@Override
public int compare(Link lhs, Link rhs) {
/*
if priorities different: return <0 if right link priority less, >0 if lest priority less.
if priorities same: return <0 if left updated time less, >0 if right updated time less.
*/
int priorityDiff = rhs.getPriority() - lhs.getPriority();
return priorityDiff != 0 ? priorityDiff : (int) (lhs.getUpdated() - rhs.getUpdated());
}
/**
* Save new words into database. Words should contain different language. Link will be created and
* saved into database and cache.
*/
public void addWords(Word word1, Word word2) {
Link link = new Link();
Dao<Link> linkDao = DaoFactory.createDao(Link.class);
link.setWord(dataBaseManager.insert(dao.setPersistable(word1)));
link.setWord(dataBaseManager.insert(dao.setPersistable(word2)));
link = dataBaseManager.insert(linkDao.setPersistable(link));
links.add(link);
}
private Word loadWord(Link link, Language language) {
Word target = new Word();
target.setId(link.getWordId(language));
target.setLanguage(language);
return dataBaseManager.retrieve(dao.setPersistable(target));
}