code: public void process(final Task<Revision> task)
  		throws DiffException, TimeoutException, UnsupportedEncodingException
  	{
  
  		this.startTime = System.currentTimeMillis();
  		super.process(task);
  	}
docs: /*
  (non-Javadoc)
  
  @see
  de.tud.ukp.kulessa.delta.consumers.diff.calculation.DiffCalculatorInterface
  #process(de.tud.ukp.kulessa.delta.data.Task)