/** * Adds ORDER BY ... ASC/DESC to query Mutates provided criteria query * * @param sortFieldOpt - field to sort by (field name in JPA Entity class) * @param asc - true if order should be ASC, false otherwise */ public static void order( CriteriaBuilder cb, CriteriaQuery<?> cq, Root<?> from, Optional<String> sortFieldOpt, boolean asc) { sortFieldOpt.ifPresent( sortField -> { Order order = asc ? cb.asc(from.get(sortField)) : cb.desc(from.get(sortField)); cq.orderBy(order); }); }
/** * Creates a {@link TypedQuery} for the given {@link Specification} and {@link Sort}. * * @param spec can be {@literal null}. * @param sort can be {@literal null}. * @return */ private TypedQuery<M> getQuery(Specification<M> spec, Sort sort) { CriteriaBuilder builder = em.getCriteriaBuilder(); CriteriaQuery<M> query = builder.createQuery(entityClass); Root<M> root = applySpecificationToCriteria(spec, query); query.select(root); if (sort != null) { query.orderBy(toOrders(sort, root, builder)); } TypedQuery<M> q = em.createQuery(query); repositoryHelper.applyEnableQueryCache(q); return applyLockMode(q); }
@Override public List<VeteranAssessment> searchVeteranAssessmentForExport( Integer clinicanId, Integer createdByUserId, Integer programId, Date fromAssessmentDate, Date toAssessmentDate, Integer veteranId, List<Integer> programIdList) { CriteriaBuilder criteriaBuilder = entityManager.getCriteriaBuilder(); CriteriaQuery<VeteranAssessment> criteriaQuery = criteriaBuilder.createQuery(VeteranAssessment.class); Root<VeteranAssessment> veteranAssessmentRoot = criteriaQuery.from(VeteranAssessment.class); Join<VeteranAssessment, AssessmentStatus> assessmentStatusJoin = veteranAssessmentRoot.join("assessmentStatus"); List<Predicate> criteriaList = new ArrayList<Predicate>(); // only include assessments in the appropriate state Expression<Integer> statusExp = assessmentStatusJoin.get("assessmentStatusId"); Predicate statusPredicate = statusExp.in(getExportAssessmentStates()); criteriaList.add(statusPredicate); if (clinicanId != null) { Join<VeteranAssessment, User> clinicianJoin = veteranAssessmentRoot.join("clinician"); criteriaList.add(criteriaBuilder.equal(clinicianJoin.get("userId"), clinicanId)); } if (createdByUserId != null) { Join<VeteranAssessment, User> createdByUserJoin = veteranAssessmentRoot.join("createdByUser"); criteriaList.add(criteriaBuilder.equal(createdByUserJoin.get("userId"), createdByUserId)); } if (fromAssessmentDate != null) { criteriaList.add( criteriaBuilder.greaterThan( veteranAssessmentRoot.<Date>get("dateCreated"), fromAssessmentDate)); } if (toAssessmentDate != null) { criteriaList.add( criteriaBuilder.lessThanOrEqualTo( veteranAssessmentRoot.<Date>get("dateCreated"), toAssessmentDate)); } if (veteranId != null) { Join<VeteranAssessment, Veteran> veteranJoin = veteranAssessmentRoot.join("veteran"); criteriaList.add(criteriaBuilder.equal(veteranJoin.get("veteranId"), veteranId)); } if (programId != null) { // criteriaList.add(criteriaBuilder.equal(programJoin.get("programId"), programId)); if (programIdList == null) { programIdList = new ArrayList<Integer>(); } programIdList.add(programId); } if (programIdList != null && programIdList.size() > 0) { Join<VeteranAssessment, Program> programJoin = veteranAssessmentRoot.join("program"); Expression<Integer> exp = programJoin.get("programId"); Predicate programIdPredicate = exp.in(programIdList); criteriaList.add(programIdPredicate); } criteriaQuery.select(veteranAssessmentRoot); criteriaQuery.where(criteriaBuilder.and(criteriaList.toArray(new Predicate[0]))); @SuppressWarnings("rawtypes") Expression orderByPath = veteranAssessmentRoot.get("veteranAssessmentId"); criteriaQuery.orderBy(criteriaBuilder.desc(orderByPath)); // Generate the query based on the criteria. TypedQuery<VeteranAssessment> query = entityManager.createQuery(criteriaQuery); List<VeteranAssessment> veteranAssessments = query.getResultList(); return veteranAssessments; }
