Example usage for javax.persistence.criteria CriteriaBuilder exists

Introduction

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

Prototype

Predicate exists(Subquery<?> subquery);

Source Link

Document

Create a predicate testing the existence of a subquery result.

Usage

From source file:edu.pitt.dbmi.ccd.db.specification.AnnotationSpecification.java

private static Predicate existsInData(Root<Annotation> root, CriteriaQuery query, CriteriaBuilder cb,
        String term) {//from   w  w  w.j  a  v  a  2 s  .  c  om
    final Subquery<AnnotationData> subquery = query.subquery(AnnotationData.class);
    final Root<AnnotationData> subroot = subquery.from(AnnotationData.class);
    return cb.exists(subquery.select(subroot)
            .where(cb.and(cb.equal(subroot.get(ANNO), root), cb.like(cb.lower(subroot.get(VALUE)), term))));
}

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From source file:edu.pitt.dbmi.ccd.db.specification.AnnotationSpecification.java

private static Predicate hasAttributeName(Root<Annotation> root, CriteriaQuery query, CriteriaBuilder cb,
        String attributeName) {/* ww w  .  j ava2 s .c  o  m*/
    final Subquery<AnnotationData> subquery = query.subquery(AnnotationData.class);
    final Root<AnnotationData> subroot = subquery.from(AnnotationData.class);
    return cb.exists(subquery.select(subroot).where(cb.and(cb.equal(subroot.get(ANNO), root),
            cb.like(cb.lower(subroot.get(ATTRIB).get(NAME)), attributeName.toLowerCase()))));
}

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From source file:edu.pitt.dbmi.ccd.db.specification.AnnotationSpecification.java

private static Predicate hasAttributeLevel(Root<Annotation> root, CriteriaQuery query, CriteriaBuilder cb,
        String attributeLevel) {/*from   www.ja v a2 s .co m*/
    final Subquery<AnnotationData> subquery = query.subquery(AnnotationData.class);
    final Root<AnnotationData> subroot = subquery.from(AnnotationData.class);
    return cb.exists(subquery.select(subroot).where(cb.and(cb.equal(subroot.get(ANNO), root),
            cb.like(cb.lower(subroot.get(ATTRIB).get(LEVEL)), attributeLevel.toLowerCase()))));
}

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From source file:edu.pitt.dbmi.ccd.db.specification.AnnotationSpecification.java

private static Predicate hasAttributeReqLevel(Root<Annotation> root, CriteriaQuery query, CriteriaBuilder cb,
        String attributeReqLevel) {
    final Subquery<AnnotationData> subquery = query.subquery(AnnotationData.class);
    final Root<AnnotationData> subroot = subquery.from(AnnotationData.class);
    return cb.exists(subquery.select(subroot).where(cb.and(cb.equal(subroot.get(ANNO), root),
            cb.like(cb.lower(subroot.get(ATTRIB).get(REQ_LEVEL)), attributeReqLevel.toLowerCase()))));
}

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

/**
 * subquery(equivalent to dowhere1) : exists
 * SELECT e FROM jpa_query_employee e WHERE EXISTS (SELECT p FROM e.projects p WHERE p.name = :projectname)
 *///from   w  ww .  ja  va2 s  .c  o  m
@Transactional
public void doWhere2() {
    CriteriaBuilder cb = em.getCriteriaBuilder();
    CriteriaQuery<Employee> c = cb.createQuery(Employee.class);
    Root<Employee> e = c.from(Employee.class);

    // subquery
    Subquery<Project> sq = c.subquery(Project.class);
    // Root<Project> p = sq.from(Project.class);
    Root<Employee> se = sq.correlate(e);
    Join<Employee, Project> p = se.join("projects");
    sq.select(p).where(cb.equal(p.get("name"), cb.parameter(String.class, "projectname")));

    //
    c.select(e).where(cb.exists(sq));
}

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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);/*from   w w  w  .ja v a2s . c om*/
    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);
}

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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 ww  w  .  j  a v  a 2 s  .  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);
}

