| package org.apache.lucene.search; |
| |
| /* |
| * 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 java.util.Arrays; |
| |
| import org.apache.lucene.index.Term; |
| import org.apache.lucene.util.BytesRef; |
| import org.apache.lucene.util.LuceneTestCase; |
| |
| import org.apache.lucene.document.DateTools; |
| import org.apache.lucene.document.Document; |
| import org.apache.lucene.document.Field; |
| import org.apache.lucene.document.SortedDocValuesField; |
| import org.apache.lucene.index.IndexReader; |
| import org.apache.lucene.index.RandomIndexWriter; |
| import org.apache.lucene.index.StoredDocument; |
| import org.apache.lucene.store.Directory; |
| |
| /** |
| * Test date sorting, i.e. auto-sorting of fields with type "long". |
| * See http://issues.apache.org/jira/browse/LUCENE-1045 |
| */ |
| public class TestDateSort extends LuceneTestCase { |
| |
| private static final String TEXT_FIELD = "text"; |
| private static final String DATE_TIME_FIELD = "dateTime"; |
| |
| private Directory directory; |
| private IndexReader reader; |
| |
| @Override |
| public void setUp() throws Exception { |
| super.setUp(); |
| // Create an index writer. |
| directory = newDirectory(); |
| RandomIndexWriter writer = new RandomIndexWriter(random(), directory); |
| |
| // oldest doc: |
| // Add the first document. text = "Document 1" dateTime = Oct 10 03:25:22 EDT 2007 |
| writer.addDocument(createDocument("Document 1", 1192001122000L)); |
| // Add the second document. text = "Document 2" dateTime = Oct 10 03:25:26 EDT 2007 |
| writer.addDocument(createDocument("Document 2", 1192001126000L)); |
| // Add the third document. text = "Document 3" dateTime = Oct 11 07:12:13 EDT 2007 |
| writer.addDocument(createDocument("Document 3", 1192101133000L)); |
| // Add the fourth document. text = "Document 4" dateTime = Oct 11 08:02:09 EDT 2007 |
| writer.addDocument(createDocument("Document 4", 1192104129000L)); |
| // latest doc: |
| // Add the fifth document. text = "Document 5" dateTime = Oct 12 13:25:43 EDT 2007 |
| writer.addDocument(createDocument("Document 5", 1192209943000L)); |
| |
| reader = writer.getReader(); |
| writer.shutdown(); |
| } |
| |
| @Override |
| public void tearDown() throws Exception { |
| reader.close(); |
| directory.close(); |
| super.tearDown(); |
| } |
| |
| public void testReverseDateSort() throws Exception { |
| IndexSearcher searcher = newSearcher(reader); |
| |
| Sort sort = new Sort(new SortField(DATE_TIME_FIELD, SortField.Type.STRING, true)); |
| Query query = new TermQuery(new Term(TEXT_FIELD, "document")); |
| |
| // Execute the search and process the search results. |
| String[] actualOrder = new String[5]; |
| ScoreDoc[] hits = searcher.search(query, null, 1000, sort).scoreDocs; |
| for (int i = 0; i < hits.length; i++) { |
| StoredDocument document = searcher.doc(hits[i].doc); |
| String text = document.get(TEXT_FIELD); |
| actualOrder[i] = text; |
| } |
| |
| // Set up the expected order (i.e. Document 5, 4, 3, 2, 1). |
| String[] expectedOrder = new String[5]; |
| expectedOrder[0] = "Document 5"; |
| expectedOrder[1] = "Document 4"; |
| expectedOrder[2] = "Document 3"; |
| expectedOrder[3] = "Document 2"; |
| expectedOrder[4] = "Document 1"; |
| |
| assertEquals(Arrays.asList(expectedOrder), Arrays.asList(actualOrder)); |
| } |
| |
| private Document createDocument(String text, long time) { |
| Document document = new Document(); |
| |
| // Add the text field. |
| Field textField = newTextField(TEXT_FIELD, text, Field.Store.YES); |
| document.add(textField); |
| |
| // Add the date/time field. |
| String dateTimeString = DateTools.timeToString(time, DateTools.Resolution.SECOND); |
| Field dateTimeField = newStringField(DATE_TIME_FIELD, dateTimeString, Field.Store.YES); |
| document.add(dateTimeField); |
| document.add(new SortedDocValuesField(DATE_TIME_FIELD, new BytesRef(dateTimeString))); |
| |
| return document; |
| } |
| |
| } |