Example usage for javax.persistence.criteria CriteriaBuilder desc

Introduction

In this page you can find the example usage for javax.persistence.criteria CriteriaBuilder desc.

Prototype

Order desc(Expression<?> x);

Source Link

Document

Create an ordering by the descending value of the expression.

Usage

From source file:eu.uqasar.service.user.UserService.java

public List<User> getAllUsersByDescendingSkillCount(int first, int count) {

    logger.infof("loading all Users ordered by ascending name ...");
    CriteriaBuilder cb = em.getCriteriaBuilder();
    CriteriaQuery<User> criteria = cb.createQuery(User.class);
    Root<User> root = criteria.from(User.class);

    criteria.orderBy(cb.desc(root.get(User_.skillCount)));

    return em.createQuery(criteria).setFirstResult(first).setMaxResults(count).getResultList();
}

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From source file:utils.jpa.EntityResource.java

private List<T> getAllPriv(@BeanParam TableSearchQuery tb, List<String> fieldsSearchBy) {
    CriteriaBuilder cb = em.getCriteriaBuilder();
    CriteriaQuery<T> cq = cb.createQuery(entityClass);
    Root<T> root = cq.from(entityClass);

    cq.select(root);//from  www. ja va 2s . co  m

    //setting order
    if (tb.getOrderType().equals(OrderType.DESC)) {
        cq.orderBy(cb.desc(root.get(tb.getOrder())));
    } else {
        cq.orderBy(cb.asc(root.get(tb.getOrder())));
    }

    Query query = tb.createQuery(em, cb, cq, root);
    if (query == null) {
        query = createCommonQuery(cb, cq, root, tb, fieldsSearchBy);
    }

    if (tb.getOffset() > 0) {
        query.setFirstResult(tb.getOffset());
    }
    if (tb.getLimit() > 0) {
        query.setMaxResults(tb.getLimit());
    }

    return query.getResultList();
}

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From source file:eu.uqasar.service.ProductService.java

public List<Product> getAllByDescendingNameFiltered(ProductFilterStructure filter, int first, int count) {
    CriteriaBuilder cb = em.getCriteriaBuilder();
    CriteriaQuery<Product> criteria = cb.createQuery(Product.class);
    Root<Product> root = criteria.from(Product.class);
    List<Predicate> predicates = getFilterPredicates(filter, cb, root);
    if (!predicates.isEmpty()) {
        criteria.where(cb.and(predicates.toArray(new Predicate[predicates.size()])));
    }// w w w .j ava  2s  . c  o  m

    criteria.orderBy(cb.desc(root.get(Product_.releaseDate)));
    return em.createQuery(criteria).setFirstResult(first).setMaxResults(count).getResultList();

}

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From source file:net.dontdrinkandroot.persistence.dao.TypedJpaDao.java

@Override
@Transactional(propagation = Propagation.MANDATORY, readOnly = true)
public List<E> findAll(final SingularAttribute<? super E, ?> attribute, final boolean asc,
        final int firstResult, final int maxResults) {
    final CriteriaBuilder builder = this.getCriteriaBuilder();
    final CriteriaQuery<E> criteriaQuery = builder.createQuery(this.entityClass);
    final Root<E> from = criteriaQuery.from(this.entityClass);

    if (attribute != null) {
        if (asc) {
            criteriaQuery.orderBy(builder.asc(from.get(attribute)));
        } else {/*from  w w w  . j  ava  2  s.  c om*/
            criteriaQuery.orderBy(builder.desc(from.get(attribute)));
        }
    }

    return this.find(criteriaQuery, firstResult, maxResults);
}

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From source file:com.sixsq.slipstream.persistence.Run.java

public static List<RunView> viewList(User user, String moduleResourceUri, Integer offset, Integer limit,
        String cloudServiceName) throws ConfigurationException, ValidationException {
    List<RunView> views = null;
    EntityManager em = PersistenceUtil.createEntityManager();
    try {//ww w .  j  a va 2 s.  c  om
        CriteriaBuilder builder = em.getCriteriaBuilder();
        CriteriaQuery<Run> critQuery = builder.createQuery(Run.class);
        Root<Run> rootQuery = critQuery.from(Run.class);
        critQuery.select(rootQuery);
        Predicate where = viewListCommonQueryOptions(builder, rootQuery, user, moduleResourceUri,
                cloudServiceName);
        if (where != null) {
            critQuery.where(where);
        }
        critQuery.orderBy(builder.desc(rootQuery.get("startTime")));
        TypedQuery<Run> query = em.createQuery(critQuery);
        if (offset != null) {
            query.setFirstResult(offset);
        }
        query.setMaxResults((limit != null) ? limit : DEFAULT_LIMIT);
        List<Run> runs = query.getResultList();
        views = convertRunsToRunViews(runs);
    } finally {
        em.close();
    }
    return views;
}

