1 package org.apache.lucene.benchmark.byTask.tasks;
4 * Licensed to the Apache Software Foundation (ASF) under one or more
5 * contributor license agreements. See the NOTICE file distributed with
6 * this work for additional information regarding copyright ownership.
7 * The ASF licenses this file to You under the Apache License, Version 2.0
8 * (the "License"); you may not use this file except in compliance with
9 * the License. You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
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20 import java.io.IOException;
21 import java.io.PrintStream;
23 import org.apache.lucene.benchmark.byTask.PerfRunData;
24 import org.apache.lucene.index.IndexWriter;
27 * Rollback the index writer.
29 public class RollbackIndexTask extends PerfTask {
31 public RollbackIndexTask(PerfRunData runData) {
35 boolean doWait = true;
38 public int doLogic() throws IOException {
39 IndexWriter iw = getRunData().getIndexWriter();
41 // If infoStream was set to output to a file, close it.
42 PrintStream infoStream = iw.getInfoStream();
43 if (infoStream != null && infoStream != System.out
44 && infoStream != System.err) {
48 getRunData().setIndexWriter(null);