| /* |
| * 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.index; |
| |
| |
| import org.apache.lucene.analysis.Analyzer; |
| import org.apache.lucene.analysis.MockAnalyzer; |
| import org.apache.lucene.document.Document; |
| import org.apache.lucene.document.Field; |
| import org.apache.lucene.document.FieldType; |
| import org.apache.lucene.document.TextField; |
| import org.apache.lucene.search.DocIdSetIterator; |
| import org.apache.lucene.store.Directory; |
| import org.apache.lucene.util.BytesRef; |
| import org.apache.lucene.util.LuceneTestCase; |
| import org.apache.lucene.util.TestUtil; |
| |
| /** |
| * |
| * @lucene.experimental |
| */ |
| public class TestOmitPositions extends LuceneTestCase { |
| |
| public void testBasic() throws Exception { |
| Directory dir = newDirectory(); |
| RandomIndexWriter w = new RandomIndexWriter(random(), dir); |
| Document doc = new Document(); |
| FieldType ft = new FieldType(TextField.TYPE_NOT_STORED); |
| ft.setIndexOptions(IndexOptions.DOCS_AND_FREQS); |
| Field f = newField("foo", "this is a test test", ft); |
| doc.add(f); |
| for (int i = 0; i < 100; i++) { |
| w.addDocument(doc); |
| } |
| |
| IndexReader reader = w.getReader(); |
| w.close(); |
| |
| assertNotNull(MultiTerms.getTermPostingsEnum(reader, "foo", new BytesRef("test"))); |
| |
| PostingsEnum de = TestUtil.docs(random(), reader, "foo", new BytesRef("test"), null, PostingsEnum.FREQS); |
| while (de.nextDoc() != DocIdSetIterator.NO_MORE_DOCS) { |
| assertEquals(2, de.freq()); |
| } |
| |
| reader.close(); |
| dir.close(); |
| } |
| |
| // Tests whether the DocumentWriter correctly enable the |
| // omitTermFreqAndPositions bit in the FieldInfo |
| public void testPositions() throws Exception { |
| Directory ram = newDirectory(); |
| Analyzer analyzer = new MockAnalyzer(random()); |
| IndexWriter writer = new IndexWriter(ram, newIndexWriterConfig(analyzer)); |
| Document d = new Document(); |
| |
| // f1: docs only |
| FieldType ft = new FieldType(TextField.TYPE_NOT_STORED); |
| ft.setIndexOptions(IndexOptions.DOCS); |
| |
| Field f1 = newField("f1", "This field has docs only", ft); |
| d.add(f1); |
| |
| FieldType ft2 = new FieldType(TextField.TYPE_NOT_STORED); |
| ft2.setIndexOptions(IndexOptions.DOCS_AND_FREQS); |
| |
| // f2: docs and freqs |
| Field f2 = newField("f2", "This field has docs and freqs", ft2); |
| d.add(f2); |
| |
| FieldType ft3 = new FieldType(TextField.TYPE_NOT_STORED); |
| ft3.setIndexOptions(IndexOptions.DOCS_AND_FREQS_AND_POSITIONS); |
| |
| // f3: docs/freqs/positions |
| Field f3 = newField("f3", "This field has docs and freqs and positions", ft3); |
| d.add(f3); |
| |
| writer.addDocument(d); |
| writer.forceMerge(1); |
| // flush |
| writer.close(); |
| |
| LeafReader reader = getOnlyLeafReader(DirectoryReader.open(ram)); |
| FieldInfos fi = reader.getFieldInfos(); |
| // docs + docs = docs |
| assertEquals(IndexOptions.DOCS, fi.fieldInfo("f1").getIndexOptions()); |
| // docs/freqs + docs/freqs = docs/freqs |
| assertEquals(IndexOptions.DOCS_AND_FREQS, fi.fieldInfo("f2").getIndexOptions()); |
| // docs/freqs/pos + docs/freqs/pos = docs/freqs/pos |
| assertEquals(IndexOptions.DOCS_AND_FREQS_AND_POSITIONS, fi.fieldInfo("f3").getIndexOptions()); |
| |
| reader.close(); |
| ram.close(); |
| } |
| |
| private void assertNoPrx(Directory dir) throws Throwable { |
| final String[] files = dir.listAll(); |
| for(int i=0;i<files.length;i++) { |
| assertFalse(files[i].endsWith(".prx")); |
| assertFalse(files[i].endsWith(".pos")); |
| } |
| } |
| |
| // Verifies no *.prx exists when all fields omit term positions: |
| public void testNoPrxFile() throws Throwable { |
| Directory ram = newDirectory(); |
| |
| Analyzer analyzer = new MockAnalyzer(random()); |
| IndexWriter writer = new IndexWriter(ram, newIndexWriterConfig(analyzer) |
| .setMaxBufferedDocs(3) |
| .setMergePolicy(newLogMergePolicy())); |
| LogMergePolicy lmp = (LogMergePolicy) writer.getConfig().getMergePolicy(); |
| lmp.setMergeFactor(2); |
| lmp.setNoCFSRatio(0.0); |
| Document d = new Document(); |
| |
| FieldType ft = new FieldType(TextField.TYPE_NOT_STORED); |
| ft.setIndexOptions(IndexOptions.DOCS_AND_FREQS); |
| Field f1 = newField("f1", "This field has term freqs", ft); |
| d.add(f1); |
| |
| for(int i=0;i<30;i++) |
| writer.addDocument(d); |
| |
| writer.commit(); |
| |
| assertNoPrx(ram); |
| |
| writer.close(); |
| ram.close(); |
| } |
| |
| } |