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:gov.gtas.repository.CaseDispositionRepositoryImpl.java

@Override
public Pair<Long, List<Case>> findByCriteria(CaseRequestDto dto) {

    CriteriaBuilder cb = em.getCriteriaBuilder();
    CriteriaQuery<Case> q = cb.createQuery(Case.class);
    Root<Case> root = q.from(Case.class);
    List<Predicate> predicates = new ArrayList<>();

    TypedQuery<Case> typedQuery = em.createQuery(q);

    // sorting//from   www  .j a  va2  s .c  o m
    if (dto.getSort() != null) {
        List<Order> orders = new ArrayList<>();
        for (SortOptionsDto sort : dto.getSort()) {
            Expression<?> e = root.get(sort.getColumn());
            Order order;
            if ("desc".equalsIgnoreCase(sort.getDir())) {
                order = cb.desc(e);
            } else {
                order = cb.asc(e);
            }
            orders.add(order);
        }
        q.orderBy(orders);
    }

    if (dto.getFlightId() != null) {
        predicates.add(cb.equal(root.<Long>get("flightId"), dto.getFlightId()));
    }

    if (dto.getPaxId() != null) {
        predicates.add(cb.equal(root.<Long>get("paxId"), dto.getPaxId()));
    }

    if (dto.getPaxName() != null) {
        String likeString = String.format("%%%s%%", dto.getPaxName().toUpperCase());
        predicates.add(cb.like(root.<String>get("paxName"), likeString));
    }

    if (dto.getLastName() != null) { // map this to full pax name
        String likeString = String.format("%%%s%%", dto.getLastName().toUpperCase());
        predicates.add(cb.like(root.<String>get("paxName"), likeString));
    }

    if (dto.getStatus() != null) {
        String likeString = String.format("%%%s%%", dto.getStatus().toUpperCase());
        predicates.add(cb.like(root.<String>get("status"), likeString));
    }

    if (dto.getFlightNumber() != null) {
        predicates.add(cb.equal(root.<Long>get("flightNumber"), dto.getFlightNumber()));
    }

    if (dto.getRuleCatId() != null) {
        predicates.add(cb.equal(root.<Long>get("highPriorityRuleCatId"), dto.getRuleCatId()));
    }

    Predicate etaCondition;
    if (dto.getEtaStart() != null && dto.getEtaEnd() != null) {

        Path<Date> eta = root.<Date>get("flightETADate");
        Predicate startPredicate = cb.or(cb.isNull(eta), cb.greaterThanOrEqualTo(eta, dto.getEtaStart()));
        Predicate endPredicate = cb.or(cb.isNull(eta), cb.lessThanOrEqualTo(eta, dto.getEtaEnd()));
        etaCondition = cb.and(startPredicate, endPredicate);
        predicates.add(etaCondition);
    }

    q.select(root).where(predicates.toArray(new Predicate[] {}));
    typedQuery = em.createQuery(q);

    // total count
    CriteriaQuery<Long> countQuery = cb.createQuery(Long.class);
    countQuery.select(cb.count(countQuery.from(Case.class))).where(predicates.toArray(new Predicate[] {}));
    Long count = em.createQuery(countQuery).getSingleResult();

    // pagination
    int pageNumber = dto.getPageNumber();
    int pageSize = dto.getPageSize();
    int firstResultIndex = (pageNumber - 1) * pageSize;
    typedQuery.setFirstResult(firstResultIndex);
    typedQuery.setMaxResults(dto.getPageSize());

    logger.debug(typedQuery.unwrap(org.hibernate.Query.class).getQueryString());
    List<Case> results = typedQuery.getResultList();

    return new ImmutablePair<>(count, results);

}

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From source file:eu.uqasar.service.dataadapter.JiraDataService.java

/**
 * /* w  ww  . ja v  a  2  s  .c om*/
 * @param metric
 * @return
 * @throws uQasarException
 */
public List<JiraMetricMeasurement> getMeasurementsForMetric(String metric) throws uQasarException {
    logger.info("Get measurements for metric: " + metric);

    CriteriaBuilder cb = em.getCriteriaBuilder();
    CriteriaQuery<JiraMetricMeasurement> query = cb.createQuery(JiraMetricMeasurement.class);
    Root<JiraMetricMeasurement> root = query.from(JiraMetricMeasurement.class);
    Predicate condition = cb.equal(root.get(JiraMetricMeasurement_.jiraMetric), metric);
    query.where(condition);
    query.orderBy(cb.desc(root.get(JiraMetricMeasurement_.timeStamp)));
    return em.createQuery(query).getResultList();
}

