| /* |
| * 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.MockAnalyzer; |
| import org.apache.lucene.document.Document; |
| import org.apache.lucene.document.Field; |
| import org.apache.lucene.store.Directory; |
| import org.apache.lucene.util.LuceneTestCase; |
| |
| public class TestRollback extends LuceneTestCase { |
| |
| // LUCENE-2536 |
| public void testRollbackIntegrityWithBufferFlush() throws Exception { |
| Directory dir = newDirectory(); |
| RandomIndexWriter rw = new RandomIndexWriter(random(), dir); |
| for (int i = 0; i < 5; i++) { |
| Document doc = new Document(); |
| doc.add(newStringField("pk", Integer.toString(i), Field.Store.YES)); |
| rw.addDocument(doc); |
| } |
| rw.close(); |
| |
| // If buffer size is small enough to cause a flush, errors ensue... |
| IndexWriter w = new IndexWriter(dir, newIndexWriterConfig(new MockAnalyzer(random())) |
| .setMaxBufferedDocs(2) |
| .setOpenMode(IndexWriterConfig.OpenMode.APPEND)); |
| |
| for (int i = 0; i < 3; i++) { |
| Document doc = new Document(); |
| String value = Integer.toString(i); |
| doc.add(newStringField("pk", value, Field.Store.YES)); |
| doc.add(newStringField("text", "foo", Field.Store.YES)); |
| w.updateDocument(new Term("pk", value), doc); |
| } |
| w.rollback(); |
| |
| IndexReader r = DirectoryReader.open(dir); |
| assertEquals("index should contain same number of docs post rollback", 5, r.numDocs()); |
| r.close(); |
| dir.close(); |
| } |
| } |