Example usage for javax.persistence.criteria CriteriaBuilder and

List of usage examples for javax.persistence.criteria CriteriaBuilder and

Introduction

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

Prototype

Predicate and(Expression<Boolean> x, Expression<Boolean> y);

Source Link

Document

Create a conjunction of the given boolean expressions.

Usage

From source file:org.niord.core.message.MessageService.java

/**
 * Searches out the ID's of the paged result set of messages defined by the search parameters.
 * Also fills out the total result count of the message search result.
 *
 * @param param the search parameters//from  w ww.  j a v  a 2s  .  c o  m
 * @param result the search result to update with the total result count
 * @return the paged list of message ID's
 */
@SuppressWarnings("all")
List<Integer> searchPagedMessageIds(MessageSearchParams param, PagedSearchResultVo<Message> result)
        throws Exception {

    CriteriaBuilder builder = em.getCriteriaBuilder();
    CriteriaQuery<Tuple> tupleQuery = builder.createTupleQuery();

    // Select messages
    Root<Message> msgRoot = tupleQuery.from(Message.class);

    // Build the predicates based on the search parameters
    CriteriaHelper<Tuple> criteriaHelper = CriteriaHelper.initWithTupleQuery(em).between(msgRoot.get("updated"),
            param.getUpdatedFrom(), param.getUpdatedTo());

    // Filter by dates
    if (param.getFrom() != null || param.getTo() != null) {
        DateType dateType = param.getDateType() != null ? param.getDateType() : DateType.PUBLISH_DATE;
        Date from = param.getFrom();
        Date to = param.getTo();
        switch (dateType) {
        case PUBLISH_DATE:
            criteriaHelper.overlaps(msgRoot.get("publishDateFrom"), msgRoot.get("publishDateTo"), from, to);
            break;
        case EVENT_DATE:
            criteriaHelper.overlaps(msgRoot.get("eventDateFrom"), msgRoot.get("eventDateTo"), from, to);
            break;
        case CREATED_DATE:
            criteriaHelper.between(msgRoot.get("created"), from, to);
            break;
        case UPDATED_DATE:
            criteriaHelper.between(msgRoot.get("updated"), from, to);
            break;
        case PUBLISH_FROM_DATE:
            criteriaHelper.between(msgRoot.get("publishDateFrom"), from, to);
            break;
        case PUBLISH_TO_DATE:
            criteriaHelper.between(msgRoot.get("publishDateTo"), from, to);
            break;
        }
    }

    // Main types and sub-types
    if (!param.getMainTypes().isEmpty()) {
        criteriaHelper.in(msgRoot.get("mainType"), param.getMainTypes());
    }
    if (!param.getTypes().isEmpty()) {
        criteriaHelper.in(msgRoot.get("type"), param.getTypes());
    }

    // Statuses
    if (!param.getStatuses().isEmpty()) {
        criteriaHelper.in(msgRoot.get("status"), param.getStatuses());
    }

    // Search the Lucene index for free text search
    if (param.requiresLuceneSearch()) {
        List<Long> ids = null;
        try {
            ids = messageLuceneIndex.searchIndex(param.getQuery(), param.getLanguage(), Integer.MAX_VALUE);
        } catch (Exception e) {
            log.warn("Error searching lucene index for query " + param.getQuery());
            ids = Collections.emptyList();
        }
        criteriaHelper.in(msgRoot.get("id"), ids);
    }

    // Message series
    if (!param.getSeriesIds().isEmpty()) {
        criteriaHelper.in(msgRoot.get("messageSeries").get("seriesId"), param.getSeriesIds());
    }

    // Filter by area, join over...
    if (!param.getAreaIds().isEmpty()) {
        Join<Message, Area> areas = msgRoot.join("areas", JoinType.LEFT);
        if (!param.getAreaIds().isEmpty()) {
            Predicate[] areaMatch = param.getAreaIds().stream().map(aid -> areaService.findByAreaId(aid))
                    .filter(Objects::nonNull).map(a -> builder.like(areas.get("lineage"), a.getLineage() + "%"))
                    .toArray(Predicate[]::new);
            criteriaHelper.add(builder.or(areaMatch));
        }
    }

