List of usage examples for javax.persistence.criteria JoinType LEFT
JoinType LEFT
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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 w w. java 2 s .com*/ * @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//from w w w. j av a2 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.niord.core.publication.PublicationService.java
/** * Searches for a page of publication IDs matching the given search parameters * Will also update the search result with the total number of matches * * @param params the search parameters//w w w .ja v a 2 s .c o m * @param result the result structure to update with the total number of matches * @return a page of publication IDs matching the given search parameters */ @SuppressWarnings("all") public List<Integer> searchPagedPublicationIds(PublicationSearchParams params, PagedSearchResultVo<Publication> result) { CriteriaBuilder cb = em.getCriteriaBuilder(); CriteriaQuery<Tuple> tupleQuery = cb.createTupleQuery(); Root<Publication> publicationRoot = tupleQuery.from(Publication.class); // Build the predicate CriteriaHelper<Tuple> criteriaHelper = CriteriaHelper.initWithTupleQuery(em); // Match the main type criteriaHelper.equals(publicationRoot.get("mainType"), params.getMainType()); // Match the file type criteriaHelper.equals(publicationRoot.get("type"), params.getType()); // Match the status if (params.getStatuses() != null && !params.getStatuses().isEmpty()) { criteriaHelper.in(publicationRoot.get("status"), params.getStatuses()); } // Match the title if (StringUtils.isNotBlank(params.getTitle())) { Join<Publication, PublicationDesc> descs = publicationRoot.join("descs", JoinType.LEFT); criteriaHelper.like(descs.get("title"), params.getTitle()); // Optionally, match the language if (StringUtils.isNotBlank(params.getLanguage())) { criteriaHelper.equals(descs.get("lang"), params.getLanguage()); } } // Match the category Join<Publication, PublicationCategory> typeJoin = publicationRoot.join("category", JoinType.LEFT); if (StringUtils.isNotBlank(params.getCategory())) { criteriaHelper.equals(typeJoin.get("categoryId"), params.getCategory()); } // Match the publish flag of the category if (params.getPublished() != null) { criteriaHelper.equals(typeJoin.get("publish"), params.getPublished()); } // Match the domain if (StringUtils.isNotBlank(params.getDomain())) { Join<Publication, Domain> domainJoin = publicationRoot.join("domain", JoinType.LEFT); criteriaHelper.add(cb.or(cb.isNull(publicationRoot.get("domain")), cb.equal(domainJoin.get("domainId"), params.getDomain()))); } // Match the message publication category criteriaHelper.equals(publicationRoot.get("messagePublication"), params.getMessagePublication()); // Filter by dates if (params.getFrom() != null || params.getTo() != null) { Date from = params.getFrom(); //TimeUtils.resetTime(params.getFrom()); Date to = params.getTo(); //TimeUtils.endOfDay(params.getTo()); criteriaHelper.overlaps(publicationRoot.get("publishDateFrom"), publicationRoot.get("publishDateTo"), from, to); } // Compute the sort order List<Order> sortOrders = new ArrayList<>(); sortOrders.add(cb.asc(typeJoin.get("priority"))); sortOrders.add(cb.desc(publicationRoot.get("publishDateFrom"))); // Select ID field + fields used for sorting List<Selection<?>> fields = new ArrayList<>(); fields.add(publicationRoot.get("id")); fields.add(typeJoin.get("priority")); fields.add(publicationRoot.get("publishDateFrom")); Selection[] f = fields.toArray(new Selection<?>[fields.size()]); // Complete the query tupleQuery.multiselect(f).distinct(true).where(criteriaHelper.where()).orderBy(sortOrders); // Execute the query List<Tuple> totalResult = em.createQuery(tupleQuery).getResultList(); // Register the total result result.setTotal(totalResult.size()); List<Integer> publicationIds = totalResult.stream().map(t -> (Integer) t.get(0)) .collect(Collectors.toList()); // Extract and return the paged sub-list int startIndex = Math.min(publicationIds.size(), params.getPage() * params.getMaxSize()); int endIndex = Math.min(publicationIds.size(), startIndex + params.getMaxSize()); return publicationIds.subList(startIndex, endIndex); }
