How to use

setThreadFactory

method

in

org.apache.commons.io.monitor.FileAlterationMonitor

/**
 * Test using a thread factory.
 * @throws Exception
 */
@Test
public void testThreadFactory() throws Exception {
  final long interval = 100;
  listener.clear();
  final FileAlterationMonitor monitor = new FileAlterationMonitor(interval, observer);
  monitor.setThreadFactory(Executors.defaultThreadFactory());
  assertEquals("Interval", interval, monitor.getInterval());
  monitor.start();
  // Create a File
  checkCollectionsEmpty("A");
  final File file2 = touch(new File(testDir, "file2.java"));
  checkFile("Create", file2, listener.getCreatedFiles());
  listener.clear();
  // Delete a file
  checkCollectionsEmpty("B");
  file2.delete();
  checkFile("Delete", file2, listener.getDeletedFiles());
  listener.clear();
  // Stop monitoring
  monitor.stop();
}

TorrentFileWatcher(final FileAlterationListener listener, final Path monitoredFolder, final Integer interval) {
  Preconditions.checkNotNull(listener, "listener cannot be null");
  Preconditions.checkNotNull(monitoredFolder, "monitoredFolder cannot be null");
  Preconditions.checkArgument(Files.exists(monitoredFolder), "Folder '" + monitoredFolder.toAbsolutePath() + "' does not exists.");
  Preconditions.checkNotNull(interval, "interval cannot be null");
  Preconditions.checkArgument(interval > 0, "interval cannot be less than 1");
  this.listener = listener;
  this.monitoredFolder = monitoredFolder.toFile();
  this.monitor = new FileAlterationMonitor(interval);
  this.monitor.setThreadFactory(new ThreadFactoryBuilder().setNameFormat("torrent-file-watcher-%d").build());
  this.observer = new FileAlterationObserver(this.monitoredFolder, TORRENT_FILE_FILTER);
  this.observer.addListener(this.listener);
  monitor.addObserver(this.observer);
}

private FileAlterationMonitor createFileAlterationMonitor(File directory, long polling) {
  FileAlterationObserver observer = new FileAlterationObserver(directory, TrueFileFilter.INSTANCE);
  observer.addListener(new FileMonitor(directory));
  LOGGER.debug("Creating file alteration monitor for " + directory.getAbsolutePath() + " with a polling period " +
      "of " + polling);
  final FileAlterationMonitor monitor = new FileAlterationMonitor(polling, observer);
  monitor.setThreadFactory(new MonitorThreadFactory(directory));
  monitors.put(directory, monitor);
  return monitor;
}

watcher.setThreadFactory(new DefensiveThreadFactory("wisdom-pipeline-watcher", mojo));
FileAlterationObserver srcObserver = new FileAlterationObserver(new File(baseDir, "src"),
    TrueFileFilter.INSTANCE);