code: private Date[] convertLongArrayToDateArray(final Long[] source) {
  
  		final ArrayList<Date> result = new ArrayList<>();
  
  		for (final Long o : source) {
  			
  			result.add(new Date(o));
  		}
  
  		return (Date[])result.toArray(new Date[result.size()]);
  	}
docs: ----- private methods -----