| /* |
| * 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. |
| */ |
| package org.apache.lucene.search; |
| |
| import org.apache.lucene.document.Document; |
| import org.apache.lucene.document.Field; |
| import org.apache.lucene.document.SortedNumericDocValuesField; |
| import org.apache.lucene.index.IndexReader; |
| import org.apache.lucene.index.MultiReader; |
| import org.apache.lucene.index.RandomIndexWriter; |
| import org.apache.lucene.index.Term; |
| import org.apache.lucene.store.Directory; |
| import org.apache.lucene.util.LuceneTestCase; |
| import org.apache.lucene.util.NumericUtils; |
| |
| /** Simple tests for SortedNumericSortField */ |
| public class TestSortedNumericSortField extends LuceneTestCase { |
| |
| public void testEmptyIndex() throws Exception { |
| IndexSearcher empty = newSearcher(new MultiReader()); |
| Query query = new TermQuery(new Term("contents", "foo")); |
| |
| Sort sort = new Sort(); |
| sort.setSort(new SortedNumericSortField("sortednumeric", SortField.Type.LONG)); |
| TopDocs td = empty.search(query, 10, sort, true); |
| assertEquals(0, td.totalHits.value); |
| |
| // for an empty index, any selector should work |
| for (SortedNumericSelector.Type v : SortedNumericSelector.Type.values()) { |
| sort.setSort(new SortedNumericSortField("sortednumeric", SortField.Type.LONG, false, v)); |
| td = empty.search(query, 10, sort, true); |
| assertEquals(0, td.totalHits.value); |
| } |
| } |
| |
| public void testEquals() throws Exception { |
| SortField sf = new SortedNumericSortField("a", SortField.Type.LONG); |
| assertFalse(sf.equals(null)); |
| |
| assertEquals(sf, sf); |
| |
| SortField sf2 = new SortedNumericSortField("a", SortField.Type.LONG); |
| assertEquals(sf, sf2); |
| assertEquals(sf.hashCode(), sf2.hashCode()); |
| |
| assertFalse(sf.equals(new SortedNumericSortField("a", SortField.Type.LONG, true))); |
| assertFalse(sf.equals(new SortedNumericSortField("a", SortField.Type.FLOAT))); |
| assertFalse(sf.equals(new SortedNumericSortField("b", SortField.Type.LONG))); |
| assertFalse(sf.equals(new SortedNumericSortField("a", SortField.Type.LONG, false, SortedNumericSelector.Type.MAX))); |
| assertFalse(sf.equals("foo")); |
| } |
| |
| public void testForward() throws Exception { |
| Directory dir = newDirectory(); |
| RandomIndexWriter writer = new RandomIndexWriter(random(), dir); |
| Document doc = new Document(); |
| doc.add(new SortedNumericDocValuesField("value", 5)); |
| doc.add(newStringField("id", "2", Field.Store.YES)); |
| writer.addDocument(doc); |
| doc = new Document(); |
| doc.add(new SortedNumericDocValuesField("value", 3)); |
| doc.add(new SortedNumericDocValuesField("value", 7)); |
| doc.add(newStringField("id", "1", Field.Store.YES)); |
| writer.addDocument(doc); |
| IndexReader ir = writer.getReader(); |
| writer.close(); |
| |
| IndexSearcher searcher = newSearcher(ir); |
| Sort sort = new Sort(new SortedNumericSortField("value", SortField.Type.INT)); |
| |
| TopDocs td = searcher.search(new MatchAllDocsQuery(), 10, sort); |
| assertEquals(2, td.totalHits.value); |
| // 3 comes before 5 |
| assertEquals("1", searcher.doc(td.scoreDocs[0].doc).get("id")); |
| assertEquals("2", searcher.doc(td.scoreDocs[1].doc).get("id")); |
| |
| ir.close(); |
| dir.close(); |
| } |
| |
| public void testReverse() throws Exception { |
| Directory dir = newDirectory(); |
| RandomIndexWriter writer = new RandomIndexWriter(random(), dir); |
| Document doc = new Document(); |
