/**
* 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);
}
/**
* Creates a new count query for the given {@link Specification}.
*
* @param spec can be {@literal null}.
* @return
*/
private TypedQuery<Long> getCountQuery(Specification<M> spec) {
CriteriaBuilder builder = em.getCriteriaBuilder();
CriteriaQuery<Long> query = builder.createQuery(Long.class);
Root<M> root = applySpecificationToCriteria(spec, query);
if (query.isDistinct()) {
query.select(builder.countDistinct(root));
} else {
query.select(builder.count(root));
}
TypedQuery<Long> q = em.createQuery(query);
repositoryHelper.applyEnableQueryCache(q);
return q;
}
static Application findApplication(String name, String version) {
EntityManager em = Stripersist.getEntityManager();
if (name != null) {
CriteriaBuilder cb = em.getCriteriaBuilder();
CriteriaQuery q = cb.createQuery(Application.class);
Root<Application> root = q.from(Application.class);
Predicate namePredicate = cb.equal(root.get("name"), name);
Predicate versionPredicate =
version != null ? cb.equal(root.get("version"), version) : cb.isNull(root.get("version"));
q.where(cb.and(namePredicate, versionPredicate));
try {
return (Application) em.createQuery(q).getSingleResult();
} catch (NoResultException nre) {
}
}
return null;
}
/**
* Applies the given {@link Specification} to the given {@link CriteriaQuery}.
*
* @param spec can be {@literal null}.
* @param query must not be {@literal null}.
* @return
*/
private <S> Root<M> applySpecificationToCriteria(Specification<M> spec, CriteriaQuery<S> query) {
Assert.notNull(query);
Root<M> root = query.from(entityClass);
if (spec == null) {
return root;
}
CriteriaBuilder builder = em.getCriteriaBuilder();
Predicate predicate = spec.toPredicate(root, query, builder);
if (predicate != null) {
query.where(predicate);
}
return root;
}
/**
* 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);
});
}
@Override
public <T> Page<T> queryForPage(CriteriaQuery criteriaQuery, Class<T> clazz) {
QueryBuilder elasticsearchQuery =
new CriteriaQueryProcessor().createQueryFromCriteria(criteriaQuery.getCriteria());
FilterBuilder elasticsearchFilter =
new CriteriaFilterProcessor().createFilterFromCriteria(criteriaQuery.getCriteria());
SearchRequestBuilder searchRequestBuilder = prepareSearch(criteriaQuery, clazz);
if (elasticsearchQuery != null) {
searchRequestBuilder.setQuery(elasticsearchQuery);
} else {
searchRequestBuilder.setQuery(QueryBuilders.matchAllQuery());
}
if (criteriaQuery.getMinScore() > 0) {
searchRequestBuilder.setMinScore(criteriaQuery.getMinScore());
}
if (elasticsearchFilter != null) searchRequestBuilder.setPostFilter(elasticsearchFilter);
SearchResponse response = searchRequestBuilder.execute().actionGet();
return resultsMapper.mapResults(response, clazz, criteriaQuery.getPageable());
}
@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;
}