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From source file:eu.uqasar.service.dataadapter.CubesDataService.java

/**
 * @param project/*from  ww  w . ja v a 2  s  .  com*/
 * @return List with all the measurements of a project
 */
public List<CubesMetricMeasurement> getMeasurementByProject(Project project) {
    logger.info("Obtaining measurements for the project: " + project);

    CriteriaBuilder cb = em.getCriteriaBuilder();
    CriteriaQuery<CubesMetricMeasurement> query = cb.createQuery(CubesMetricMeasurement.class);
    Root<CubesMetricMeasurement> root = query.from(CubesMetricMeasurement.class);
    Predicate condition = cb.equal(root.get(CubesMetricMeasurement_.project), project);
    query.where(condition);
    query.orderBy(cb.desc(root.get(CubesMetricMeasurement_.timeStamp)));
    return em.createQuery(query).getResultList();

}

---

From source file:eu.uqasar.service.dataadapter.CubesDataService.java

/**
 * /*from   ww w  . ja  v a  2s .  c  om*/
 * @param metric
 * @return
 * @throws uQasarException
 */
public List<CubesMetricMeasurement> getMeasurementsForMetric(String metric) throws uQasarException {
    logger.info("Get measurements for metric: " + metric);

    CriteriaBuilder cb = em.getCriteriaBuilder();
    CriteriaQuery<CubesMetricMeasurement> query = cb.createQuery(CubesMetricMeasurement.class);
    Root<CubesMetricMeasurement> root = query.from(CubesMetricMeasurement.class);
    Predicate condition = cb.equal(root.get(CubesMetricMeasurement_.cubesMetric), metric);
    query.where(condition);
    query.orderBy(cb.desc(root.get(CubesMetricMeasurement_.timeStamp)));
    return em.createQuery(query).getResultList();
}

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From source file:com.qpark.eip.core.model.analysis.AnalysisDao.java

/**
 * Get the last model version (lexical compare).
 *
 * @return the last model version./*from   w  ww  .  j  ava2 s  .c om*/
 * @since 3.5.1
 */
@Transactional(value = EipModelAnalysisPersistenceConfig.TRANSACTION_MANAGER_NAME, propagation = Propagation.REQUIRED)
public String getLastModelVersion() {
    String value = null;
    final CriteriaBuilder cb = this.em.getCriteriaBuilder();
    final CriteriaQuery<String> q = cb.createQuery(String.class);
    final Root<EnterpriseType> f = q.from(EnterpriseType.class);
    q.select(f.<String>get(EnterpriseType_.modelVersion));
    q.orderBy(cb.desc(f.<String>get(EnterpriseType_.modelVersion)));
    final TypedQuery<String> typedQuery = this.em.createQuery(q);
    final List<String> list = typedQuery.getResultList();
    if (Objects.nonNull(list) && list.size() > 0) {
        value = list.get(0);
    }
    return value;
}

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From source file:org.jdal.dao.jpa.JpaDao.java

/**
 * Get JPA Order from a page order for a CriteriaQuery
 * @param page request page//from   ww w.ja  v  a2s. com
 * @param criteria CriteriaQuery to apply Order on.
 * @return new Order
 */
private Order getOrder(Page<?> page, CriteriaQuery<?> criteria) {
    CriteriaBuilder cb = em.getCriteriaBuilder();
    Root<T> root = JpaUtils.findRoot(criteria, getEntityClass());
    String propertyPath = page.getSortName();

    if (log.isDebugEnabled())
        log.debug("Setting order as: " + propertyPath);

    Path<?> path = JpaUtils.getPath(root, propertyPath);

    return page.getOrder() == Page.Order.ASC ? cb.asc(path) : cb.desc(path);
}

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From source file:eu.uqasar.service.dataadapter.JiraDataService.java

/**
 * /*from  www.jav a2  s.co  m*/
 * @param metric
 * @return
 * @throws uQasarException
 */
private List<JiraMetricMeasurement> getMeasurementsByMetricAndDate(String metric, Date date)
        throws uQasarException {
    logger.info("Get measurements for metric: " + metric);

    CriteriaBuilder cb = em.getCriteriaBuilder();
    CriteriaQuery<JiraMetricMeasurement> query = cb.createQuery(JiraMetricMeasurement.class);
    Root<JiraMetricMeasurement> root = query.from(JiraMetricMeasurement.class);
    Predicate condition = cb.equal(root.get(JiraMetricMeasurement_.jiraMetric), metric);
    Predicate condition2 = cb.equal(root.get(JiraMetricMeasurement_.timeStamp), date);
    Predicate condition3 = cb.and(condition, condition2);
    query.where(condition3);
    query.orderBy(cb.desc(root.get(JiraMetricMeasurement_.timeStamp)));
    return em.createQuery(query).getResultList();
}