| doc.add(new SortedNumericDocValuesField("value", 3)); |
| doc.add(new SortedNumericDocValuesField("value", 7)); |
| doc.add(newStringField("id", "1", Field.Store.YES)); |
| writer.addDocument(doc); |
| doc = new Document(); |
| doc.add(new SortedNumericDocValuesField("value", 5)); |
| doc.add(newStringField("id", "2", Field.Store.YES)); |
| writer.addDocument(doc); |
| |
| IndexReader ir = writer.getReader(); |
| writer.close(); |
| |
| IndexSearcher searcher = newSearcher(ir); |
| Sort sort = new Sort(new SortedNumericSortField("value", SortField.Type.INT, true)); |
| |
| TopDocs td = searcher.search(new MatchAllDocsQuery(), 10, sort); |
| assertEquals(2, td.totalHits.value); |
| // 'bar' comes before 'baz' |
| assertEquals("2", searcher.doc(td.scoreDocs[0].doc).get("id")); |
| assertEquals("1", searcher.doc(td.scoreDocs[1].doc).get("id")); |
| |
| ir.close(); |
| dir.close(); |
| } |
| |
| public void testMissingFirst() throws Exception { |
| Directory dir = newDirectory(); |
| RandomIndexWriter writer = new RandomIndexWriter(random(), dir); |
| Document doc = new Document(); |
| doc.add(new SortedNumericDocValuesField("value", 5)); |
| doc.add(newStringField("id", "2", Field.Store.YES)); |
| writer.addDocument(doc); |
| doc = new Document(); |
| doc.add(new SortedNumericDocValuesField("value", 3)); |
| doc.add(new SortedNumericDocValuesField("value", 7)); |
| doc.add(newStringField("id", "1", Field.Store.YES)); |
| writer.addDocument(doc); |
| doc = new Document(); |
| doc.add(newStringField("id", "3", Field.Store.YES)); |
| writer.addDocument(doc); |
| IndexReader ir = writer.getReader(); |
| writer.close(); |
| |
| IndexSearcher searcher = newSearcher(ir); |
| SortField sortField = new SortedNumericSortField("value", SortField.Type.INT); |
| sortField.setMissingValue(Integer.MIN_VALUE); |
| Sort sort = new Sort(sortField); |
| |
| TopDocs td = searcher.search(new MatchAllDocsQuery(), 10, sort); |
| assertEquals(3, td.totalHits.value); |
| // 3 comes before 5 |
| // null comes first |
| assertEquals("3", searcher.doc(td.scoreDocs[0].doc).get("id")); |
| assertEquals("1", searcher.doc(td.scoreDocs[1].doc).get("id")); |
| assertEquals("2", searcher.doc(td.scoreDocs[2].doc).get("id")); |
| |
| ir.close(); |
| dir.close(); |
| } |
| |
| public void testMissingLast() throws Exception { |
| Directory dir = newDirectory(); |
| RandomIndexWriter writer = new RandomIndexWriter(random(), dir); |
| Document doc = new Document(); |
| doc.add(new SortedNumericDocValuesField("value", 5)); |
| doc.add(newStringField("id", "2", Field.Store.YES)); |
| writer.addDocument(doc); |
| doc = new Document(); |
| doc.add(new SortedNumericDocValuesField("value", 3)); |
| doc.add(new SortedNumericDocValuesField("value", 7)); |
| doc.add(newStringField("id", "1", Field.Store.YES)); |
| writer.addDocument(doc); |
| doc = new Document(); |
| doc.add(newStringField("id", "3", Field.Store.YES)); |
| writer.addDocument(doc); |
| IndexReader ir = writer.getReader(); |
| writer.close(); |
| |
| IndexSearcher searcher = newSearcher(ir); |
| SortField sortField = new SortedNumericSortField("value", SortField.Type.INT); |
| sortField.setMissingValue(Integer.MAX_VALUE); |
| Sort sort = new Sort(sortField); |
| |
| TopDocs td = searcher.search(new MatchAllDocsQuery(), 10, sort); |
| assertEquals(3, td.totalHits.value); |
| // 3 comes before 5 |
| assertEquals("1", searcher.doc(td.scoreDocs[0].doc).get("id")); |
| assertEquals("2", searcher.doc(td.scoreDocs[1].doc).get("id")); |
| // null comes last |
