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faster queries for categories

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Jeremie Panzer
2013-03-26 09:54:59 +01:00
parent def27c5f9f
commit 9da424a9f0
6 changed files with 106 additions and 77 deletions
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27
src/main/java/com/commafeed/backend/dao/FeedEntryService.java
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@@ -11,6 +11,7 @@ import javax.persistence.TypedQuery;
import org.apache.commons.lang.StringUtils;
import com.commafeed.backend.model.Feed;
import com.commafeed.backend.model.FeedCategory;
import com.commafeed.backend.model.FeedEntry;
import com.commafeed.backend.model.User;
import com.commafeed.frontend.utils.ModelFactory.MF;
@@ -85,4 +86,30 @@ public class FeedEntryService extends GenericDAO<FeedEntry, Long> {
}
return query.getResultList();
}
public List<FeedEntry> getEntries(List<FeedCategory> categories, User user,
boolean read) {
return getEntries(categories, user, read, -1, -1);
}
public List<FeedEntry> getEntries(List<FeedCategory> categories, User user,
boolean read, int offset, int limit) {
String queryName = null;
if (read) {
queryName = "Entry.readByCategories";
} else {
queryName = "Entry.unreadByCategories";
}
TypedQuery<FeedEntry> query = em.createNamedQuery(queryName,
FeedEntry.class);
query.setParameter("categories", categories);
query.setParameter("user", user);
if (offset > -1) {
query.setFirstResult(offset);
}
if (limit > -1) {
query.setMaxResults(limit);
}
return query.getResultList();
}
}