private void loadCategories(CategoryGraph graph) throws DaoException {
LOG.info("loading categories...");
graph.catIndexes = new TIntIntHashMap();
List<String> catList = new ArrayList<String>();
Iterable<LocalPage> catIter =
pageDao.get(new DaoFilter().setNameSpaces(NameSpace.CATEGORY).setLanguages(graph.language));
TIntList catIds = new TIntArrayList();
for (LocalPage cat : catIter) {
if (cat != null) {
if (graph.catIndexes.containsKey(cat.getLocalId())) {
continue;
}
assert (catList.size() == graph.catIndexes.size());
assert (catIds.size() == graph.catIndexes.size());
int ci = graph.catIndexes.size();
graph.catIndexes.put(cat.getLocalId(), ci);
catList.add(cat.getTitle().getCanonicalTitle());
catIds.add(cat.getLocalId());
}
}
graph.cats = catList.toArray(new String[0]);
graph.catIds = catIds.toArray();
LOG.info("finished loading " + graph.cats.length + " categories");
}
/**
* @param localArticle the article to find
* @return a map contains the LocalPageIDs and the LocalCategories of all the categories this
* article belongs to
* @throws DaoException
*/
@Override
public Map<Integer, LocalPage> getCategories(LocalPage localArticle) throws DaoException {
Collection<Integer> categoryIds = getCategoryIds(localArticle);
LocalPageLiveDao dao = new LocalPageLiveDao();
return dao.getByIds(localArticle.getLanguage(), categoryIds);
}
/**
* @param localCategory the category to find
* @return a map contains the LocalArticleIDs and the LocalArticle of all members in the given
* category
* @throws DaoException
*/
public Map<Integer, LocalPage> getCategoryMembers(LocalPage localCategory) throws DaoException {
Collection<Integer> articleIds = getCategoryMemberIds(localCategory);
LocalPageLiveDao dao = new LocalPageLiveDao();
return dao.getByIds(localCategory.getLanguage(), articleIds);
}
/**
* @param localPage the page
* @return a collection of categoryids of all the categories this article belongs to
* @throws DaoException
*/
@Override
public Collection<Integer> getCategoryIds(LocalPage localPage) throws DaoException {
return getCategoryIds(localPage.getLanguage(), localPage.getLocalId());
}
/**
* @param localCategory the category
* @return a collection of the ids of all members in the given category
* @throws DaoException
*/
public Collection<Integer> getCategoryMemberIds(LocalPage localCategory) throws DaoException {
return getCategoryMemberIds(localCategory.getLanguage(), localCategory.getLocalId());
}