Example usage for javax.persistence.criteria Root join

Introduction

In this page you can find the example usage for javax.persistence.criteria Root join.

Prototype

<Y> Join<X, Y> join(SingularAttribute<? super X, Y> attribute);

Source Link

Document

Create an inner join to the specified single-valued attribute.

Usage

From source file:hr.diskobolos.persistence.impl.EvaluationAnswerPersistenceImpl.java

@Override
public ConcurrentMap<TermsOfConditionStatus, AtomicLong> fetchTermsOfCompetitionStatistic() {
    CriteriaBuilder cb = entityManager.getCriteriaBuilder();
    CriteriaQuery<EvaluationAnswer> cq = cb.createQuery(EvaluationAnswer.class);
    Root<EvaluationAnswer> evaluationAnswer = cq.from(EvaluationAnswer.class);
    Join<EvaluationAnswer, QuestionChoicesDef> choiceDef = evaluationAnswer.join(EvaluationAnswer_.answer);
    Join<QuestionChoicesDef, EvaluationQuestionDef> questionDef = choiceDef
            .join(QuestionChoicesDef_.evaluationQuestionDef);
    ParameterExpression<QuestionnaireType> questionnaireType = cb.parameter(QuestionnaireType.class,
            "questionnaireType");
    cq.select(evaluationAnswer);/*from w w w .j a  v  a 2 s. c o  m*/
    cq.where(cb.equal(questionDef.get(EvaluationQuestionDef_.questionnaireType), questionnaireType));
    TypedQuery<EvaluationAnswer> query = entityManager.createQuery(cq);
    query.setParameter("questionnaireType", QuestionnaireType.TERMS_OF_CONDITION);
    List<EvaluationAnswer> evaluationAnswers = query.getResultList();

    ConcurrentMap<TermsOfConditionStatus, AtomicLong> distributionByTermsOfCompetitionStatus = new ConcurrentHashMap<>();

    List<EvaluationQuestionnaireDefEnum> questionnaireDef = Arrays
            .asList(EvaluationQuestionnaireDefEnum.values());
    long numberOfQuestion = questionnaireDef.stream()
            .filter(q -> q.getQuestionnaireType().equals(QuestionnaireType.TERMS_OF_CONDITION))
            .collect(Collectors.counting());

    List<MemberRegister> memberRegisters = evaluationAnswers.stream()
            .filter(StreamUtil.distinctByKey((EvaluationAnswer e) -> e.getMemberRegister().getId()))
            .map(EvaluationAnswer::getMemberRegister).collect(Collectors.toList());
    memberRegisters.stream().forEach((memberRegister) -> {
        TermsOfConditionStatus termsOfConditionStatus = TermsOfConditionStatus.NONE;
        if (evaluationAnswers.stream().filter(m -> m.getMemberRegister().equals(memberRegister))
                .count() == numberOfQuestion) {
            boolean isValid = evaluationAnswers.stream()
                    .filter(m -> m.getMemberRegister().equals(memberRegister))
                    .allMatch(e -> e.getAnswer().getLabel()
                            .equals(messageSource.getMessage("QuestionChoicesDef.yes", null, Locale.ENGLISH)));
            termsOfConditionStatus = isValid ? TermsOfConditionStatus.VALID : TermsOfConditionStatus.INVALID;
        }
        distributionByTermsOfCompetitionStatus.putIfAbsent(termsOfConditionStatus, new AtomicLong(0));
        distributionByTermsOfCompetitionStatus.get(termsOfConditionStatus).incrementAndGet();
    });

    return distributionByTermsOfCompetitionStatus;
}

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From source file:com.expressui.core.dao.security.query.RelatedRolesQuery.java

@Override
public List<Predicate> buildCriteria(CriteriaBuilder builder, CriteriaQuery<Role> query, Root<Role> role) {
    List<Predicate> predicates = new ArrayList<Predicate>();

    if (hasValue(user)) {
        ParameterExpression<User> userExp = builder.parameter(User.class, "user");
        predicates.add(builder.equal(role.join("userRoles").get("user"), userExp));
    }/*  ww w. j  a  v a  2s .  co  m*/

    return predicates;
}

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

public Integer getSalesVolume(Date beginDate, Date endDate) {
    CriteriaBuilder criteriaBuilder = entityManager.getCriteriaBuilder();
    CriteriaQuery<Integer> criteriaQuery = criteriaBuilder.createQuery(Integer.class);
    Root<Order> root = criteriaQuery.from(Order.class);
    criteriaQuery.select(criteriaBuilder.sum(root.join("orderItems").<Integer>get("shippedQuantity")));
    Predicate restrictions = criteriaBuilder.conjunction();
    restrictions = criteriaBuilder.and(restrictions,
            criteriaBuilder.equal(root.get("orderStatus"), OrderStatus.completed));
    if (beginDate != null) {
        restrictions = criteriaBuilder.and(restrictions,
                criteriaBuilder.greaterThanOrEqualTo(root.<Date>get("createDate"), beginDate));
    }/*from w ww  .  j  av  a 2 s . c  om*/
    if (endDate != null) {
        restrictions = criteriaBuilder.and(restrictions,
                criteriaBuilder.lessThanOrEqualTo(root.<Date>get("createDate"), endDate));
    }
    criteriaQuery.where(restrictions);
    return entityManager.createQuery(criteriaQuery).setFlushMode(FlushModeType.COMMIT).getSingleResult();
}

