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lazy load feeds from entries

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Athou
2013-06-08 17:00:36 +02:00
parent d639f944bf
commit 23dd016f42
1 changed files with 16 additions and 6 deletions
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22
src/main/java/com/commafeed/backend/dao/FeedEntryDAO.java
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@@ -10,6 +10,7 @@ import javax.persistence.criteria.Root;
import javax.persistence.criteria.SetJoin; import javax.persistence.criteria.SetJoin;
import org.apache.commons.codec.digest.DigestUtils; import org.apache.commons.codec.digest.DigestUtils;
import org.hibernate.Hibernate;
import com.commafeed.backend.model.Feed; import com.commafeed.backend.model.Feed;
import com.commafeed.backend.model.FeedEntry; import com.commafeed.backend.model.FeedEntry;
@@ -25,12 +26,16 @@ public class FeedEntryDAO extends GenericDAO<FeedEntry> {
CriteriaQuery<FeedEntry> query = builder.createQuery(getType()); CriteriaQuery<FeedEntry> query = builder.createQuery(getType());
Root<FeedEntry> root = query.from(getType()); Root<FeedEntry> root = query.from(getType());
query.distinct(true); query.distinct(true);
query.where(builder.equal(root.get(FeedEntry_.guidHash), hash)); query.where(builder.equal(root.get(FeedEntry_.guidHash), hash));
root.fetch(FeedEntry_.feeds, JoinType.LEFT);
TypedQuery<FeedEntry> q = em.createQuery(query); TypedQuery<FeedEntry> q = em.createQuery(query);
return q.getResultList(); List<FeedEntry> list = q.getResultList();
for (FeedEntry entry : list) {
Hibernate.initialize(entry.getFeeds());
}
return list;
} }
public List<FeedEntry> findByGuids(List<String> guids) { public List<FeedEntry> findByGuids(List<String> guids) {
@@ -41,19 +46,24 @@ public class FeedEntryDAO extends GenericDAO<FeedEntry> {
CriteriaQuery<FeedEntry> query = builder.createQuery(getType()); CriteriaQuery<FeedEntry> query = builder.createQuery(getType());
Root<FeedEntry> root = query.from(getType()); Root<FeedEntry> root = query.from(getType());
query.distinct(true); query.distinct(true);
query.where(root.get(FeedEntry_.guidHash).in(hashes)); query.where(root.get(FeedEntry_.guidHash).in(hashes));
root.fetch(FeedEntry_.feeds, JoinType.LEFT); root.fetch(FeedEntry_.feeds, JoinType.LEFT);
TypedQuery<FeedEntry> q = em.createQuery(query); TypedQuery<FeedEntry> q = em.createQuery(query);
return q.getResultList(); List<FeedEntry> list = q.getResultList();
for (FeedEntry entry : list) {
Hibernate.initialize(entry.getFeeds());
}
return list;
} }
public List<FeedEntry> findByFeed(Feed feed, int offset, int limit) { public List<FeedEntry> findByFeed(Feed feed, int offset, int limit) {
CriteriaQuery<FeedEntry> query = builder.createQuery(getType()); CriteriaQuery<FeedEntry> query = builder.createQuery(getType());
Root<FeedEntry> root = query.from(getType()); Root<FeedEntry> root = query.from(getType());
SetJoin<FeedEntry, Feed> feedsJoin = root.join(FeedEntry_.feeds); SetJoin<FeedEntry, Feed> feedsJoin = root.join(FeedEntry_.feeds);
query.distinct(true); query.distinct(true);
query.where(builder.equal(feedsJoin.get(Feed_.id), feed.getId())); query.where(builder.equal(feedsJoin.get(Feed_.id), feed.getId()));
query.orderBy(builder.desc(root.get(FeedEntry_.updated))); query.orderBy(builder.desc(root.get(FeedEntry_.updated)));