Example usage for javax.persistence.criteria CriteriaQuery orderBy

List of usage examples for javax.persistence.criteria CriteriaQuery orderBy

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Introduction

In this page you can find the example usage for javax.persistence.criteria CriteriaQuery orderBy.

Prototype

CriteriaQuery<T> orderBy(List<Order> o);

Source Link

Document

Specify the ordering expressions that are used to order the query results.

Usage

From source file:net.groupbuy.dao.impl.BaseDaoImpl.java

private void addOrders(CriteriaQuery<T> criteriaQuery, List<Order> orders) {
    if (criteriaQuery == null || orders == null || orders.isEmpty()) {
        return;//from   w  w w.j  av  a 2s  . c om
    }
    Root<T> root = getRoot(criteriaQuery);
    if (root == null) {
        return;
    }
    CriteriaBuilder criteriaBuilder = entityManager.getCriteriaBuilder();
    List<javax.persistence.criteria.Order> orderList = new ArrayList<javax.persistence.criteria.Order>();
    if (!criteriaQuery.getOrderList().isEmpty()) {
        orderList.addAll(criteriaQuery.getOrderList());
    }
    for (Order order : orders) {
        if (order.getDirection() == Direction.asc) {
            orderList.add(criteriaBuilder.asc(root.get(order.getProperty())));
        } else if (order.getDirection() == Direction.desc) {
            orderList.add(criteriaBuilder.desc(root.get(order.getProperty())));
        }
    }
    criteriaQuery.orderBy(orderList);
}

From source file:net.groupbuy.dao.impl.ArticleDaoImpl.java

public List<Article> findList(ArticleCategory articleCategory, Date beginDate, Date endDate, Integer first,
        Integer count) {/*from  w  ww .j av a  2  s.  c o m*/
    CriteriaBuilder criteriaBuilder = entityManager.getCriteriaBuilder();
    CriteriaQuery<Article> criteriaQuery = criteriaBuilder.createQuery(Article.class);
    Root<Article> root = criteriaQuery.from(Article.class);
    criteriaQuery.select(root);
    Predicate restrictions = criteriaBuilder.conjunction();
    restrictions = criteriaBuilder.and(restrictions, criteriaBuilder.equal(root.get("isPublication"), true));
    if (articleCategory != null) {
        restrictions = criteriaBuilder.and(restrictions,
                criteriaBuilder.or(criteriaBuilder.equal(root.get("articleCategory"), articleCategory),
                        criteriaBuilder.like(root.get("articleCategory").<String>get("treePath"),
                                "%" + ArticleCategory.TREE_PATH_SEPARATOR + articleCategory.getId()
                                        + ArticleCategory.TREE_PATH_SEPARATOR + "%")));
    }
    if (beginDate != null) {
        restrictions = criteriaBuilder.and(restrictions,
                criteriaBuilder.greaterThanOrEqualTo(root.<Date>get("createDate"), beginDate));
    }
    if (endDate != null) {
        restrictions = criteriaBuilder.and(restrictions,
                criteriaBuilder.lessThanOrEqualTo(root.<Date>get("createDate"), endDate));
    }
    criteriaQuery.where(restrictions);
    criteriaQuery.orderBy(criteriaBuilder.desc(root.get("isTop")));
    return super.findList(criteriaQuery, first, count, null, null);
}

From source file:org.osiam.resource_server.storage.dao.ResourceDao.java

public <T extends ResourceEntity> SearchResult<T> search(Class<T> clazz, ParseTree filterTree, int count,
        int startIndex, String sortBy, String sortOrder, FilterParser<T> filterParser) {

    CriteriaBuilder cb = em.getCriteriaBuilder();

    CriteriaQuery<T> resourceQuery = cb.createQuery(clazz);
    Root<T> resourceRoot = resourceQuery.from(clazz);