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From source file:ch.puzzle.itc.mobiliar.business.resourcegroup.control.ResourceGroupRepository.java

/**
 *
 * @param name//from ww w  .  j a v  a2  s.c  o m
 * @param resourceTypeId
 * @return
 */
public ResourceGroupEntity loadUniqueGroupByNameAndType(String name, Integer resourceTypeId) {
    ResourceGroupEntity result = null;
    try {
        CriteriaBuilder cb = entityManager.getCriteriaBuilder();
        CriteriaQuery<ResourceGroupEntity> q = cb.createQuery(ResourceGroupEntity.class);
        Root<ResourceGroupEntity> r = q.from(ResourceGroupEntity.class);
        r.fetch("resources");
        Join<ResourceGroupEntity, ResourceEntity> resources = r.join("resources");
        Predicate typePred = cb.equal(resources.get("resourceType").get("id"), resourceTypeId);
        Predicate resNamePred = cb.equal(resources.get("name"), name);

        q.where(cb.and(typePred, resNamePred));

        q.distinct(true);

        result = entityManager.createQuery(q).getSingleResult();
    } catch (NoResultException e) {
        // do nothing
    }
    return result;
}

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From source file:com.movies.dao.impl.BaseDaoImpl.java

@Override
public <T> List<T> getObjectsByCriteria(Map<String, Object> map, Class returnClass,
        List<SingularAttribute> singleAttributes, List<ListAttribute> listAttributes,
        List<SetAttribute> setAttributes) {
    CriteriaBuilder cb = em.getCriteriaBuilder();
    CriteriaQuery<T> cq = cb.createQuery(returnClass).distinct(true);
    Root<T> root = cq.from(returnClass);

    if (CollectionUtils.isNotEmpty(singleAttributes)) {
        for (SingularAttribute attribute : singleAttributes) {
            root.join(attribute);
            root.fetch(attribute);/*ww w .j  a  v a  2 s  .c  o  m*/
        }
    }

    if (CollectionUtils.isNotEmpty(listAttributes)) {
        for (ListAttribute attribute : listAttributes) {
            root.join(attribute, JoinType.LEFT);
            root.fetch(attribute, JoinType.LEFT);
        }
    }

    if (CollectionUtils.isNotEmpty(setAttributes)) {
        for (SetAttribute attribute : setAttributes) {
            root.join(attribute, JoinType.LEFT);
            root.fetch(attribute, JoinType.LEFT);
        }
    }
    Set<Entry<String, Object>> set = map.entrySet();
    int numberOfClauses = set.size();
    Predicate[] predicates = new Predicate[numberOfClauses];
    int i = 0;
    for (Entry<String, Object> entry : set) {
        String key = entry.getKey();
        if (MovieConstants.NAME_FIELD.equals(key) || MovieConstants.SURNAME_FIELD.equals(key)) {
            predicates[i++] = cb.like(cb.upper(root.<String>get(key)), LIKE + entry.getValue() + LIKE);
        } else if (MovieConstants.MOVIE_DIRECTOR_FIELD.equals(key)) {
            //predicates[i++] = cb.equal( ,entry.getValue());
        } else {
            predicates[i++] = cb.equal(root.get(key), entry.getValue());
        }
    }

    return em.createQuery(cq.select(root).where(predicates)).getResultList();

}

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From source file:com.expressui.core.dao.security.query.RelatedUsersQuery.java

@Override
public List<Predicate> buildCriteria(CriteriaBuilder builder, CriteriaQuery<User> query, Root<User> user) {
    List<Predicate> predicates = new ArrayList<Predicate>();

    if (hasValue(role)) {
        ParameterExpression<Role> roleExp = builder.parameter(Role.class, "role");
        predicates.add(builder.equal(user.join("userRoles").get("role"), roleExp));
    }//ww  w .j  a va 2  s  .  c  o m

    if (hasValue(doesNotBelongToRole)) {
        Subquery<User> subquery = query.subquery(User.class);
        Root userRole = subquery.from(UserRole.class);
        ParameterExpression<Role> roleExp = builder.parameter(Role.class, "doesNotBelongToRole");
        subquery.select(userRole.get("user")).where(builder.equal(userRole.get("role"), roleExp));
        predicates.add(builder.not(user.in(subquery)));
    }