@Override public SearchResult<VeteranAssessment> searchVeteranAssessment( Integer veteranAssessmentId, Integer veteranId, Integer programId, Integer clinicanId, Integer createdByUserId, Date fromAssessmentDate, Date toAssessmentDate, List<Integer> programIdList, SearchAttributes searchAttributes) { CriteriaBuilder criteriaBuilder = entityManager.getCriteriaBuilder(); CriteriaQuery<VeteranAssessment> criteriaQuery = criteriaBuilder.createQuery(VeteranAssessment.class); Root<VeteranAssessment> veteranAssessmentRoot = criteriaQuery.from(VeteranAssessment.class); Join<VeteranAssessment, AssessmentStatus> assessmentStatusJoin = veteranAssessmentRoot.join("assessmentStatus"); Join<VeteranAssessment, Veteran> veteranJoin = veteranAssessmentRoot.join("veteran"); Join<VeteranAssessment, Program> programJoin = veteranAssessmentRoot.join("program"); Join<VeteranAssessment, User> clinicianJoin = veteranAssessmentRoot.join("clinician"); Join<VeteranAssessment, User> createdByUserJoin = veteranAssessmentRoot.join("createdByUser"); List<Predicate> criteriaList = new ArrayList<Predicate>(); if (veteranAssessmentId != null) { criteriaList.add( criteriaBuilder.equal( veteranAssessmentRoot.get("veteranAssessmentId"), veteranAssessmentId)); } if (veteranId != null) { criteriaList.add(criteriaBuilder.equal(veteranJoin.get("veteranId"), veteranId)); } if (programId != null) { criteriaList.add(criteriaBuilder.equal(programJoin.get("programId"), programId)); } if (clinicanId != null) { criteriaList.add(criteriaBuilder.equal(clinicianJoin.get("userId"), clinicanId)); } if (createdByUserId != null) { criteriaList.add(criteriaBuilder.equal(createdByUserJoin.get("userId"), createdByUserId)); } if (fromAssessmentDate != null) { criteriaList.add( criteriaBuilder.greaterThanOrEqualTo( veteranAssessmentRoot.<Date>get("dateUpdated"), fromAssessmentDate)); } if (toAssessmentDate != null) { criteriaList.add( criteriaBuilder.lessThanOrEqualTo( veteranAssessmentRoot.<Date>get("dateUpdated"), toAssessmentDate)); } if (programIdList != null && programIdList.size() > 0) { Expression<Integer> exp = programJoin.get("programId"); Predicate programIdPredicate = exp.in(programIdList); criteriaList.add(programIdPredicate); } criteriaQuery.select(veteranAssessmentRoot); criteriaQuery.where(criteriaBuilder.and(criteriaList.toArray(new Predicate[0]))); // Set default order by field and then check if one was passed to us. @SuppressWarnings("rawtypes") Expression orderByPath = veteranAssessmentRoot.get("veteranAssessmentId"); if (StringUtils.isNotBlank(searchAttributes.getSortColumn())) { if (searchAttributes.getSortColumn().equalsIgnoreCase("programName")) { orderByPath = programJoin.get("name"); } else if (searchAttributes.getSortColumn().equalsIgnoreCase("clinicianName")) { orderByPath = clinicianJoin.get("lastName"); } else if (searchAttributes.getSortColumn().equalsIgnoreCase("createdBy")) { orderByPath = createdByUserJoin.get("lastName"); } else if (searchAttributes.getSortColumn().equalsIgnoreCase("createDate")) { orderByPath = veteranAssessmentRoot.get("dateCreated"); } else if (searchAttributes.getSortColumn().equalsIgnoreCase("assessmentDate")) { orderByPath = veteranAssessmentRoot.get("dateUpdated"); } else if (searchAttributes.getSortColumn().equalsIgnoreCase("completeDate")) { orderByPath = veteranAssessmentRoot.get("dateCompleted"); } else if (searchAttributes.getSortColumn().equalsIgnoreCase("veteranId")) { orderByPath = veteranJoin.get("veteranId"); } else if (searchAttributes.getSortColumn().equalsIgnoreCase("veteranName")) { orderByPath = veteranJoin.get("lastName"); } else if (searchAttributes.getSortColumn().equalsIgnoreCase("assessmentStatusName")) { orderByPath = assessmentStatusJoin.get("name"); } else if (searchAttributes.getSortColumn().equalsIgnoreCase("ssnLastFour")) { orderByPath = veteranJoin.get("ssnLastFour"); } else if (searchAttributes.getSortColumn().equalsIgnoreCase("duration")) { orderByPath = veteranAssessmentRoot.get("duration"); } else if (searchAttributes.getSortColumn().equalsIgnoreCase("percentComplete")) { orderByPath = veteranAssessmentRoot.get("percentComplete"); } } if (searchAttributes.getSortDirection() == SortDirection.SORT_DESCENDING) { criteriaQuery.orderBy(criteriaBuilder.desc(orderByPath)); } else { criteriaQuery.orderBy(criteriaBuilder.asc(orderByPath)); } // Generate the query based on the criteria. TypedQuery<VeteranAssessment> query = entityManager.createQuery(criteriaQuery); SearchResult<VeteranAssessment> searchResult = new SearchResult<VeteranAssessment>(); // Get the total count. Not a very efficient way.... Integer totalCount = query.getResultList().size(); searchResult.setTotalNumRowsFound(totalCount); // Now get only the page. query.setFirstResult(searchAttributes.getRowStartIndex()); query.setMaxResults(searchAttributes.getPageSize()); List<VeteranAssessment> veteranAssessments = query.getResultList(); searchResult.setResultList(veteranAssessments); return searchResult; }