    Subquery<Long> internalIdQuery = resourceQuery.subquery(Long.class);
    Root<T> internalIdRoot = internalIdQuery.from(clazz);
    internalIdQuery.select(internalIdRoot.get(ResourceEntity_.internalId));

    if (filterTree != null && filterTree.getChildCount() > 0) {
        Predicate predicate = filterParser.createPredicateAndJoin(filterTree, internalIdRoot);
        internalIdQuery.where(predicate);
    }/*from   w  w  w . j a va 2  s  . c om*/

    resourceQuery.select(resourceRoot)
            .where(cb.in(resourceRoot.get(ResourceEntity_.internalId)).value(internalIdQuery));

    // TODO: evaluate if a User-/GroupDao supplied default sortBy field is possible
    Expression<?> sortByField = resourceRoot.get(ResourceEntity_.id);

    if (sortBy != null && !sortBy.isEmpty()) {
        sortByField = filterParser.createSortByField(sortBy, resourceRoot);
    }

    // default order is ascending
    Order order = cb.asc(sortByField);

    if (sortOrder.equalsIgnoreCase("descending")) {
        order = cb.desc(sortByField);
    }

    resourceQuery.orderBy(order);

    TypedQuery<T> query = em.createQuery(resourceQuery);
    query.setFirstResult(startIndex);
    query.setMaxResults(count);

    List<T> results = query.getResultList();

    long totalResult = getTotalResults(clazz, internalIdQuery);

    return new SearchResult<>(results, totalResult);
}

From source file:net.groupbuy.dao.impl.ArticleDaoImpl.java

public Page<Article> findPage(ArticleCategory articleCategory, List<Tag> tags, Pageable pageable) {
    CriteriaBuilder criteriaBuilder = entityManager.getCriteriaBuilder();
    CriteriaQuery<Article> criteriaQuery = criteriaBuilder.createQuery(Article.class);
    Root<Article> root = criteriaQuery.from(Article.class);
    criteriaQuery.select(root);/* w  w  w . j a  va  2 s .  co m*/
    Predicate restrictions = criteriaBuilder.conjunction();
    restrictions = criteriaBuilder.and(restrictions, criteriaBuilder.equal(root.get("isPublication"), true));
    if (articleCategory != null) {
        restrictions = criteriaBuilder.and(restrictions,
                criteriaBuilder.or(criteriaBuilder.equal(root.get("articleCategory"), articleCategory),
                        criteriaBuilder.like(root.get("articleCategory").<String>get("treePath"),
                                "%" + ArticleCategory.TREE_PATH_SEPARATOR + articleCategory.getId()
                                        + ArticleCategory.TREE_PATH_SEPARATOR + "%")));
    }
    if (tags != null && !tags.isEmpty()) {
        Subquery<Article> subquery = criteriaQuery.subquery(Article.class);
        Root<Article> subqueryRoot = subquery.from(Article.class);
        subquery.select(subqueryRoot);
        subquery.where(criteriaBuilder.equal(subqueryRoot, root), subqueryRoot.join("tags").in(tags));
        restrictions = criteriaBuilder.and(restrictions, criteriaBuilder.exists(subquery));
    }
    criteriaQuery.where(restrictions);
    criteriaQuery.orderBy(criteriaBuilder.desc(root.get("isTop")));
    return super.findPage(criteriaQuery, pageable);
}

From source file:net.groupbuy.dao.impl.ArticleDaoImpl.java

public List<Article> findList(ArticleCategory articleCategory, List<Tag> tags, Integer count,
        List<Filter> filters, List<Order> orders) {
    CriteriaBuilder criteriaBuilder = entityManager.getCriteriaBuilder();
    CriteriaQuery<Article> criteriaQuery = criteriaBuilder.createQuery(Article.class);
    Root<Article> root = criteriaQuery.from(Article.class);
    criteriaQuery.select(root);/*from www  .java2s. c  o  m*/
    Predicate restrictions = criteriaBuilder.conjunction();
    restrictions = criteriaBuilder.and(restrictions, criteriaBuilder.equal(root.get("isPublication"), true));
    if (articleCategory != null) {
        restrictions = criteriaBuilder.and(restrictions,
                criteriaBuilder.or(criteriaBuilder.equal(root.get("articleCategory"), articleCategory),
                        criteriaBuilder.like(root.get("articleCategory").<String>get("treePath"),
                                "%" + ArticleCategory.TREE_PATH_SEPARATOR + articleCategory.getId()
                                        + ArticleCategory.TREE_PATH_SEPARATOR + "%")));
    }
    if (tags != null && !tags.isEmpty()) {
        Subquery<Article> subquery = criteriaQuery.subquery(Article.class);
        Root<Article> subqueryRoot = subquery.from(Article.class);
        subquery.select(subqueryRoot);
        subquery.where(criteriaBuilder.equal(subqueryRoot, root), subqueryRoot.join("tags").in(tags));
        restrictions = criteriaBuilder.and(restrictions, criteriaBuilder.exists(subquery));
    }
    criteriaQuery.where(restrictions);
    criteriaQuery.orderBy(criteriaBuilder.desc(root.get("isTop")));
    return super.findList(criteriaQuery, null, count, filters, orders);
}