    // Filter on categories
    if (!param.getCategoryIds().isEmpty()) {
        Join<Message, Category> categories = msgRoot.join("categories", JoinType.LEFT);
        Predicate[] categoryMatch = param.getCategoryIds().stream()
                .map(cid -> categoryService.findByCategoryId(cid)).filter(Objects::nonNull)
                .map(c -> builder.like(categories.get("lineage"), c.getLineage() + "%"))
                .toArray(Predicate[]::new);
        criteriaHelper.add(builder.or(categoryMatch));
    }

    // Filter on charts
    if (!param.getChartNumbers().isEmpty()) {
        Join<Message, Chart> charts = msgRoot.join("charts", JoinType.LEFT);
        Predicate[] chartMatch = param.getChartNumbers().stream()
                .map(m -> builder.equal(charts.get("chartNumber"), m)).toArray(Predicate[]::new);
        criteriaHelper.add(builder.or(chartMatch));
    }

    // Geometry
    if (param.getExtent() != null) {
        param.getExtent().setSRID(WGS84_SRID);
        Join<Message, MessagePart> partRoot = msgRoot.join("parts", JoinType.LEFT);
        Join<Message, FeatureCollection> fcRoot = partRoot.join("geometry", JoinType.LEFT);
        Join<FeatureCollection, Feature> fRoot = fcRoot.join("features", JoinType.LEFT);
        Predicate geomPredicate = new SpatialIntersectsPredicate(criteriaHelper.getCriteriaBuilder(),
                fRoot.get("geometry"), param.getExtent());

        if (param.getIncludeNoPos() != null && param.getIncludeNoPos().booleanValue()) {
            // search for message with no geometry in addition to messages within extent
            criteriaHelper.add(builder.or(builder.equal(msgRoot.get("hasGeometry"), false), geomPredicate));
        } else {
            // Only search for messages within extent
            criteriaHelper.add(geomPredicate);
        }
    }

    // Tags
    if (!param.getTags().isEmpty()) {
        Join<Message, MessageTag> tags = msgRoot.join("tags", JoinType.LEFT);
        String[] tagIds = param.getTags().toArray(new String[param.getTags().size()]);
        Predicate[] tagMatch = messageTagService.findTags(tagIds).stream()
                .map(t -> builder.equal(tags.get("id"), t.getId())).toArray(Predicate[]::new);
        criteriaHelper.add(builder.or(tagMatch));
    }

    // User
    if (StringUtils.isNotBlank(param.getUsername())) {
        UserType userType = param.getUserType() == null ? UserType.UPDATED_BY : param.getUserType();
        if (userType == UserType.CREATED_BY || userType == UserType.LAST_UPDATED_BY) {
            String joinCol = userType == UserType.CREATED_BY ? "createdBy" : "lastUpdatedBy";
            Join<Message, User> userRoot = msgRoot.join(joinCol, JoinType.LEFT);
            criteriaHelper.equals(userRoot.get("username"), param.getUsername());
        } else {
            Join<Message, MessageHistory> historyRoot = msgRoot.join("history", JoinType.LEFT);
            Join<MessageHistory, User> userRoot = historyRoot.join("user", JoinType.LEFT);
            criteriaHelper.equals(userRoot.get("username"), param.getUsername());
        }
    }

    // Comments
    if (param.getCommentsType() != null) {
        Join<Message, Comment> comments = msgRoot.join("comments", JoinType.LEFT);
        User user = userService.currentUser();
        Predicate own = user != null ? builder.equal(comments.get("user"), user) : null;
        Predicate exists = builder.isNotNull(comments.get("id"));
        Predicate unack = builder.isNull(comments.get("acknowledgedBy"));

        if (user != null && param.getCommentsType() == OWN) {
            criteriaHelper.add(own);
        } else if (user != null && param.getCommentsType() == OWN_UNACK) {
            criteriaHelper.add(builder.and(own, unack));
        } else if (param.getCommentsType() == ANY_UNACK) {
            criteriaHelper.add(builder.and(exists, unack));
        } else if (param.getCommentsType() == ANY) {
            criteriaHelper.add(exists);
        }
    }

