| /* |
| * 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.queries.function; |
| |
| import java.util.Collections; |
| |
| import org.apache.lucene.document.Document; |
| import org.apache.lucene.document.Field; |
| import org.apache.lucene.document.SortedSetDocValuesField; |
| import org.apache.lucene.index.LeafReader; |
| import org.apache.lucene.index.DirectoryReader; |
| import org.apache.lucene.index.IndexWriter; |
| import org.apache.lucene.queries.function.valuesource.SortedSetFieldSource; |
| import org.apache.lucene.search.*; |
| import org.apache.lucene.store.Directory; |
| import org.apache.lucene.util.BytesRef; |
| import org.apache.lucene.util.LuceneTestCase; |
| |
| public class TestSortedSetFieldSource extends LuceneTestCase { |
| public void testSimple() throws Exception { |
| Directory dir = newDirectory(); |
| IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig(null)); |
| Document doc = new Document(); |
| doc.add(new SortedSetDocValuesField("value", new BytesRef("baz"))); |
| doc.add(newStringField("id", "2", Field.Store.YES)); |
| writer.addDocument(doc); |
| doc = new Document(); |
| doc.add(new SortedSetDocValuesField("value", new BytesRef("foo"))); |
| doc.add(new SortedSetDocValuesField("value", new BytesRef("bar"))); |
| doc.add(newStringField("id", "1", Field.Store.YES)); |
| writer.addDocument(doc); |
| writer.forceMerge(1); |
| writer.close(); |
| |
| DirectoryReader ir = DirectoryReader.open(dir); |
| IndexSearcher searcher = newSearcher(ir); |
| LeafReader ar = getOnlyLeafReader(ir); |
| |
| ValueSource vs = new SortedSetFieldSource("value"); |
| FunctionValues values = vs.getValues(Collections.emptyMap(), ar.getContext()); |
| assertEquals("baz", values.strVal(0)); |
| assertEquals("bar", values.strVal(1)); |
| |
| // test SortField optimization |
| final boolean reverse = random().nextBoolean(); |
| SortField vssf = vs.getSortField(reverse); |
| SortField sf = new SortedSetSortField("value", reverse); |
| assertEquals(sf, vssf); |
| |
| vssf = vssf.rewrite(searcher); |
| sf = sf.rewrite(searcher); |
| assertEquals(sf, vssf); |
| |
| // test scorer |
| vs = new SortedSetFieldSource("value"); |
| values = vs.getValues(Collections.emptyMap(), ar.getContext()); |
| ValueSourceScorer vss = values.getRangeScorer(new MatchAllDocsQuery().createWeight(searcher, ScoreMode.TOP_SCORES, 1), ar.getContext(), "a", "z", true, true); |
| |
| DocIdSetIterator iterator = vss.iterator(); |
| assertEquals("baz", values.strVal(iterator.nextDoc())); |
| assertEquals("bar", values.strVal(iterator.nextDoc())); |
| |
| ir.close(); |
| dir.close(); |
| } |
| } |