From source file:net.groupbuy.dao.impl.MemberDaoImpl.java

public List<Object[]> findPurchaseList(Date beginDate, Date endDate, Integer count) {
    CriteriaBuilder criteriaBuilder = entityManager.getCriteriaBuilder();
    CriteriaQuery<Object[]> criteriaQuery = criteriaBuilder.createQuery(Object[].class);
    Root<Member> member = criteriaQuery.from(Member.class);
    Join<Product, Order> orders = member.join("orders");
    criteriaQuery.multiselect(member.get("id"), member.get("username"), member.get("email"),
            member.get("point"), member.get("amount"), member.get("balance"),
            criteriaBuilder.sum(orders.<BigDecimal>get("amountPaid")));
    Predicate restrictions = criteriaBuilder.conjunction();
    if (beginDate != null) {
        restrictions = criteriaBuilder.and(restrictions,
                criteriaBuilder.greaterThanOrEqualTo(orders.<Date>get("createDate"), beginDate));
    }//from  w w w. ja v  a 2  s .  c  om
    if (endDate != null) {
        restrictions = criteriaBuilder.and(restrictions,
                criteriaBuilder.lessThanOrEqualTo(orders.<Date>get("createDate"), endDate));
    }
    restrictions = criteriaBuilder.and(restrictions,
            criteriaBuilder.equal(orders.get("orderStatus"), OrderStatus.completed),
            criteriaBuilder.equal(orders.get("paymentStatus"), PaymentStatus.paid));
    criteriaQuery.where(restrictions);
    criteriaQuery.groupBy(member.get("id"), member.get("username"), member.get("email"), member.get("point"),
            member.get("amount"), member.get("balance"));
    criteriaQuery.orderBy(criteriaBuilder.desc(criteriaBuilder.sum(orders.<BigDecimal>get("amountPaid"))));
    TypedQuery<Object[]> query = entityManager.createQuery(criteriaQuery).setFlushMode(FlushModeType.COMMIT);
    if (count != null && count >= 0) {
        query.setMaxResults(count);
    }
    return query.getResultList();
}

From source file:com.qpark.eip.core.spring.statistics.dao.StatisticsLoggingDao.java

/**
 * Add the {@link SystemUserLogType} to the database.
 *
 * @param log//www  .  j av  a 2s. c  o  m
 *            the {@link SystemUserLogType} to add.
 */
private void addChannelInvocation(final SystemUserLogType log) {
    /* Setup context and version. */
    log.setContext(this.getContextName());
    log.setVersion(this.getContextVersion());
    if (log.getUserName() != null && log.getUserName().trim().length() == 0) {
        log.setUserName(null);
    }

    /* Setup to search existing one. */
    final CriteriaBuilder cb = this.em.getCriteriaBuilder();
    final CriteriaQuery<SystemUserLogType> q = cb.createQuery(SystemUserLogType.class);
    final Root<SystemUserLogType> c = q.from(SystemUserLogType.class);