    // Refenced messages
    if (StringUtils.isNotBlank(param.getMessageId())) {
        int levels = param.getReferenceLevels() == null ? 1 : param.getReferenceLevels();
        // NB: This is expensive queries - limit the levels
        levels = Math.max(0, Math.min(5, levels));
        // First, find messages referenced by the message ID
        Set<Integer> referencedIds = findReferencedMessageIds(new HashSet<>(), param.getMessageId(), levels);
        // Next, add messages referencing the message ID
        findReferencingMessageIds(referencedIds, param.getMessageId(), levels);
        criteriaHelper.in(msgRoot.get("id"), referencedIds);
    }

    // Determine the fields to fetch
    Join<Message, Area> areaRoot = null;
    Expression<?> treeSortOrder = null;
    List<Selection<?>> fields = new ArrayList<>();
    fields.add(msgRoot.get("id"));
    if (param.sortByEventDate()) {
        fields.add(msgRoot.get("eventDateFrom"));
        fields.add(msgRoot.get("eventDateTo"));
    } else if (param.sortByPublishDate()) {
        fields.add(msgRoot.get("publishDateFrom"));
        fields.add(msgRoot.get("publishDateTo"));
    } else if (param.sortByFollowUpDate()) {
        fields.add(msgRoot.get("followUpDate"));
    } else if (param.sortById()) {
        fields.add(msgRoot.get("year"));
        fields.add(msgRoot.get("number"));
        fields.add(msgRoot.get("publishDateFrom"));
    } else if (param.sortByArea()) {
        areaRoot = msgRoot.join("area", JoinType.LEFT);
        // General messages (without an associated area) should be sorted last
        treeSortOrder = builder.selectCase().when(builder.isNull(areaRoot.get("treeSortOrder")), 999999)
                .otherwise(areaRoot.get("treeSortOrder"));
        fields.add(treeSortOrder);
        fields.add(msgRoot.get("areaSortOrder"));
        fields.add(msgRoot.get("year"));
        fields.add(msgRoot.get("number"));
    }
    Selection[] f = fields.toArray(new Selection<?>[fields.size()]);

    // Complete the query and fetch the message id's (and fields used for sorting)
    tupleQuery.multiselect(f).distinct(true).where(criteriaHelper.where());

    // Sort the query
    if (param.sortByEventDate()) {
        if (param.getSortOrder() == SortOrder.ASC) {
            tupleQuery.orderBy(builder.asc(msgRoot.get("eventDateFrom")),
                    builder.asc(msgRoot.get("eventDateTo")), builder.asc(msgRoot.get("id")));
        } else {
            tupleQuery.orderBy(builder.desc(msgRoot.get("eventDateFrom")),
                    builder.desc(msgRoot.get("eventDateTo")), builder.desc(msgRoot.get("id")));
        }
    } else if (param.sortByPublishDate()) {
        if (param.getSortOrder() == SortOrder.ASC) {
            tupleQuery.orderBy(builder.asc(msgRoot.get("publishDateFrom")),
                    builder.asc(msgRoot.get("publishDateTo")), builder.asc(msgRoot.get("id")));
        } else {
            tupleQuery.orderBy(builder.desc(msgRoot.get("publishDateFrom")),
                    builder.desc(msgRoot.get("publishDateTo")), builder.desc(msgRoot.get("id")));
        }
    } else if (param.sortByFollowUpDate()) {
        if (param.getSortOrder() == SortOrder.ASC) {
            tupleQuery.orderBy(builder.asc(msgRoot.get("followUpDate")), builder.asc(msgRoot.get("id")));
        } else {
            tupleQuery.orderBy(builder.desc(msgRoot.get("followUpDate")), builder.desc(msgRoot.get("id")));
        }
    } else if (param.sortById()) {
        if (param.getSortOrder() == SortOrder.ASC) {
            tupleQuery.orderBy(builder.asc(msgRoot.get("year")), builder.asc(msgRoot.get("number")),
                    builder.asc(msgRoot.get("publishDateFrom")), builder.asc(msgRoot.get("id")));
        } else {
            tupleQuery.orderBy(builder.desc(msgRoot.get("year")), builder.desc(msgRoot.get("number")),
                    builder.desc(msgRoot.get("publishDateFrom")), builder.desc(msgRoot.get("id")));
        }
    } else if (param.sortByArea()) {
        if (param.getSortOrder() == SortOrder.ASC) {
            tupleQuery.orderBy(builder.asc(treeSortOrder), builder.asc(msgRoot.get("areaSortOrder")),
                    builder.asc(msgRoot.get("year")), builder.asc(msgRoot.get("number")),
                    builder.asc(msgRoot.get("id")));
        } else {
            tupleQuery.orderBy(builder.desc(treeSortOrder), builder.desc(msgRoot.get("areaSortOrder")),
                    builder.desc(msgRoot.get("year")), builder.desc(msgRoot.get("number")),
                    builder.desc(msgRoot.get("id")));
        }
    }

