq = new SpanNotQuery(include, sfq); |
| assertEquals(1, searcher.search(sfq, 10).totalHits); |
| |
| writer.close(); |
| searcher.close(); |
| reader.close(); |
| dir.close(); |
| } |
| } |