public DaoResult<Bookmark> pageLinkHistory(Link link, int offset, int count)
throws NoSuchLinkException {
logger.debug("getHistory: link=" + link);
GnizrDaoUtil.checkNull(link);
Link aLink = new Link(link);
GnizrDaoUtil.fillId(linkDao, aLink);
return bookmarkDao.pageBookmarks(aLink, offset, count);
}
/**
* Returns a list of class tags. A class tag is <code>UserTag</code> that is the "object" in a tag
* assertion, in which the "predict" is "type".
*
* @param user
* @return a list of <code>UserTag</code> objects that are class tags.
* @throws NoSuchUserException the input user doesn't exist in the system
*/
public List<UserTag> findUserTagClass(User user) throws NoSuchUserException {
logger.debug("findUserTagClass: user=" + user);
if (GnizrDaoUtil.hasMissingId(user)) {
GnizrDaoUtil.fillId(userDao, user);
}
List<TagAssertion> asrts = null;
List<UserTag> classTags = new ArrayList<UserTag>();
asrts = tagAssertionDao.findTagAssertion(user, null, rdfTypePrpt, null);
if (asrts != null && !asrts.isEmpty()) {
addUserTagObjectToList(asrts, classTags, -1);
}
return classTags;
}
public List<UserTag> findSKOSNarrower(User user, UserTag userTag)
throws NoSuchUserException, NoSuchTagException, NoSuchUserTagException, MissingIdException {
logger.debug("findSKOSNarrower: user="******",userTag=" + userTag);
if (GnizrDaoUtil.hasMissingId(user)) {
GnizrDaoUtil.fillId(userDao, user);
}
if (GnizrDaoUtil.hasMissingId(userTag)) {
GnizrDaoUtil.fillId(tagDao, userDao, userTag);
}
List<UserTag> result = new ArrayList<UserTag>();
seekNarrower(user, userTag, result, userTag.getId());
return result;
}
public List<UserTag> findUserTagInstance(User user, UserTag classTag)
throws NoSuchUserException, NoSuchTagException, NoSuchUserTagException, MissingIdException {
logger.debug("findUserTagInstance: user="******",classTag=" + classTag);
if (GnizrDaoUtil.hasMissingId(user)) {
GnizrDaoUtil.fillId(userDao, user);
}
if (GnizrDaoUtil.hasMissingId(classTag)) {
GnizrDaoUtil.fillId(tagDao, userDao, classTag);
}
List<UserTag> instanceTag = new ArrayList<UserTag>();
List<TagAssertion> asrts = tagAssertionDao.findTagAssertion(user, null, rdfTypePrpt, classTag);
if (asrts != null && !asrts.isEmpty()) {
addUserTagSubjectToList(asrts, instanceTag, classTag.getId());
}
return instanceTag;
}
public TagPager(GnizrDao gnizrDao) {
this.userDao = gnizrDao.getUserDao();
this.tagDao = gnizrDao.getTagDao();
this.tagPropertyDao = gnizrDao.getTagPropertyDao();
this.tagAssertionDao = gnizrDao.getTagAssertionDao();
this.gnizrUser = GnizrDaoUtil.getUser(userDao, UserSchema.GNIZR_USER);
initTagProperty();
}
public Link getInfo(String urlHash) {
logger.debug("getInfo: urlHash=" + urlHash);
Link aLink = GnizrDaoUtil.getLinkByUrlHash(linkDao, urlHash);
if (aLink != null) {
return aLink;
}
return null;
}
public Bookmark getFirstMatchedBookmark(String url) {
logger.debug("getFirstMatchedBookmark: url" + url);
Link aLink = GnizrDaoUtil.getLink(linkDao, url);
if (aLink != null) {
DaoResult<Bookmark> result = bookmarkDao.pageBookmarks(aLink, 0, 1);
if (result.getSize() > 0) {
return result.getResult().get(0);
}
}
return null;
}
public List<UserTag> findSKOSRelated(User user, UserTag userTag)
throws NoSuchUserException, NoSuchTagException, NoSuchUserTagException, MissingIdException {
logger.debug("findSKOSRelated: user="******",userTag=" + userTag);
if (GnizrDaoUtil.hasMissingId(user)) {