    // Execute the query
    List<Tuple> totalResult = em.createQuery(tupleQuery).getResultList();

    // Register the total result
    result.setTotal(totalResult.size());

    List<Integer> msgIds = totalResult.stream().map(t -> (Integer) t.get(0)).collect(Collectors.toList());

    // Extract and return the paged sub-list
    int startIndex = Math.min(msgIds.size(), param.getPage() * param.getMaxSize());
    int endIndex = Math.min(msgIds.size(), startIndex + param.getMaxSize());
    return msgIds.subList(startIndex, endIndex);
}

From source file:org.niord.core.message.MessageTagService.java

/**
 * Searches for message tags matching the given search parameters
 *
 * @param params the search parameters/*  w  w w.  j  ava2  s  . c  o m*/
 * @return the search result
 */
@SuppressWarnings("ResultOfMethodCallIgnored")
public List<MessageTag> searchMessageTags(MessageTagSearchParams params) {
    User user = userService.currentUser();
    Domain domain = domainService.currentDomain();

    CriteriaBuilder cb = em.getCriteriaBuilder();
    CriteriaQuery<MessageTag> query = cb.createQuery(MessageTag.class);

    Root<MessageTag> tagRoot = query.from(MessageTag.class);

    // Build the predicate
    CriteriaHelper<MessageTag> criteriaHelper = new CriteriaHelper<>(cb, query);

    // Name filtering
    criteriaHelper.like(tagRoot.get("name"), params.getName());

    // Locked filtering
    criteriaHelper.equals(tagRoot.get("locked"), params.getLocked());

    // Type filtering
    Set<MessageTagType> types = params.getTypes() != null ? params.getTypes() : new HashSet<>();
    if (types.isEmpty()) {
        types.add(PUBLIC);
        types.add(DOMAIN);
        types.add(PRIVATE);
    }
    List<Predicate> typePredicates = new LinkedList<>();
    if (types.contains(PUBLIC)) {
        typePredicates.add(cb.equal(tagRoot.get("type"), MessageTagType.PUBLIC));
    }
    if (types.contains(DOMAIN) && domain != null) {
        Join<MessageTag, Domain> domains = tagRoot.join("domain", JoinType.LEFT);
        typePredicates.add(cb.and(cb.equal(tagRoot.get("type"), MessageTagType.DOMAIN),
                cb.equal(domains.get("id"), domain.getId())));
    }
    if (types.contains(PRIVATE) && user != null) {
        Join<MessageTag, User> users = tagRoot.join("user", JoinType.LEFT);
        typePredicates.add(cb.and(cb.equal(tagRoot.get("type"), MessageTagType.PRIVATE),
                cb.equal(users.get("id"), user.getId())));
    }
    if (types.contains(TEMP)) {
        typePredicates.add(cb.equal(tagRoot.get("type"), MessageTagType.TEMP));
    }
    criteriaHelper.add(cb.or(typePredicates.toArray(new Predicate[typePredicates.size()])));