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From source file:com.yunguchang.data.ApplicationRepository.java

public List<TAzCarinfoEntity> listAllCandidateCars(String[] applicationIds, String keyword, Integer offset,
        Integer limit, PrincipalExt principalExt) {
    CriteriaBuilder cb = em.getCriteriaBuilder();
    CriteriaQuery<TAzCarinfoEntity> cq = cb.createQuery(TAzCarinfoEntity.class);
    Root<TAzCarinfoEntity> carRoot = cq.from(TAzCarinfoEntity.class);
    carRoot.fetch(TAzCarinfoEntity_.driver, JoinType.LEFT);

    cq.select(carRoot);//  w ww  .  j  a  v a  2  s .c  o  m
    Subquery<TBusScheduleCarEntity> overlapScheduleCarSubQuery = cq.subquery(TBusScheduleCarEntity.class);

    applyOverlapScheduleCarSubquery(overlapScheduleCarSubQuery, applicationIds, carRoot, null, cb,
            principalExt);
    Predicate predicate = cb.and(cb.equal(carRoot.get(TAzCarinfoEntity_.clzt), "02"),
            cb.or(cb.equal(carRoot.get(TAzCarinfoEntity_.repairingState), RepairingState.NONE.id()),
                    cb.isNull(carRoot.get(TAzCarinfoEntity_.repairingState))

            ), cb.not(cb.exists(overlapScheduleCarSubQuery))

    );

    if (keyword != null) {
        predicate = cb.and(predicate,
                cb.or(cb.like(carRoot.get(TAzCarinfoEntity_.sysOrg).get(TSysOrgEntity_.orgname),
                        "%" + keyword + "%"),
                        cb.like(carRoot.get(TAzCarinfoEntity_.cphm), "%" + keyword + "%")));
    }

    cq.where(predicate);
    cq.orderBy(cb.asc(carRoot.get(TAzCarinfoEntity_.cphm)));
    TypedQuery<TAzCarinfoEntity> query = em.createQuery(cq);
    if (offset != null) {
        query.setFirstResult(offset);
    }

    if (limit != null) {
        query.setMaxResults(limit);
    }

    applySecurityFilter("cars", principalExt);

    return query.getResultList();
}

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From source file:net.shopxx.dao.impl.OrderDaoImpl.java

public Page<Order> findPage(Order.Type type, Order.Status status, Member member, Goods goods,
        Boolean isPendingReceive, Boolean isPendingRefunds, Boolean isUseCouponCode, Boolean isExchangePoint,
        Boolean isAllocatedStock, Boolean hasExpired, Pageable pageable) {
    CriteriaBuilder criteriaBuilder = entityManager.getCriteriaBuilder();
    CriteriaQuery<Order> criteriaQuery = criteriaBuilder.createQuery(Order.class);
    Root<Order> root = criteriaQuery.from(Order.class);
    criteriaQuery.select(root);/* w w  w.j  a  v  a2  s  .c o  m*/
    Predicate restrictions = criteriaBuilder.conjunction();
    if (type != null) {
        restrictions = criteriaBuilder.and(restrictions, criteriaBuilder.equal(root.get("type"), type));
    }
    if (status != null) {
        restrictions = criteriaBuilder.and(restrictions, criteriaBuilder.equal(root.get("status"), status));
    }
    if (member != null) {
        restrictions = criteriaBuilder.and(restrictions, criteriaBuilder.equal(root.get("member"), member));
    }
    if (goods != null) {
        Subquery<Product> productSubquery = criteriaQuery.subquery(Product.class);
        Root<Product> productSubqueryRoot = productSubquery.from(Product.class);
        productSubquery.select(productSubqueryRoot);
        productSubquery.where(criteriaBuilder.equal(productSubqueryRoot.get("goods"), goods));

