How to use

org.datacleaner.job.concurrent.MultiThreadedTaskRunner

constructor

@Bean(name = "taskRunner", destroyMethod = "shutdown")
public TaskRunner createTaskRunner() {
  if (_numThreads == null) {
    throw new IllegalStateException("Number of threads have not been configured.");
  }
  logger.info("Creating shared task runner with {} threads", _numThreads);
  return new MultiThreadedTaskRunner(_numThreads);
}

private TaskRunner createTemporaryDelegate() {
  return new MultiThreadedTaskRunner(Runtime.getRuntime().availableProcessors());
}

private void updateTaskRunnerIfSpecified(final Configuration configuration,
    final TemporaryMutableDataCleanerEnvironment environment,
    final DataCleanerConfiguration temporaryConfiguration) {
  final SinglethreadedTaskrunnerType singlethreadedTaskrunner = configuration.getSinglethreadedTaskrunner();
  final MultithreadedTaskrunnerType multithreadedTaskrunner = configuration.getMultithreadedTaskrunner();
  final CustomElementType customTaskrunner = configuration.getCustomTaskrunner();
  if (singlethreadedTaskrunner != null) {
    final TaskRunner taskRunner = new SingleThreadedTaskRunner();
    environment.setTaskRunner(taskRunner);
  } else if (multithreadedTaskrunner != null) {
    final Short maxThreads = multithreadedTaskrunner.getMaxThreads();
    final TaskRunner taskRunner;
    if (maxThreads != null) {
      taskRunner = new MultiThreadedTaskRunner(maxThreads.intValue());
    } else {
      taskRunner = new MultiThreadedTaskRunner();
    }
    environment.setTaskRunner(taskRunner);
  } else if (customTaskrunner != null) {
    final TaskRunner taskRunner =
        createCustomElement(customTaskrunner, TaskRunner.class, temporaryConfiguration, true);
    environment.setTaskRunner(taskRunner);
  }
}