How to use

DriverManagerConnectionProviderImpl$ValidationThreadFactory

in

org.hibernate.engine.jdbc.connections.internal

private void startIfNeeded() {
  if ( active ) {
    return;
  }
  statelock.writeLock().lock();
  try {
    if ( active ) {
      return;
    }
    executorService = Executors.newSingleThreadScheduledExecutor( new ValidationThreadFactory() );
    executorService.scheduleWithFixedDelay(
        pool::validate,
        validationInterval,
        validationInterval,
        TimeUnit.SECONDS
    );
    active = true;
  }
  finally {
    statelock.writeLock().unlock();
  }
}

private void startIfNeeded() {
  if ( active ) {
    return;
  }
  statelock.writeLock().lock();
  try {
    if ( active ) {
      return;
    }
    executorService = Executors.newSingleThreadScheduledExecutor( new ValidationThreadFactory() );
    executorService.scheduleWithFixedDelay(
        pool::validate,
        validationInterval,
        validationInterval,
        TimeUnit.SECONDS
    );
    active = true;
  }
  finally {
    statelock.writeLock().unlock();
  }
}