+++ /dev/null
-package org.apache.lucene.index;
-
-/**
- * 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.util.LuceneTestCase;
-import junit.framework.TestSuite;
-import junit.textui.TestRunner;
-
-import org.apache.lucene.analysis.MockAnalyzer;
-import org.apache.lucene.store.Directory;
-import org.apache.lucene.document.Document;
-import org.apache.lucene.document.Field;
-
-import java.io.IOException;
-
-public class TestFilterIndexReader extends LuceneTestCase {
-
- private static class TestReader extends FilterIndexReader {
-
- /** Filter that only permits terms containing 'e'.*/
- private static class TestTermEnum extends FilterTermEnum {
- public TestTermEnum(TermEnum termEnum) {
- super(termEnum);
- }
-
- /** Scan for terms containing the letter 'e'.*/
- @Override
- public boolean next() throws IOException {
- while (in.next()) {
- if (in.term().text().indexOf('e') != -1)
- return true;
- }
- return false;
- }
- }
-
- /** Filter that only returns odd numbered documents. */
- private static class TestTermPositions extends FilterTermPositions {
- public TestTermPositions(TermPositions in) {
- super(in);
- }
-
- /** Scan for odd numbered documents. */
- @Override
- public boolean next() throws IOException {
- while (in.next()) {
- if ((in.doc() % 2) == 1)
- return true;
- }
- return false;
- }
- }
-
- public TestReader(IndexReader reader) {
- super(reader);
- }
-
- /** Filter terms with TestTermEnum. */
- @Override
- public TermEnum terms() throws IOException {
- return new TestTermEnum(in.terms());
- }
-
- /** Filter positions with TestTermPositions. */
- @Override
- public TermPositions termPositions() throws IOException {
- return new TestTermPositions(in.termPositions());
- }
- }
-
-
- /** Main for running test case by itself. */
- public static void main(String args[]) {
- TestRunner.run (new TestSuite(TestIndexReader.class));
- }
-
- /**
- * Tests the IndexReader.getFieldNames implementation
- * @throws Exception on error
- */
- public void testFilterIndexReader() throws Exception {
- Directory directory = newDirectory();
- IndexWriter writer = new IndexWriter(directory, newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)));
-
- Document d1 = new Document();
- d1.add(newField("default","one two", Field.Store.YES, Field.Index.ANALYZED));
- writer.addDocument(d1);
-
- Document d2 = new Document();
- d2.add(newField("default","one three", Field.Store.YES, Field.Index.ANALYZED));
- writer.addDocument(d2);
-
- Document d3 = new Document();
- d3.add(newField("default","two four", Field.Store.YES, Field.Index.ANALYZED));
- writer.addDocument(d3);
-
- writer.close();
-
- IndexReader reader = new TestReader(IndexReader.open(directory, true));
- TermEnum terms = reader.terms();
- while (terms.next()) {
- assertTrue(terms.term().text().indexOf('e') != -1);
- }
- terms.close();
-
- TermPositions positions = reader.termPositions(new Term("default", "one"));
- while (positions.next()) {
- assertTrue((positions.doc() % 2) == 1);
- }
-
- int NUM_DOCS = 3;
-
- TermDocs td = reader.termDocs(null);
- for(int i=0;i<NUM_DOCS;i++) {
- assertTrue(td.next());
- assertEquals(i, td.doc());
- assertEquals(1, td.freq());
- }
- td.close();
- reader.close();
- directory.close();
- }
-}