code: public void setPerson(Person person) {
  		log.debug("Adding person: " + person);
  		if (person.getId() == -1) {
  			person.setId(getNextId());
  		}
  
  		people.remove(person);
  		people.add(person);
  	}
docs: Insert a person into the set of people
  
  @param person
  The person to add or update