code cleanup

src/main/java/com/commafeed/backend/dao/FeedCategoryDAO.java

@@ -59,7 +59,7 @@ public class FeedCategoryDAO extends GenericDAO<FeedCategory> {
 		return list;
 	}
 
-	public boolean isChild(FeedCategory child, FeedCategory parent) {
+	private boolean isChild(FeedCategory child, FeedCategory parent) {
 		if (parent == null) {
 			return true;
 		}

src/main/java/com/commafeed/backend/dao/FeedEntryDAO.java

@@ -34,13 +34,6 @@ public class FeedEntryDAO extends GenericDAO<FeedEntry> {
 				.list(entry);
 	}
 
-	public int delete(Feed feed, int max) {
-		List<FeedEntry> list = newQuery().from(entry).where(entry.feed.eq(feed)).limit(max).list(entry);
-		int deleted = list.size();
-		delete(list);
-		return deleted;
-	}
-
 	public int delete(Date olderThan, int max) {
 		List<FeedEntry> list = newQuery().from(entry).where(entry.inserted.lt(olderThan)).limit(max).list(entry);
 		int deleted = list.size();

src/main/java/com/commafeed/backend/dao/GenericDAO.java

@@ -11,7 +11,7 @@ import com.mysema.query.jpa.hibernate.HibernateQuery;
 
 public abstract class GenericDAO<T extends AbstractModel> extends AbstractDAO<T> {
 
-	public GenericDAO(SessionFactory sessionFactory) {
+	protected GenericDAO(SessionFactory sessionFactory) {
 		super(sessionFactory);
 	}
 
@@ -56,9 +56,4 @@ public abstract class GenericDAO<T extends AbstractModel> extends AbstractDAO<T>
 		return objects.size();
 	}
 
-	protected void setTimeout(javax.persistence.Query query, int queryTimeout) {
-		if (queryTimeout > 0) {
-			query.setHint("javax.persistence.query.timeout", queryTimeout);
-		}
-	}
 }