    return predicates;
}

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From source file:com.vladmihalcea.HibernateCriteriaTest.java

private List<Product> getProducts_Mercifully() {
    return transactionTemplate.execute(new TransactionCallback<List<Product>>() {
        @Override//from   w w  w  .  j a va  2s.  c  o m
        public List<Product> doInTransaction(TransactionStatus transactionStatus) {
            CriteriaBuilder cb = entityManager.getCriteriaBuilder();
            CriteriaQuery<Product> query = cb.createQuery(Product.class);
            Root<Image> imageRoot = query.from(Image.class);
            Join<Image, Product> productJoin = imageRoot.join(Image_.product);
            query.select(productJoin);
            query.distinct(true);
            List<Predicate> criteria = new ArrayList<Predicate>();
            criteria.add(cb.like(cb.lower(productJoin.get(Product_.name)), "%tv%"));
            criteria.add(cb.gt(imageRoot.get(Image_.index), 0));
            query.where(cb.and(criteria.toArray(new Predicate[criteria.size()])));
            return entityManager.createQuery(query).getResultList();
        }
    });
}

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From source file:com.vladmihalcea.HibernateCriteriaTest.java

private List<ImageProductDTO> getImageProductDTOs() {
    return transactionTemplate.execute(new TransactionCallback<List<ImageProductDTO>>() {
        @Override//from w  ww  . j av  a 2s  .  c  o  m
        public List<ImageProductDTO> doInTransaction(TransactionStatus transactionStatus) {
            CriteriaBuilder cb = entityManager.getCriteriaBuilder();
            CriteriaQuery<ImageProductDTO> query = cb.createQuery(ImageProductDTO.class);
            Root<Image> imageRoot = query.from(Image.class);
            Join<Image, Product> productJoin = imageRoot.join(Image_.product);
            query.distinct(true);
            List<Predicate> criteria = new ArrayList<Predicate>();
            criteria.add(cb.like(cb.lower(productJoin.get(Product_.name)), "%tv%"));
            criteria.add(cb.gt(imageRoot.get(Image_.index), 0));
            query.where(cb.and(criteria.toArray(new Predicate[criteria.size()])));
            query.select(cb.construct(ImageProductDTO.class, imageRoot.get(Image_.name),
                    productJoin.get(Product_.name))).orderBy(cb.asc(imageRoot.get(Image_.name)));
            return entityManager.createQuery(query).getResultList();
        }
    });
}

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From source file:com.vladmihalcea.HibernateCriteriaTest.java

private List<Product> getProducts_Mercilessly() {
    return transactionTemplate.execute(new TransactionCallback<List<Product>>() {
        @Override//from w  w w . j  a  va 2  s  . co  m
        public List<Product> doInTransaction(TransactionStatus transactionStatus) {
            CriteriaBuilder cb = entityManager.getCriteriaBuilder();
            CriteriaQuery<Product> query = cb.createQuery(Product.class);
            Root<Product> product = query.from(Product.class);
            query.select(product);
            query.distinct(true);

            List<Predicate> criteria = new ArrayList<Predicate>();
            criteria.add(cb.like(cb.lower(product.get(Product_.name)), "%tv%"));

            Subquery<Long> subQuery = query.subquery(Long.class);
            Root<Image> infoRoot = subQuery.from(Image.class);
            Join<Image, Product> productJoin = infoRoot.join(Image_.product);
            subQuery.select(productJoin.<Long>get(Product_.id));

            subQuery.where(cb.gt(infoRoot.get(Image_.index), 0));
            criteria.add(cb.in(product.get(Product_.id)).value(subQuery));
            query.where(cb.and(criteria.toArray(new Predicate[criteria.size()])));
            return entityManager.createQuery(query).getResultList();
        }
    });
}

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From source file:ch.puzzle.itc.mobiliar.business.resourcegroup.control.ResourceTypeDomainService.java

private Query applicationServersForSuggestBox(String input) {
    CriteriaBuilder cb = entityManager.getCriteriaBuilder();
    CriteriaQuery<String> q = cb.createQuery(String.class);
    Root<ResourceEntity> r = q.from(ResourceEntity.class);
    Join<ResourceEntity, ResourceTypeEntity> resType = r.join("resourceType");
    Predicate appServerNamePred = cb.like(resType.<String>get("name"),
            DefaultResourceTypeDefinition.APPLICATIONSERVER.name());
    input = input + "%";
    q.where(cb.and(appServerNamePred, cb.like(r.<String>get("name"), input)));
    q.select(r.<String>get("name"));
    q.distinct(true);/*from  w  ww  . j av  a  2  s  . com*/

    q.orderBy(cb.asc(r.get("name")));

    return entityManager.createQuery(q);
}

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