        Subquery<OrderItem> orderItemSubquery = criteriaQuery.subquery(OrderItem.class);
        Root<OrderItem> orderItemSubqueryRoot = orderItemSubquery.from(OrderItem.class);
        orderItemSubquery.select(orderItemSubqueryRoot);
        orderItemSubquery.where(criteriaBuilder.equal(orderItemSubqueryRoot.get("order"), root),
                criteriaBuilder.in(orderItemSubqueryRoot.get("product")).value(productSubquery));
        restrictions = criteriaBuilder.and(restrictions, criteriaBuilder.exists(orderItemSubquery));
    }
    if (isPendingReceive != null) {
        Predicate predicate = criteriaBuilder.and(
                criteriaBuilder.or(root.get("expire").isNull(),
                        criteriaBuilder.greaterThan(root.<Date>get("expire"), new Date())),
                criteriaBuilder.equal(root.get("paymentMethodType"), PaymentMethod.Type.cashOnDelivery),
                criteriaBuilder.notEqual(root.get("status"), Order.Status.completed),
                criteriaBuilder.notEqual(root.get("status"), Order.Status.failed),
                criteriaBuilder.notEqual(root.get("status"), Order.Status.canceled),
                criteriaBuilder.notEqual(root.get("status"), Order.Status.denied),
                criteriaBuilder.lessThan(root.<BigDecimal>get("amountPaid"), root.<BigDecimal>get("amount")));
        if (isPendingReceive) {
            restrictions = criteriaBuilder.and(restrictions, predicate);
        } else {
            restrictions = criteriaBuilder.and(restrictions, criteriaBuilder.not(predicate));
        }
    }
    if (isPendingRefunds != null) {
        Predicate predicate = criteriaBuilder.or(
                criteriaBuilder.and(
                        criteriaBuilder.or(
                                criteriaBuilder.and(root.get("expire").isNotNull(),
                                        criteriaBuilder.lessThanOrEqualTo(root.<Date>get("expire"),
                                                new Date())),
                                criteriaBuilder.equal(root.get("status"), Order.Status.failed),
                                criteriaBuilder.equal(root.get("status"), Order.Status.canceled),
                                criteriaBuilder.equal(root.get("status"), Order.Status.denied)),
                        criteriaBuilder.greaterThan(root.<BigDecimal>get("amountPaid"), BigDecimal.ZERO)),
                criteriaBuilder.and(criteriaBuilder.equal(root.get("status"), Order.Status.completed),
                        criteriaBuilder.greaterThan(root.<BigDecimal>get("amountPaid"),
                                root.<BigDecimal>get("amount"))));
        if (isPendingRefunds) {
            restrictions = criteriaBuilder.and(restrictions, predicate);
        } else {
            restrictions = criteriaBuilder.and(restrictions, criteriaBuilder.not(predicate));
        }
    }
    if (isUseCouponCode != null) {
        restrictions = criteriaBuilder.and(restrictions,
                criteriaBuilder.equal(root.get("isUseCouponCode"), isUseCouponCode));
    }
    if (isExchangePoint != null) {
        restrictions = criteriaBuilder.and(restrictions,
                criteriaBuilder.equal(root.get("isExchangePoint"), isExchangePoint));
    }
    if (isAllocatedStock != null) {
        restrictions = criteriaBuilder.and(restrictions,
                criteriaBuilder.equal(root.get("isAllocatedStock"), isAllocatedStock));
    }
    if (hasExpired != null) {
        if (hasExpired) {
            restrictions = criteriaBuilder.and(restrictions, root.get("expire").isNotNull(),
                    criteriaBuilder.lessThanOrEqualTo(root.<Date>get("expire"), new Date()));
        } else {
            restrictions = criteriaBuilder.and(restrictions, criteriaBuilder.or(root.get("expire").isNull(),
                    criteriaBuilder.greaterThan(root.<Date>get("expire"), new Date())));
        }
    }
    criteriaQuery.where(restrictions);
    return super.findPage(criteriaQuery, pageable);
}

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From source file:net.shopxx.dao.impl.OrderDaoImpl.java

public Long count(Order.Type type, Order.Status status, Member member, Goods goods, Boolean isPendingReceive,
        Boolean isPendingRefunds, Boolean isUseCouponCode, Boolean isExchangePoint, Boolean isAllocatedStock,
        Boolean hasExpired) {//from  ww w.j av  a 2s  .  co  m
    CriteriaBuilder criteriaBuilder = entityManager.getCriteriaBuilder();
    CriteriaQuery<Order> criteriaQuery = criteriaBuilder.createQuery(Order.class);
    Root<Order> root = criteriaQuery.from(Order.class);
    criteriaQuery.select(root);
    Predicate restrictions = criteriaBuilder.conjunction();
    if (type != null) {
        restrictions = criteriaBuilder.and(restrictions, criteriaBuilder.equal(root.get("type"), type));
    }
    if (status != null) {
        restrictions = criteriaBuilder.and(restrictions, criteriaBuilder.equal(root.get("status"), status));
    }
    if (member != null) {
        restrictions = criteriaBuilder.and(restrictions, criteriaBuilder.equal(root.get("member"), member));
    }
    if (goods != null) {
        Subquery<Product> productSubquery = criteriaQuery.subquery(Product.class);
        Root<Product> productSubqueryRoot = productSubquery.from(Product.class);
        productSubquery.select(productSubqueryRoot);
        productSubquery.where(criteriaBuilder.equal(productSubqueryRoot.get("goods"), goods));

