criteria

How can I know the position of a record in a JPA query? I have a service that returns paged results implementing more or less a method with this signature: List<Record> getRecordsPage(long page, int pageSize); When this is invoked I just create a query and configure like this: TypedQuery<Record> query = entityManager.createQuery(criteriaQuery); query.setFirstResult(page * pageSize); query.setMaxResults(pageSize); This pages the result. And this is working as expected, and is quite simple. The Problem Another requirement I have is to implement a method that would retrieve the page that contains

I’m using JPA 2.1 and Hibernate 4.3.6.Final. I’m trying to use CriteriaBuilder to write a left outer join with conditions, so I have final CriteriaBuilder cb = m_entityManager.getCriteriaBuilder(); CriteriaQuery<Message> query = cb.createQuery(Message.class); Root<Message> messageRoot = query.from(Message.class); final Join<Message, Group> groupJoin = messageRoot.join(Message_.group); final Join<Message, MessageReadDate> msgReadDateJoin = messageRoot.join(Message_.messageReads, JoinType.LEFT); // form left outer join clause. msgReadDateJoin.on( cb.equal(messageRoot, msgReadDateJoin.get

I've got a Criteria Query for a social networking site. A Person object has a collection of Friends (also person objects). The query grabs the first N friends, but I also want to eager load an associated object MainProfileImage and then a subsequent associated object MediumThumbnail. I can do this in HQL easily: select friends from Person person inner join person.Friends friends inner join fetch friends.MainProfileImage image inner join fetch image.MediumThumbnail where person = :person1 order by friends.LatestLogin desc Here's My Criteria effort. For some reason this doesn't return anything!