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ThreadSafetyTest.javaAPI DocApache Lucene 1.94928Mon Feb 20 09:19:40 GMT 2006org.apache.lucene

ThreadSafetyTest

public class ThreadSafetyTest extends Object
Copyright 2004 The Apache Software Foundation Licensed 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.

Fields Summary
private static final Analyzer
ANALYZER
private static final Random
RANDOM
private static Searcher
SEARCHER
private static int
ITERATIONS
Constructors Summary
Methods Summary
public static voidmain(java.lang.String[] args)


    boolean readOnly = false;
    boolean add = false;

    for (int i = 0; i < args.length; i++) {
      if ("-ro".equals(args[i]))
        readOnly = true;
      if ("-add".equals(args[i]))
        add = true;
    }

    File indexDir = new File("index");
    if (! indexDir.exists()) indexDir.mkdirs();
    
    IndexReader.unlock(FSDirectory.getDirectory(indexDir, false));

    if (!readOnly) {
      IndexWriter writer = new IndexWriter(indexDir, ANALYZER, !add);
      
      Thread indexerThread = new IndexerThread(writer);
      indexerThread.start();
      
      Thread.sleep(1000);
    }
      
    SearcherThread searcherThread1 = new SearcherThread(false);
    searcherThread1.start();

    SEARCHER = new IndexSearcher(indexDir.toString());

    SearcherThread searcherThread2 = new SearcherThread(true);
    searcherThread2.start();

    SearcherThread searcherThread3 = new SearcherThread(true);
    searcherThread3.start();
  
private static intrandom(int i)


       		  // for JDK 1.1 compatibility
    int r = RANDOM.nextInt();
    if (r < 0) r = -r;
    return r % i;