    // Compute the sorting
    List<Order> sortOrders = new ArrayList<>();
    Order nameAscSortOrder = cb.asc(cb.lower(tagRoot.get("name")));
    if (params.sortByType()) {
        Expression sortBy = tagRoot.get("type");
        sortOrders.add(params.getSortOrder() == DESC ? cb.desc(sortBy) : cb.asc(sortBy));
        sortOrders.add(nameAscSortOrder);
    } else if (params.sortByCreated()) {
        Expression sortBy = tagRoot.get("created");
        sortOrders.add(params.getSortOrder() == DESC ? cb.desc(sortBy) : cb.asc(sortBy));
        sortOrders.add(nameAscSortOrder);
    } else if (params.sortByExpiryDate()) {
        Expression sortBy = tagRoot.get("expiryDate");
        sortOrders.add(params.getSortOrder() == DESC ? cb.desc(sortBy) : cb.asc(sortBy));
        sortOrders.add(nameAscSortOrder);
    } else if (params.sortByMessageCount()) {
        Expression sortBy = tagRoot.get("messageCount");
        sortOrders.add(params.getSortOrder() == DESC ? cb.desc(sortBy) : cb.asc(sortBy));
        sortOrders.add(nameAscSortOrder);
    } else {
        if (StringUtils.isNotBlank(params.getName())) {
            sortOrders.add(cb.asc(cb.locate(cb.lower(tagRoot.get("name")), params.getName().toLowerCase())));
        }
        String name = StringUtils.defaultIfBlank(params.getName(), "");
        Expression sortBy = cb.lower(tagRoot.get("name"));
        sortOrders.add(params.getSortOrder() == DESC ? cb.desc(sortBy) : cb.asc(sortBy));
    }

    // Complete the query
    query.select(tagRoot).distinct(true).where(criteriaHelper.where()).orderBy(sortOrders);

    // Execute the query and update the search result
    return em.createQuery(query).setMaxResults(params.getMaxSize()).getResultList();
}

From source file:org.seedstack.i18n.rest.internal.KeyJpaFinder.java

/**
 * Extracts predicates from criteria./*from   www  . ja v  a2s .c o m*/
 *
 * @param criteria criteria
 * @param cb       criteria builder
 * @param k        root key
 * @return list of predicate
 */
private Predicate[] getPredicates(Map<String, Object> criteria, CriteriaQuery q, CriteriaBuilder cb,
        Root<Key> k) {
    List<Predicate> predicates = new ArrayList<Predicate>();
    if (criteria != null) {
        // extract criteria from the map
        Boolean isApprox = (Boolean) criteria.get(IS_APPROX);
        Boolean isMissing = (Boolean) criteria.get(IS_MISSING);
        Boolean isOutdated = (Boolean) criteria.get(IS_OUTDATED);
        String searchName = (String) criteria.get(SEARCH_NAME);

        // is the key LIKE searchName
        if (StringUtils.isNotBlank(searchName)) {
            predicates.add(cb.like(k.<String>get(ENTITY_ID), "%" + searchName + "%"));
        }
        // is the key outdated
        if (isOutdated != null) {
            predicates.add(cb.equal(k.<Boolean>get(OUTDATED), isOutdated));
        }

        // if a default translation is available
        String defaultLocale = localeService.getDefaultLocale();
        if (defaultLocale != null && isApprox != null) {
            // join translation table
            Join<Key, Translation> tln = k.join(TRANSLATIONS, JoinType.LEFT);
            // WHERE locale = default locale
            predicates.add(cb.equal(tln.get(ENTITY_ID).get(LOCALE), defaultLocale));

            // is the translation approximate
            predicates.add(cb.equal(tln.get(APPROXIMATE), isApprox));
        }

        // is the translation missing
        if (isMissing != null) {
            // SubQuery to find all the key which get a translation for the default locale
            //noinspection unchecked
            Subquery<String> subquery = q.subquery(String.class);
            Root<Key> fromKey = subquery.from(Key.class);
            subquery.select(fromKey.<String>get(ENTITY_ID));
            Join join = fromKey.join(TRANSLATIONS, JoinType.LEFT);
            subquery.where(cb.and(cb.equal(join.get(ENTITY_ID).get(LOCALE), defaultLocale),
                    cb.notEqual(join.get(VALUE), "")));
            // Find all keys not in the above subquery, ie. all the keys missing
            predicates.add(cb.not(cb.in(k.get(ENTITY_ID)).value(subquery)));
        }
    }
    return predicates.toArray(new Predicate[predicates.size()]);
}