    final List<Predicate> predicates = new ArrayList<Predicate>();
    predicates.add(cb.equal(c.<String>get(SystemUserLogType_.context), log.getContext()));
    predicates.add(cb.equal(c.<String>get(SystemUserLogType_.version), log.getVersion()));
    if (log.getUserName() == null) {
        predicates.add(cb.isNull(c.<String>get(SystemUserLogType_.userName)));
    } else {
        predicates.add(cb.equal(c.<String>get(SystemUserLogType_.userName), log.getUserName()));
    }
    predicates.add(cb.equal(c.<String>get(SystemUserLogType_.serviceName), log.getServiceName()));
    predicates.add(cb.equal(c.<String>get(SystemUserLogType_.operationName), log.getOperationName()));
    predicates.add(cb.between(c.<Date>get(SystemUserLogType_.logDateItem), getDayStart(log.getLogDateItem()),
            getDayEnd(log.getLogDateItem())));

    q.where(predicates.toArray(new Predicate[predicates.size()]));
    q.orderBy(cb.desc(c.<Long>get(SystemUserLogType_.hjid)));
    TypedQuery<SystemUserLogType> typedQuery = this.em.createQuery(q);

    SystemUserLogType persistence = null;
    synchronized (StatisticsLoggingDao.class) {
        try {
            persistence = typedQuery.getSingleResult();
            if (persistence == null) {
                /* Not found -> persist */
                persistence = log;
                this.setupSystemUserLog(persistence, null);
                this.em.persist(persistence);
            } else {
                /* Found -> add and merge */
                this.setupSystemUserLog(persistence, log);
                this.em.merge(persistence);
            }
        } catch (final NoResultException e) {
            /* Not found -> persist */
            persistence = log;
            this.setupSystemUserLog(persistence, null);
            this.em.persist(persistence);
        } catch (final NonUniqueResultException e) {
            /* Found more */
            typedQuery = this.em.createQuery(q);
            final List<SystemUserLogType> list = typedQuery.getResultList();
            SystemUserLogType l;
            for (int i = 0; i < list.size(); i++) {
                l = list.get(i);
                if (persistence == null && l.getHjid() != null) {
                    persistence = l;
                    break;
                }
            }
            if (persistence != null) {
                /* Found more -> condense to first valid one -> merge. */
                this.setupSystemUserLog(persistence, log);
                for (int i = list.size() - 1; i >= 0; i--) {
                    l = list.get(i);
                    if (l != null && l.getHjid() != null) {
                        if (persistence.getHjid().equals(l.getHjid())) {
                        } else {
                            this.setupSystemUserLog(persistence, l);
                            list.remove(i);
                            this.em.remove(l);
                        }
                    }
                }
                this.em.merge(persistence);
            } else {
                /* Found more -> no valid one in list -> persist. */
                persistence = log;
                this.setupSystemUserLog(persistence, null);
                this.em.persist(persistence);
            }
        }
    }
    this.logger.debug("addChannelInvocation SystemUserLog {} {} {} {} {} {}",
            this.contextNameProvider.getContextName(), this.contextNameProvider.getContextVersion(),
            String.valueOf(persistence.getUserName()), persistence.getServiceName(),
            persistence.getOperationName(), persistence.getLogDate().toXMLFormat());
}

From source file:de.whs.poodle.repositories.StatisticsRepository.java

public List<Statistic> getStatistics(FeedbackSearchCriteria s, int instructorId, int limit) {
    CriteriaBuilder cb = em.getCriteriaBuilder();
    CriteriaQuery<Statistic> cq = cb.createQuery(Statistic.class);
    Root<Statistic> statistic = cq.from(Statistic.class);

    /* fetch the exercises immediately so they don't have to
     * be lazy-fetched one by one while rendering the table rows. */
    statistic.fetch("exercise");

    // join we need to match the course
    Join<Statistic, Course> course = statistic.join("courseTerm").join("course");

    // create empty "and" predicate
    Predicate where = cb.conjunction();

    // only non-empty
    Predicate notEmpty = cb.isFalse(statistic.get("empty"));
    where = cb.and(where, notEmpty);//from ww  w.  ja va 2  s. c o m

    // only statistics for courses that the instructor has access to
    Predicate hasInstructorAccessToCourse = cb.isTrue(cb.function("has_instructor_access_to_course",
            Boolean.class, course.get("id"), cb.literal(instructorId)));

    where = cb.and(where, hasInstructorAccessToCourse);

    // filter by courseId
    if (s.getCourseId() != 0) {
        Predicate courseMatches = cb.equal(course.get("id"), s.getCourseId());
        where = cb.and(where, courseMatches);
    }

