Download as
Browse Code »

Commit 2d7b9aad89368f09e2050a775ce7b0de7921f0d0

Authored by Vanderson Silva
1 parent 7af45fb1
Exists in master

Ajustes do PullRequest anterior: 

- Uso de metodos protecteds
- Renomeação dos métodos para findByJPQL e findByCriteriaQuery
- Ajustes no Javadoc
Correção do método findByJPQL que não versão anterior não funcionava
corretamente.
Showing 1 changed file with 28 additions and 29 deletions   Show diff stats
impl/extension/jpa/src/main/java/br/gov/frameworkdemoiselle/template/JPACrud.java
  Diff comments   View file @2d7b9aa
... ... @@ -175,46 +175,45 @@ public class JPACrud<T, I> implements Crud<T, I> {
175 175 List<T> lista = query.getResultList();
176 176 return lista;
177 177 }
178   -
  178 +
179 179 /**
180   - * Perform a paged query by JPQL
181   - * @param jpql
182   - * @return
  180 + * Search JPQL integrated into the context of paging
  181 + * @param jpql - query in syntax JPQL
  182 + * @return a list of entities
183 183 */
184   - public List<T> findJPQL(String jpql) {
  184 + protected List<T> findByJPQL(String jpql) {
  185 + pagination = getPagination();
185 186 TypedQuery<T> listQuery = getEntityManager().createQuery(jpql, getBeanClass());
186   - Pagination pagination = getPagination();
187 187 if (pagination != null) {
188   - CriteriaBuilder builder = getEntityManager().getCriteriaBuilder();
189   - CriteriaQuery<Long> countQuery = builder.createQuery(Long.class);
190   - countQuery.select(builder.count(countQuery.from(getBeanClass())));
191   - getEntityManager().createQuery(jpql, getBeanClass());
192   - pagination.setTotalResults((int) (getEntityManager().createQuery(countQuery).getSingleResult() + 0));
  188 + int indexFrom = jpql.toUpperCase().indexOf("FROM");
  189 + String countJPQL = "SELECT count(*) " + jpql.substring(indexFrom);
  190 + Query query= getEntityManager().createQuery(countJPQL);
  191 + Number cResults=(Number) query.getSingleResult();
  192 + pagination.setTotalResults(cResults.intValue());
193 193 listQuery.setFirstResult(pagination.getFirstResult());
194 194 listQuery.setMaxResults(pagination.getPageSize());
195 195 }
196 196 return listQuery.getResultList();
197 197 }
198   -
  198 +
199 199 /**
200   - * Perform a paged query by CriteriaQuery
201   - * @param jpql
202   - * @return
  200 + * Search CriteriaQuery integrated into the context of paging
  201 + * @param criteriaQuery - structure CriteriaQuery
  202 + * @return a list of entities
203 203 */
204   - public List<T> findCriteria(CriteriaQuery<T> select) {
205   - CriteriaBuilder builder = getEntityManager().getCriteriaBuilder();
206   -
207   - CriteriaQuery<Long> countQuery = builder.createQuery(Long.class);
208   - countQuery.select(builder.count(countQuery.from(getBeanClass())));
209   - getEntityManager().createQuery(countQuery);
210   -
211   - Pagination p = getPagination();
212   - p.setTotalResults((int) (getEntityManager().createQuery(countQuery).getSingleResult() + 0));
213   -
214   - TypedQuery<T> listQuery = getEntityManager().createQuery(select);
215   - listQuery.setFirstResult(p.getFirstResult());
216   - listQuery.setMaxResults(p.getPageSize());
217   -
  204 + public List<T> findByCriteriaQuery(CriteriaQuery<T> criteriaQuery, List<Predicate> predicates) {
  205 + pagination = getPagination();
  206 + TypedQuery<T> listQuery = getEntityManager().createQuery(criteriaQuery);
  207 + if (pagination != null) {
  208 + CriteriaBuilder builder = getEntityManager().getCriteriaBuilder();
  209 + CriteriaQuery<Long> countQuery = builder.createQuery(Long.class);
  210 + countQuery.select(builder.count(countQuery.from(getBeanClass())));
  211 + countQuery.where(predicates.toArray(new Predicate[] {}));
  212 + getEntityManager().createQuery(countQuery);
  213 + pagination.setTotalResults((int) (getEntityManager().createQuery(countQuery).getSingleResult() + 0));
  214 + listQuery.setFirstResult(pagination.getFirstResult());
  215 + listQuery.setMaxResults(pagination.getPageSize());
  216 + }
218 217 return listQuery.getResultList();
219 218 }
220 219  
... ...