From source file:org.seedstack.i18n.rest.internal.TranslationJpaFinder.java

/**
 * Extracts predicates from criteria./*from  w  ww .  j a v a 2 s. co m*/
 *
 * @param criteria criteria
 * @param cb       criteria builder
 * @param k        root key
 * @return list of predicate
 */
private Predicate[] getPredicates(Map<String, Object> criteria, CriteriaQuery q, CriteriaBuilder cb,
        Root<Key> k) {
    List<Predicate> predicates = new ArrayList<Predicate>();
    if (criteria != null) {
        // extract criteria from the map
        Boolean isApprox = (Boolean) criteria.get(IS_APPROX);
        Boolean isMissing = (Boolean) criteria.get(IS_MISSING);
        Boolean isOutdated = (Boolean) criteria.get(IS_OUTDATED);
        String searchName = (String) criteria.get(SEARCH_NAME);
        String locale = (String) criteria.get(LOCALE);

        // is the key LIKE searchName
        if (StringUtils.isNotBlank(searchName)) {
            predicates.add(cb.like(k.<String>get(ENTITY_ID), "%" + searchName + "%"));
        }

        // if a default translation is available
        if (isApprox != null || isOutdated != null) {
            // join translation table
            Join<Key, Translation> tln = k.join(TRANSLATIONS, JoinType.LEFT);
            // WHERE locale = default locale
            predicates.add(cb.equal(tln.get(ENTITY_ID).get(LOCALE), locale));

            // is the key outdated
            if (isOutdated != null) {
                predicates.add(cb.equal(tln.<Boolean>get(OUTDATED), isOutdated));
            }

            // is the translation approximate
            if (isApprox != null) {
                predicates.add(cb.equal(tln.<Boolean>get(APPROXIMATE), isApprox));
            }
        }
        // is the translation missing
        if (isMissing != null) {
            // SubQuery to find all the key which get a translation for the default locale
            //noinspection unchecked
            Subquery<String> subquery = q.subquery(String.class);
            Root<Key> fromKey = subquery.from(Key.class);
            subquery.select(fromKey.<String>get(ENTITY_ID));
            Join join = fromKey.join(TRANSLATIONS, JoinType.LEFT);
            subquery.where(cb.and(cb.equal(join.get(ENTITY_ID).get(LOCALE), locale),
                    cb.notEqual(join.get(VALUE), "")));
            // Find all keys not in the above subquery, ie. all the keys missing
            predicates.add(cb.not(cb.in(k.get(ENTITY_ID)).value(subquery)));
        }
    }
    return predicates.toArray(new Predicate[predicates.size()]);
}

From source file:org.sparkcommerce.core.catalog.dao.ProductDaoImpl.java

protected void attachProductSearchCriteria(ProductSearchCriteria searchCriteria,
        From<?, ? extends Product> product, From<?, ? extends Sku> sku, List<Predicate> restrictions) {
    CriteriaBuilder builder = em.getCriteriaBuilder();

    // Build out the filter criteria from the users request
    for (Entry<String, String[]> entry : searchCriteria.getFilterCriteria().entrySet()) {
        String key = entry.getKey();
        List<String> eqValues = new ArrayList<String>();
        List<String[]> rangeValues = new ArrayList<String[]>();

        // Determine which path is the appropriate one to use
        Path<?> pathToUse;/*www  .  j  a v a 2 s. c o  m*/
        if (key.contains("defaultSku.")) {
            pathToUse = sku;
            key = key.substring("defaultSku.".length());
        } else if (key.contains("productAttributes.")) {
            pathToUse = product.join("productAttributes");

            key = key.substring("productAttributes.".length());
            restrictions.add(builder.equal(pathToUse.get("name").as(String.class), key));

            key = "value";
        } else if (key.contains("product.")) {
            pathToUse = product;
            key = key.substring("product.".length());
        } else {
            // We don't know which path this facet is built on - resolves previous bug that attempted
            // to attach search facet to any query parameter
            continue;
        }

        // Values can be equality checks (ie manufacturer=Dave's) or range checks, which take the form
        // key=range[minRange:maxRange]. Figure out what type of check this is
        for (String value : entry.getValue()) {
            if (value.contains("range[")) {
                String[] rangeValue = new String[] {
                        value.substring(value.indexOf("[") + 1, value.indexOf(":")),
                        value.substring(value.indexOf(":") + 1, value.indexOf("]")) };
                rangeValues.add(rangeValue);
            } else {
                eqValues.add(value);
            }
        }