        Subquery<OrderItem> orderItemSubquery = criteriaQuery.subquery(OrderItem.class);
        Root<OrderItem> orderItemSubqueryRoot = orderItemSubquery.from(OrderItem.class);
        orderItemSubquery.select(orderItemSubqueryRoot);
        orderItemSubquery.where(criteriaBuilder.equal(orderItemSubqueryRoot.get("order"), root),
                criteriaBuilder.in(orderItemSubqueryRoot.get("product")).value(productSubquery));
        restrictions = criteriaBuilder.and(restrictions, criteriaBuilder.exists(orderItemSubquery));
    }
    if (isPendingReceive != null) {
        Predicate predicate = criteriaBuilder.and(
                criteriaBuilder.or(root.get("expire").isNull(),
                        criteriaBuilder.greaterThan(root.<Date>get("expire"), new Date())),
                criteriaBuilder.equal(root.get("paymentMethodType"), PaymentMethod.Type.cashOnDelivery),
                criteriaBuilder.notEqual(root.get("status"), Order.Status.completed),
                criteriaBuilder.notEqual(root.get("status"), Order.Status.failed),
                criteriaBuilder.notEqual(root.get("status"), Order.Status.canceled),
                criteriaBuilder.notEqual(root.get("status"), Order.Status.denied),
                criteriaBuilder.lessThan(root.<BigDecimal>get("amountPaid"), root.<BigDecimal>get("amount")));
        if (isPendingReceive) {
            restrictions = criteriaBuilder.and(restrictions, predicate);
        } else {
            restrictions = criteriaBuilder.and(restrictions, criteriaBuilder.not(predicate));
        }
    }
    if (isPendingRefunds != null) {
        Predicate predicate = criteriaBuilder.or(
                criteriaBuilder.and(
                        criteriaBuilder.or(
                                criteriaBuilder.and(root.get("expire").isNotNull(),
                                        criteriaBuilder.lessThanOrEqualTo(root.<Date>get("expire"),
                                                new Date())),
                                criteriaBuilder.equal(root.get("status"), Order.Status.failed),
                                criteriaBuilder.equal(root.get("status"), Order.Status.canceled),
                                criteriaBuilder.equal(root.get("status"), Order.Status.denied)),
                        criteriaBuilder.greaterThan(root.<BigDecimal>get("amountPaid"), BigDecimal.ZERO)),
                criteriaBuilder.and(criteriaBuilder.equal(root.get("status"), Order.Status.completed),
                        criteriaBuilder.greaterThan(root.<BigDecimal>get("amountPaid"),
                                root.<BigDecimal>get("amount"))));
        if (isPendingRefunds) {
            restrictions = criteriaBuilder.and(restrictions, predicate);
        } else {
            restrictions = criteriaBuilder.and(restrictions, criteriaBuilder.not(predicate));
        }
    }
    if (isUseCouponCode != null) {
        restrictions = criteriaBuilder.and(restrictions,
                criteriaBuilder.equal(root.get("isUseCouponCode"), isUseCouponCode));
    }
    if (isExchangePoint != null) {
        restrictions = criteriaBuilder.and(restrictions,
                criteriaBuilder.equal(root.get("isExchangePoint"), isExchangePoint));
    }
    if (isAllocatedStock != null) {
        restrictions = criteriaBuilder.and(restrictions,
                criteriaBuilder.equal(root.get("isAllocatedStock"), isAllocatedStock));
    }
    if (hasExpired != null) {
        if (hasExpired) {
            restrictions = criteriaBuilder.and(restrictions, root.get("expire").isNotNull(),
                    criteriaBuilder.lessThanOrEqualTo(root.<Date>get("expire"), new Date()));
        } else {
            restrictions = criteriaBuilder.and(restrictions, criteriaBuilder.or(root.get("expire").isNull(),
                    criteriaBuilder.greaterThan(root.<Date>get("expire"), new Date())));
        }
    }
    criteriaQuery.where(restrictions);
    return super.count(criteriaQuery, null);
}

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