| assertEquals("3", searcher.doc(td.scoreDocs[2].doc).get("id")); |
| |
| ir.close(); |
| dir.close(); |
| } |
| |
| public void testSingleton() throws Exception { |
| Directory dir = newDirectory(); |
| RandomIndexWriter writer = new RandomIndexWriter(random(), dir); |
| Document doc = new Document(); |
| doc.add(new SortedNumericDocValuesField("value", 5)); |
| doc.add(newStringField("id", "2", Field.Store.YES)); |
| writer.addDocument(doc); |
| doc = new Document(); |
| doc.add(new SortedNumericDocValuesField("value", 3)); |
| doc.add(newStringField("id", "1", Field.Store.YES)); |
| writer.addDocument(doc); |
| IndexReader ir = writer.getReader(); |
| writer.close(); |
| |
| IndexSearcher searcher = newSearcher(ir); |
| Sort sort = new Sort(new SortedNumericSortField("value", SortField.Type.INT)); |
| |
| TopDocs td = searcher.search(new MatchAllDocsQuery(), 10, sort); |
| assertEquals(2, td.totalHits.value); |
| // 3 comes before 5 |
| assertEquals("1", searcher.doc(td.scoreDocs[0].doc).get("id")); |
| assertEquals("2", searcher.doc(td.scoreDocs[1].doc).get("id")); |
| |
| ir.close(); |
| dir.close(); |
| } |
| |
| public void testFloat() throws Exception { |
| Directory dir = newDirectory(); |
| RandomIndexWriter writer = new RandomIndexWriter(random(), dir); |
| Document doc = new Document(); |
| doc.add(new SortedNumericDocValuesField("value", NumericUtils.floatToSortableInt(-3f))); |
| doc.add(newStringField("id", "2", Field.Store.YES)); |
| writer.addDocument(doc); |
| doc = new Document(); |
| doc.add(new SortedNumericDocValuesField("value", NumericUtils.floatToSortableInt(-5f))); |
| doc.add(new SortedNumericDocValuesField("value", NumericUtils.floatToSortableInt(7f))); |
| doc.add(newStringField("id", "1", Field.Store.YES)); |
| writer.addDocument(doc); |
| IndexReader ir = writer.getReader(); |
| writer.close(); |
| |
| IndexSearcher searcher = newSearcher(ir); |
| Sort sort = new Sort(new SortedNumericSortField("value", SortField.Type.FLOAT)); |
| |
| TopDocs td = searcher.search(new MatchAllDocsQuery(), 10, sort); |
| assertEquals(2, td.totalHits.value); |
| // -5 comes before -3 |
| assertEquals("1", searcher.doc(td.scoreDocs[0].doc).get("id")); |
| assertEquals("2", searcher.doc(td.scoreDocs[1].doc).get("id")); |
| |
| ir.close(); |
| dir.close(); |
| } |
| |
| public void testDouble() throws Exception { |
| Directory dir = newDirectory(); |
| RandomIndexWriter writer = new RandomIndexWriter(random(), dir); |
| Document doc = new Document(); |
| doc.add(new SortedNumericDocValuesField("value", NumericUtils.doubleToSortableLong(-3d))); |
| doc.add(newStringField("id", "2", Field.Store.YES)); |
| writer.addDocument(doc); |
| doc = new Document(); |
| doc.add(new SortedNumericDocValuesField("value", NumericUtils.doubleToSortableLong(-5d))); |
| doc.add(new SortedNumericDocValuesField("value", NumericUtils.doubleToSortableLong(7d))); |
| doc.add(newStringField("id", "1", Field.Store.YES)); |
| writer.addDocument(doc); |
| IndexReader ir = writer.getReader(); |
| writer.close(); |
| |
| IndexSearcher searcher = newSearcher(ir); |
| Sort sort = new Sort(new SortedNumericSortField("value", SortField.Type.DOUBLE)); |
| |
| TopDocs td = searcher.search(new MatchAllDocsQuery(), 10, sort); |
| assertEquals(2, td.totalHits.value); |
| // -5 comes before -3 |
| assertEquals("1", searcher.doc(td.scoreDocs[0].doc).get("id")); |
| assertEquals("2", searcher.doc(td.scoreDocs[1].doc).get("id")); |
| |
| ir.close(); |
| dir.close(); |
| } |
| } |