GnizrDaoUtil.fillId(userDao, user);
}
if (GnizrDaoUtil.hasMissingId(userTag)) {
GnizrDaoUtil.fillId(tagDao, userDao, userTag);
}
List<TagAssertion> asrts = null;
List<UserTag> relatedTags = new ArrayList<UserTag>();
asrts = tagAssertionDao.findTagAssertion(user, userTag, skosRelatedPrpt, null);
if (asrts != null && !asrts.isEmpty()) {
addUserTagObjectToList(asrts, relatedTags, userTag.getId());
}
asrts = tagAssertionDao.findTagAssertion(user, null, skosRelatedPrpt, userTag);
if (asrts != null && !asrts.isEmpty()) {
addUserTagSubjectToList(asrts, relatedTags, userTag.getId());
}
return relatedTags;
}
/**
* @deprecated Since 2.4
* @param link
* @return
*/
public List<Bookmark> getHistory(Link link) {
logger.debug("getHistory: link=" + link);
List<Bookmark> result = new ArrayList<Bookmark>();
GnizrDaoUtil.checkNull(link);
Link aLink = new Link(link);
try {
GnizrDaoUtil.fillId(linkDao, aLink);
int totalBmCount = bookmarkDao.getBookmarkCount(aLink);
if (totalBmCount > 0) {
List<Bookmark> bmarks = bookmarkDao.pageBookmarks(aLink, 0, totalBmCount).getResult();
for (Iterator<Bookmark> it = bmarks.iterator(); it.hasNext(); ) {
Bookmark bm = it.next();
GnizrDaoUtil.fillObject(bookmarkDao, userDao, linkDao, bm);
result.add(bm);
}
}
return result;
} catch (Exception e) {
logger.debug(e);
}
return result;
}
public List<Tag> getPopularNarrowerTagsByGnizrUser(String tag, int minFreq)
throws MissingIdException, NoSuchUserException, NoSuchTagException, NoSuchUserTagException {
int mf = 1;
if (minFreq > mf) {
mf = minFreq;
}
List<Tag> tags = new ArrayList<Tag>();
Tag tagObj = GnizrDaoUtil.getTag(tagDao, tag);
if (tagObj != null && gnizrUser != null) {
UserTag userTagObj = GnizrDaoUtil.getUserTag(tagDao, gnizrUser, tagObj);
if (userTagObj != null) {
List<UserTag> relTags = findSKOSNarrower(gnizrUser, userTagObj);
for (UserTag ut : relTags) {
if (ut.getTag().getCount() >= mf) {
tags.add(new Tag(ut.getTag()));
}
}
}
} else if (gnizrUser == null) {
throw new NoSuchUserException("missing superuser: " + UserSchema.GNIZR_USER);
}
return tags;
}
public Map<String, List<UserTag>> getRDFTypeTagGroups(User user) throws NoSuchUserException {
GnizrDaoUtil.fillId(userDao, user);
Map<String, List<UserTag>> map = new HashMap<String, List<UserTag>>();
List<TagAssertion> result = tagAssertionDao.findTagAssertion(user, null, rdfTypePrpt, null);
for (TagAssertion t : result) {
String tagGroupName = t.getObject().getTag().getLabel();
List<UserTag> memberList = map.get(tagGroupName);
if (memberList == null) {
memberList = new ArrayList<UserTag>();
map.put(tagGroupName, memberList);
}
memberList.add(t.getSubject());
}
return map;
}
public List<Bookmark> getTop10AllTime() {
logger.debug("getTop10AllTime popular bookmarks.");
List<Bookmark> bmarks = null;
lockOfAllTime.readLock().lock();
if (isCacheValid(ALL_TIME) == false) {
lockOfAllTime.readLock().unlock();
lockOfAllTime.writeLock().lock();
if (isCacheValid(ALL_TIME) == false) {
Date start = new GregorianCalendar(1900, 1, 1).getTime();
Date end = GnizrDaoUtil.getNow();
bmarks = this.bookmarkDao.getPopularCommunityBookmarks(start, end, 10);
Cache cache = new Cache(bmarks, end);
cacheMap.put(ALL_TIME, cache);
}
lockOfAllTime.readLock().lock();
lockOfAllTime.writeLock().unlock();
}
bmarks = cacheMap.get(ALL_TIME).getBookmarks();
lockOfAllTime.readLock().unlock();
return bmarks;
}