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first clean entries then clean feeds

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Athou
2014-03-21 11:28:51 +01:00
parent 043b1df585
commit 2db9224ffc
3 changed files with 35 additions and 15 deletions
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18
src/main/java/com/commafeed/backend/dao/FeedEntryDAO.java
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@@ -6,14 +6,19 @@ import java.util.List;
import javax.ejb.Stateless;
import javax.persistence.TypedQuery;
import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.criteria.Join;
import javax.persistence.criteria.JoinType;
import javax.persistence.criteria.Predicate;
import javax.persistence.criteria.Root;
import javax.persistence.criteria.SetJoin;
import org.apache.commons.codec.digest.DigestUtils;
import com.commafeed.backend.model.Feed;
import com.commafeed.backend.model.FeedEntry;
import com.commafeed.backend.model.FeedEntry_;
import com.commafeed.backend.model.FeedSubscription;
import com.commafeed.backend.model.FeedSubscription_;
import com.commafeed.backend.model.Feed_;
import com.google.common.collect.Iterables;
@@ -37,6 +42,19 @@ public class FeedEntryDAO extends GenericDAO<FeedEntry> {
return Iterables.getFirst(list, null);
}
public List<FeedEntry> findWithoutSubscriptions(int max) {
CriteriaQuery<FeedEntry> query = builder.createQuery(getType());
Root<FeedEntry> root = query.from(getType());
Join<FeedEntry, Feed> feedJoin = root.join(FeedEntry_.feed);
SetJoin<Feed, FeedSubscription> subJoin = feedJoin.join(Feed_.subscriptions, JoinType.LEFT);
query.where(builder.isNull(subJoin.get(FeedSubscription_.id)));
TypedQuery<FeedEntry> q = em.createQuery(query);
q.setMaxResults(max);
return q.getResultList();
}
public int delete(Feed feed, int max) {
CriteriaQuery<FeedEntry> query = builder.createQuery(getType());