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From source file:bq.jpa.demo.query.criteria.service.CriteriaService.java

/**
 * order by://  w  w w . j  a v  a  2  s .co  m
 * SELECT e.name, e.salary FROM jpa_query_employee e ORDER BY e.name DESC, e.salary DESC
 */
public void doOrderby() {
    CriteriaBuilder cb = em.getCriteriaBuilder();
    CriteriaQuery<Object[]> c = cb.createQuery(Object[].class);
    Root<Employee> e = c.from(Employee.class);
    c.multiselect(e.get("name"), e.get("salary")).orderBy(cb.desc(e.get("name")), cb.desc(e.get("salary")));

    showResult(c);
}

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From source file:com.june.app.board.repository.jpa.BoardRepositoryImpl.java

@Override
public Collection<Board> boardListWithPaging(Board vo) {
    int bbsId = vo.getBbsId();
    int pageSize = vo.getPageSize();
    int pageNumber = (int) vo.getPageIndex();

    CriteriaBuilder criteriaBuilder = em.getCriteriaBuilder();
    CriteriaQuery<Board> criteriaQuery = criteriaBuilder.createQuery(Board.class);

    Root<Board> from = criteriaQuery.from(Board.class);
    CriteriaQuery<Board> select = criteriaQuery.select(from);
    if (bbsId > 0) {
        criteriaQuery.where(criteriaBuilder.equal(from.get("bbsId"), bbsId));
    }// w  w w .  j  a v  a  2  s. c o  m
    /**list desc for date*/
    criteriaQuery.orderBy(criteriaBuilder.desc(from.get("frstRegistPnttm")));
    TypedQuery<Board> typedQuery = em.createQuery(select);

    typedQuery.setFirstResult((pageNumber - 1) * pageSize);
    typedQuery.setMaxResults(pageSize);

    Collection<Board> fooList = typedQuery.getResultList();

    return fooList;

}

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From source file:eu.uqasar.service.ProcessService.java

public List<Process> getAllByDescendingEndDateNameFiltered(ProcessesFilterStructure filter, int first,
        int count) {
    CriteriaBuilder cb = em.getCriteriaBuilder();
    CriteriaQuery<Process> criteria = cb.createQuery(Process.class);
    Root<Process> root = criteria.from(Process.class);
    List<Predicate> predicates = getFilterPredicates(filter, cb, root);
    if (!predicates.isEmpty()) {
        criteria.where(cb.and(predicates.toArray(new Predicate[predicates.size()])));
    }//from ww  w.j  a  v a 2  s. c o  m

    criteria.orderBy(cb.desc(root.get(Process_.endDate)));
    return em.createQuery(criteria).setFirstResult(first).setMaxResults(count).getResultList();

}

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From source file:eu.uqasar.service.ProcessService.java

public List<Process> getAllByDescendingStartDateNameFiltered(ProcessesFilterStructure filter, int first,
        int count) {
    CriteriaBuilder cb = em.getCriteriaBuilder();
    CriteriaQuery<Process> criteria = cb.createQuery(Process.class);
    Root<Process> root = criteria.from(Process.class);
    List<Predicate> predicates = getFilterPredicates(filter, cb, root);
    if (!predicates.isEmpty()) {
        criteria.where(cb.and(predicates.toArray(new Predicate[predicates.size()])));
    }//from   w  w  w. j a v a 2  s .com

    criteria.orderBy(cb.desc(root.get(Process_.startDate)));
    return em.createQuery(criteria).setFirstResult(first).setMaxResults(count).getResultList();

}

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From source file:com.aimdek.ccm.dao.impl.CreditCardRepositoryImpl.java

/**
 * Adds the sorting./*from  w w w .j  a  v  a  2 s .  c  om*/
 *
 * @param sortField the sort field
 * @param sortOrder the sort order
 * @param query the query
 * @param builder the builder
 * @param root the root
 */

private void addSorting(String sortField, String sortOrder, CriteriaQuery query, CriteriaBuilder builder,
        Root<CreditCard> root) {
    if (CommonUtil.isNotNull(sortField) && (sortField.equalsIgnoreCase(FIELDCONSTANT_CARDNUMBER)
            || sortField.equalsIgnoreCase(FIELDCONSTANT_CREDITLIMIT)
            || sortField.equalsIgnoreCase(FIELDCONSTANT_BALANCE))) {
        if (sortOrder.startsWith(SORT_ORDER_ASCENDING)) {
            query.orderBy(builder.asc(root.get(sortField)));
        } else {
            query.orderBy(builder.desc(root.get(sortField)));
        }
    }
}

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