Examples with ChildCachedEntity com.haulmont.cuba.core.model.entity_cache.ChildCachedEntity used on opensource projects

Example 1 with ChildCachedEntity

use of com.haulmont.cuba.core.model.entity_cache.ChildCachedEntity in project jmix by jmix-framework.

the class EntityCacheTestClass method testAdditionalParametersUsedDuringLazyLoading.

@Test
public void testAdditionalParametersUsedDuringLazyLoading() {
    // make sure that entity cache enabled for current entities
    assertTrue(Boolean.parseBoolean(env.getProperty("eclipselink.cache.shared.test$ChildCachedEntity")));
    assertTrue(Boolean.parseBoolean(env.getProperty("eclipselink.cache.shared.test$ParentCachedEntity")));
    provider.setParam(null);
    try (Transaction tx = persistence.createTransaction()) {
        persistence.getEntityManager().find(ParentCachedEntity.class, cachedParent.getId());
        fail("Query should throw exception without additional parameter");
    } catch (QueryException e) {
        assertTrue(e.getMessage().contains("No value was provided for the session property [testAdditional]"));
    }
    provider.setParam("ONE");
    try (Transaction tx = persistence.createTransaction()) {
        Query query = persistence.getEntityManager().createQuery("select p from test$ParentCachedEntity p where p.id = :id");
        query.setParameter("id", cachedParent.getId());
        ParentCachedEntity parent = (ParentCachedEntity) query.getResultList().get(0);
        javax.persistence.EntityManager em = persistence.getEntityManager().getDelegate();
        assertNotNull(parent);
        List<ChildCachedEntity> children = parent.getChildren();
        assertNotNull(children);
        /* Next line checks that changes from eclipselink 2.7.9-6-jmix (Haulmont/jmix-data#107) works:
             * DatabaseValueHolder passes additional criteria parameters using CubaUtil.
             * Entity in shared cache has no access to ClientSession with additional criteria parameters
             * so they has to be passed using another way.
             *
             * otherwise it will be exception:
             *   org.eclipse.persistence.exceptions.QueryException:
             *   Exception Description: No value was provided for the session property [testAdditional]
             */
        assertEquals(1, children.size());
        tx.commit();
    } finally {
        provider.setParam(null);
    }
}