/**
* Remove link and words from cache and database.
*
* @param link link to be removed from cache and database
* @param word1 word to be removed from database
* @param word2 word to be removed from database
*/
public void removeWords(Link link, Word word1, Word word2) {
links.remove(link);
Dao<Link> linkDao = DaoFactory.createDao(Link.class);
Dao<Word> wordDao = DaoFactory.createDao(Word.class);
dataBaseManager.delete(linkDao.setPersistable(link));
dataBaseManager.delete(wordDao.setPersistable(word1));
dataBaseManager.delete(wordDao.setPersistable(word2));
}
/** Load links from database and cache them. Sort by priority. */
private void loadLinks() {
links = new LinkedList<Link>();
Dao<Link> linkDao = DaoFactory.createDao(Link.class);
Iterator<Link> it = dataBaseManager.retrieveIterator(linkDao);
while (it.hasNext()) links.add(it.next());
Collections.sort(links, new PrioritySorter());
}
/**
* 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);
}
/**
* Save link into database. This link should be loaded from database before (should contain id).
*/
public void updateLink(Link link) {
Dao<Link> linkDao = DaoFactory.createDao(Link.class);
dataBaseManager.update(linkDao.setPersistable(link));
}
/**
* Create data source.
*
* @param language default language. Used in methods {@link
* #loadOriginalWord(dmax.plua.domain.Link)} and {@link
* #loadTranslationWord(dmax.plua.domain.Link)}
*/
public DataSource(DataBaseManager dataBaseManager, Language language) {
this.dataBaseManager = dataBaseManager;
this.language = language;
this.dao = DaoFactory.createDao(Word.class);
}