code: public boolean isWithin(Date date) {
  		if(first == null) {
  			return false;
  		} else if(date.equals(first)) {
  			return true;
  		} else if(date.equals(last)) {
  			return true;
  		} else if(date.after(first) && date.before(last)) {
  			return true;
  		} else {
  			return false;
  		}
  	}
docs: /* (non-Javadoc)
  @see org.deckfour.xes.summary.XTimeBoundaries#isWithin(java.util.Date)