code: public List<String> getAll() {
  		List<String> values = new ArrayList<String>();
  		for (DataColumn column : columns) {
  			values.add(content.get(column));
  		}
  		return values;
  	}
docs: Returns this row's entire content. Columns that are not set will be
  returned as <tt>null</tt>.
  
  @return this row's entire content