From source file:org.seedstack.i18n.rest.internal.infrastructure.jpa.KeysQuery.java
private Subquery<String> getAllKeysWithTranslationFor(String locale) { Subquery<String> subQuery; if (selectQuery != null) { subQuery = selectQuery.subquery(String.class); } else {//from ww w . ja v a 2s . co m subQuery = countQuery.subquery(String.class); } Root<Key> fromKey = subQuery.from(Key.class); subQuery.select(fromKey.get(ENTITY_ID)); Join join = fromKey.join(TRANSLATIONS, JoinType.LEFT); Predicate keyIdsAreEquals = criteriaBuilder.equal(join.get(ENTITY_ID).get(LOCALE), locale); Predicate translationIsPresent = criteriaBuilder.notEqual(join.get(TRANSLATION_VALUE), ""); subQuery.where(criteriaBuilder.and(keyIdsAreEquals, translationIsPresent)); return subQuery; }
From source file:org.seedstack.i18n.rest.internal.infrastructure.jpa.KeysQuery.java
private void addApproximatePredicate(KeySearchCriteria criteria, String locale) { if (locale != null && criteria.getApprox() != null) { Join<Key, Translation> tln = keyRoot.join(TRANSLATIONS, JoinType.LEFT); Predicate isLocale = criteriaBuilder.equal(tln.get(ENTITY_ID).get(LOCALE), locale); predicates.add(isLocale);//from www . j a v a 2 s .co m Predicate isTranslationApproximate = criteriaBuilder.equal(tln.get(APPROXIMATE), criteria.getApprox()); predicates.add(isTranslationApproximate); } }
From source file:org.seedstack.i18n.rest.internal.KeyJpaFinder.java
/** * Extracts predicates from criteria./*from w w w . j a v a 2s. c om*/ * * @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 ww w . j a v a 2 s. com * * @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
@Override public List<Product> readProductsByIds(List<Long> productIds) { if (productIds == null || productIds.size() == 0) { return null; }//from ww w . j a va 2 s .c o m if (productIds.size() > 100) { logger.warn("Not recommended to use the readProductsByIds method for long lists of productIds, since " + "Hibernate is required to transform the distinct results. The list of requested" + "product ids was (" + productIds.size() + ") in length."); } // Set up the criteria query that specifies we want to return Products CriteriaBuilder builder = em.getCriteriaBuilder(); CriteriaQuery<Product> criteria = builder.createQuery(Product.class); Root<ProductImpl> product = criteria.from(ProductImpl.class); FetchParent fetchParent = product.fetch("defaultSku", JoinType.LEFT); if (!dialectHelper.isOracle() && !dialectHelper.isSqlServer()) { fetchParent.fetch("skuMedia", JoinType.LEFT); } criteria.select(product); // We only want results that match the product IDs criteria.where(product.get("id").as(Long.class).in(sandBoxHelper.mergeCloneIds(em, ProductImpl.class, productIds.toArray(new Long[productIds.size()])))); if (!dialectHelper.isOracle() && !dialectHelper.isSqlServer()) { criteria.distinct(true); } TypedQuery<Product> query = em.createQuery(criteria); query.setHint(QueryHints.HINT_CACHEABLE, true); query.setHint(QueryHints.HINT_CACHE_REGION, "query.Catalog"); return query.getResultList(); }
From source file:ru.savvy.jpafilterbuilder.FilterCriteriaBuilder.java
private Join reuseJoin(From<?, ?> path, String fieldName, boolean outer) { for (Join join : path.getJoins()) { if (join.getAttribute().getName().equals(fieldName)) { if ((join.getJoinType() == JoinType.LEFT) == outer) { logger.debug("Reusing existing join for field " + fieldName); return join; }//ww w . j av a 2 s . c o m } } return outer ? path.join(fieldName, JoinType.LEFT) : path.join(fieldName); }