---

From source file:eu.uqasar.service.dataadapter.JiraDataService.java

/**
 * /*from  w w  w  .  jav  a  2 s  .c  om*/
 * @param metric
 * @param date
 * @return
 * @throws uQasarException
 */
public int countMeasurementsByMetricAndDate(String metric, Date date) throws uQasarException {
    logger.info("Count measurements for metric: " + metric + " and date: " + date);

    CriteriaBuilder cb = em.getCriteriaBuilder();
    CriteriaQuery<JiraMetricMeasurement> query = cb.createQuery(JiraMetricMeasurement.class);
    Root<JiraMetricMeasurement> root = query.from(JiraMetricMeasurement.class);
    Predicate condition = cb.equal(root.get(JiraMetricMeasurement_.jiraMetric), metric);
    Predicate condition2 = cb.equal(root.get(JiraMetricMeasurement_.timeStamp), date);
    Predicate condition3 = cb.and(condition, condition2);
    query.where(condition3);
    query.orderBy(cb.desc(root.get(JiraMetricMeasurement_.timeStamp)));
    Integer res = em.createQuery(query).getResultList().size();
    logger.info("Results' count: " + res);
    return res;
}

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From source file:org.businessmanager.dao.GenericDaoImpl.java

@Override
public List<T> findAll(SingularAttribute<T, ?> orderAttribute, boolean orderAsc, int firstResult,
        int maxResults, Map<SingularAttribute<T, ?>, Object> filterAttributes, boolean enableLikeSearch) {
    CriteriaBuilder queryBuilder = entityManager.getCriteriaBuilder();

    CriteriaQuery<T> criteriaQuery = queryBuilder.createQuery(getPersistenceClass());
    Root<T> rootQuery = criteriaQuery.from(getPersistenceClass());

    CriteriaQuery<T> select = criteriaQuery.select(rootQuery);

    List<Predicate> predicateList = createFilterList(filterAttributes, enableLikeSearch, queryBuilder,
            rootQuery);/*from   ww  w .  jav a2s .c  om*/
    select.where(predicateList.toArray(new Predicate[0]));

    if (orderAsc) {
        criteriaQuery.orderBy(queryBuilder.asc(rootQuery.get(orderAttribute)));
    } else {
        criteriaQuery.orderBy(queryBuilder.desc(rootQuery.get(orderAttribute)));
    }

    TypedQuery<T> typedQuery = entityManager.createQuery(criteriaQuery);

    if (firstResult != -1) {
        typedQuery.setFirstResult(firstResult);
    }
    if (maxResults != -1) {
        typedQuery.setMaxResults(maxResults);
    }

    return typedQuery.getResultList();
}

---

From source file:eu.uqasar.service.dataadapter.JiraDataService.java

/** 
 * @param metric//w  w  w .  j  ava2s  .c om
 * @param project
 * @return
 * @throws uQasarException
 */
public List<JiraMetricMeasurement> getMeasurementsPerProjectByMetricWithLatestDate(Project project,
        String metric) throws uQasarException {
    logger.info("Count measurements for project + " + project.getAbbreviatedName() + " and metric: " + metric
            + "with latest date");

    CriteriaBuilder cb = em.getCriteriaBuilder();
    CriteriaQuery<JiraMetricMeasurement> query = cb.createQuery(JiraMetricMeasurement.class);
    Root<JiraMetricMeasurement> root = query.from(JiraMetricMeasurement.class);

    Predicate condition1 = cb.equal(root.get(JiraMetricMeasurement_.jiraMetric), metric);
    Predicate condition2 = cb.equal(root.get(JiraMetricMeasurement_.project), project);

    Predicate condition4 = cb.and(condition1, condition2);
    query.where(condition4);
    query.orderBy(cb.desc(root.get(JiraMetricMeasurement_.timeStamp)));
    List<JiraMetricMeasurement> returnResults = em.createQuery(query).getResultList();

    Date newDate = null;
    for (JiraMetricMeasurement jMM : returnResults) {
        if (newDate == null || jMM.getTimeStamp().compareTo(newDate) > 0) {
            newDate = jMM.getTimeStamp();
        }

    }

    return getMeasurementsByMetricAndDate(metric, newDate);
}

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