    // filter by student
    if (s.getStudent() != null) {
        Predicate studentMatches = cb.equal(statistic.get("student").get("id"), s.getStudent().getId());
        where = cb.and(where, studentMatches);
    }

    cq.where(where);

    // order by date
    cq.orderBy(cb.desc(statistic.get("completedAt")));

    return em.createQuery(cq).setMaxResults(limit).getResultList();
}

From source file:net.groupbuy.dao.impl.ProductDaoImpl.java

public List<Product> search(String keyword, Boolean isGift, Integer count) {
    if (StringUtils.isEmpty(keyword)) {
        return Collections.<Product>emptyList();
    }/*from  w w w . j a v a2s  .c  o m*/
    CriteriaBuilder criteriaBuilder = entityManager.getCriteriaBuilder();
    CriteriaQuery<Product> criteriaQuery = criteriaBuilder.createQuery(Product.class);
    Root<Product> root = criteriaQuery.from(Product.class);
    criteriaQuery.select(root);
    Predicate restrictions = criteriaBuilder.conjunction();
    if (pattern.matcher(keyword).matches()) {
        restrictions = criteriaBuilder.and(restrictions,
                criteriaBuilder.or(criteriaBuilder.equal(root.get("id"), Long.valueOf(keyword)),
                        criteriaBuilder.like(root.<String>get("sn"), "%" + keyword + "%"),
                        criteriaBuilder.like(root.<String>get("fullName"), "%" + keyword + "%")));
    } else {
        restrictions = criteriaBuilder.and(restrictions,
                criteriaBuilder.or(criteriaBuilder.like(root.<String>get("sn"), "%" + keyword + "%"),
                        criteriaBuilder.like(root.<String>get("fullName"), "%" + keyword + "%")));
    }
    if (isGift != null) {
        restrictions = criteriaBuilder.and(restrictions, criteriaBuilder.equal(root.get("isGift"), isGift));
    }
    criteriaQuery.where(restrictions);
    criteriaQuery.orderBy(criteriaBuilder.desc(root.get("isTop")));
    return super.findList(criteriaQuery, null, count, null, null);
}

From source file:eu.domibus.common.dao.MessageLogDao.java

public List<MessageLogEntry> findPaged(int from, int max, String column, boolean asc,
        HashMap<String, Object> filters) {

    CriteriaBuilder cb = this.em.getCriteriaBuilder();
    CriteriaQuery<MessageLogEntry> cq = cb.createQuery(MessageLogEntry.class);
    Root<MessageLogEntry> mle = cq.from(MessageLogEntry.class);
    cq.select(mle);//from  www.  j a  v  a2  s. com
    List<Predicate> predicates = new ArrayList<Predicate>();
    for (Map.Entry<String, Object> filter : filters.entrySet()) {
        if (filter.getValue() != null) {
            if (filter.getValue() instanceof String) {
                if (!filter.getValue().toString().isEmpty()) {
                    switch (filter.getKey().toString()) {
                    case "receivedFrom":
                        predicates.add(cb.greaterThanOrEqualTo(mle.<Date>get("received"),
                                Timestamp.valueOf(filter.getValue().toString())));
                        break;
                    case "receivedTo":
                        predicates.add(cb.lessThanOrEqualTo(mle.<Date>get("received"),
                                Timestamp.valueOf(filter.getValue().toString())));
                        break;
                    default:
                        predicates.add(cb.like(mle.<String>get(filter.getKey()), (String) filter.getValue()));
                        break;
                    }
                }
            } else {
                predicates.add(cb.equal(mle.<String>get(filter.getKey()), filter.getValue()));
            }
        }
    }
    cq.where(cb.and(predicates.toArray(new Predicate[predicates.size()])));
    if (column != null) {
        if (asc) {
            cq.orderBy(cb.asc(mle.get(column)));
        } else {
            cq.orderBy(cb.desc(mle.get(column)));
        }

    }
    final TypedQuery<MessageLogEntry> query = this.em.createQuery(cq);
    query.setFirstResult(from);
    query.setMaxResults(max);
    return query.getResultList();
}