public WeblogEntryData getWeblogEntryByAnchor(WebsiteData website, String anchor)
throws RollerException {
if (website == null) throw new RollerException("Website is null");
if (anchor == null) throw new RollerException("Anchor is null");
// mapping key is combo of weblog + anchor
String mappingKey = website.getHandle() + ":" + anchor;
// check cache first
// NOTE: if we ever allow changing anchors then this needs updating
if (this.entryAnchorToIdMap.containsKey(mappingKey)) {
WeblogEntryData entry = this.getWeblogEntry((String) this.entryAnchorToIdMap.get(mappingKey));
if (entry != null) {
log.debug("entryAnchorToIdMap CACHE HIT - " + mappingKey);
return entry;
} else {
// mapping hit with lookup miss? mapping must be old, remove it
this.entryAnchorToIdMap.remove(mappingKey);
}
}
// cache failed, do lookup
try {
Session session = ((HibernatePersistenceStrategy) this.strategy).getSession();
Criteria criteria = session.createCriteria(WeblogEntryData.class);
criteria.add(
Expression.conjunction()
.add(Expression.eq("website", website))
.add(Expression.eq("anchor", anchor)));
criteria.addOrder(Order.desc("pubTime"));
criteria.setMaxResults(1);
List list = criteria.list();
WeblogEntryData entry = null;
if (list.size() != 0) {
entry = (WeblogEntryData) criteria.uniqueResult();
}
// add mapping to cache
if (entry != null) {
log.debug("entryAnchorToIdMap CACHE MISS - " + mappingKey);
this.entryAnchorToIdMap.put(mappingKey, entry.getId());
}
return entry;
} catch (HibernateException e) {
throw new RollerException(e);
}
}
public List getNextPrevEntries(
WeblogEntryData current, String catName, String locale, int maxEntries, boolean next)
throws RollerException {
Junction conjunction = Expression.conjunction();
conjunction.add(Expression.eq("website", current.getWebsite()));
conjunction.add(Expression.eq("status", WeblogEntryData.PUBLISHED));
if (next) {
conjunction.add(Expression.gt("pubTime", current.getPubTime()));
} else {
conjunction.add(Expression.lt("pubTime", current.getPubTime()));
}
if (catName != null && !catName.trim().equals("/")) {
WeblogCategoryData category = getWeblogCategoryByPath(current.getWebsite(), null, catName);
if (category != null) {
conjunction.add(Expression.eq("category", category));
} else {
throw new RollerException("Cannot find category: " + catName);
}
}
if (locale != null) {
conjunction.add(Expression.ilike("locale", locale, MatchMode.START));
}
try {
Session session = ((HibernatePersistenceStrategy) this.strategy).getSession();
Criteria criteria = session.createCriteria(WeblogEntryData.class);
criteria.addOrder(next ? Order.asc("pubTime") : Order.desc("pubTime"));
criteria.add(conjunction);
criteria.setMaxResults(maxEntries);
List results = criteria.list();
return results;
} catch (HibernateException e) {
throw new RollerException(e);
}
}