        // Add the equality range restriction with the "in" builder. That means that the query string
        // ?manufacturer=Dave&manufacturer=Bob would match either Dave or Bob
        if (eqValues.size() > 0) {
            restrictions.add(pathToUse.get(key).in(eqValues));
        }

        // If we have any range restrictions, we need to build those too. Ranges are also "or"ed together,
        // such that specifying range[0:5] and range[10:null] for the same field would match items
        // that were valued between 0 and 5 OR over 10 for that field
        List<Predicate> rangeRestrictions = new ArrayList<Predicate>();
        for (String[] range : rangeValues) {
            BigDecimal min = new BigDecimal(range[0]);
            BigDecimal max = null;
            if (range[1] != null && !range[1].equals("null")) {
                max = new BigDecimal(range[1]);
            }

            Predicate minRange = builder.greaterThan(pathToUse.get(key).as(BigDecimal.class), min);
            Predicate maxRange = null;
            if (max != null) {
                maxRange = builder.lessThan(pathToUse.get(key).as(BigDecimal.class), max);
                rangeRestrictions.add(builder.and(minRange, maxRange));
            } else {
                rangeRestrictions.add(minRange);
            }
        }

        if (rangeRestrictions.size() > 0) {
            restrictions.add(builder.or(rangeRestrictions.toArray(new Predicate[rangeRestrictions.size()])));
        }
    }
}

From source file:org.xlcloud.service.dao.JpaVirtualClusterDefinitionsDao.java

/** {@inheritDoc} */
@Override//from   w  w w  .j a  v  a2s .  co m
public List<VirtualClusterDefinitionModel> findByTypeAndTags(Long accountId, String type, Set<String> tags,
        boolean paged) {
    if (LOG.isDebugEnabled()) {
        LOG.debug("finding vc definitions with type id: " + type + " and following tag ids:"
                + ToStringBuilder.reflectionToString(tags));
    }

    CriteriaBuilder criteriaBuilder = getCriteriaBuilder();
    CriteriaQuery<Tuple> query = criteriaBuilder.createTupleQuery();
    Root<VirtualClusterDefinitionModel> vcDefRoot = query.from(VirtualClusterDefinitionModel.class);

    Predicate typePredicate = criteriaBuilder.equal(vcDefRoot.get(VirtualClusterDefinitionModel_.type), type);
    Predicate tagsPredicate = vcDefRoot.get(VirtualClusterDefinitionModel_.tags).in(tags);

    boolean skipTagsJoin = tags.isEmpty();
    Predicate predicate = skipTagsJoin ? typePredicate : criteriaBuilder.and(typePredicate, tagsPredicate);

    Predicate scopePredicate;
    if (accountId != null) {
        Predicate accountPredicate = criteriaBuilder
                .equal(vcDefRoot.get(VirtualClusterDefinitionModel_.accountId), accountId);
        Predicate privatePredicate = criteriaBuilder
                .equal(vcDefRoot.get(VirtualClusterDefinitionModel_.catalogScope), CatalogScope.PRIVATE);
        scopePredicate = criteriaBuilder.and(accountPredicate, privatePredicate);
    } else {
        scopePredicate = criteriaBuilder.equal(vcDefRoot.get(VirtualClusterDefinitionModel_.catalogScope),
                CatalogScope.PUBLIC);
    }

    predicate = criteriaBuilder.and(predicate, scopePredicate);

    query.multiselect(vcDefRoot, criteriaBuilder.count(vcDefRoot));
    query.where(predicate);
    query.groupBy(vcDefRoot);
    if (!skipTagsJoin) {
        query.having(criteriaBuilder.equal(criteriaBuilder.count(vcDefRoot), tags.size()));
    }

    List<Tuple> list = getResultList(query, vcDefRoot, paged);
    List<VirtualClusterDefinitionModel> results = new LinkedList<VirtualClusterDefinitionModel>();
    for (Tuple t : list) {
        results.add((VirtualClusterDefinitionModel) t.get(0));
    }
    return results;
}