Examples with EntityManager com.haulmont.cuba.core.EntityManager used on opensource projects

Example 21 with EntityManager

use of com.haulmont.cuba.core.EntityManager in project cuba by cuba-platform.

the class DynamicAttributesManager method loadEntityValues.

/**
 * Method loads entity values for CategoryAttributeValues of entity type and sets entity values to the corresponding
 * property of the {@code CategoryAttributeValue} entity.
 */
@SuppressWarnings("unchecked")
protected void loadEntityValues(List<CategoryAttributeValue> cavsOfEntityType) {
    HashMultimap<MetaClass, Object> entitiesIdsToBeLoaded = HashMultimap.create();
    HashMultimap<MetaClass, CategoryAttributeValue> cavByType = HashMultimap.create();
    cavsOfEntityType.forEach(cav -> {
        String className = cav.getCategoryAttribute().getEntityClass();
        try {
            Class<?> aClass = Class.forName(className);
            MetaClass metaClass = metadata.getClass(aClass);
            entitiesIdsToBeLoaded.put(metaClass, cav.getObjectEntityValueId());
            cavByType.put(metaClass, cav);
        } catch (ClassNotFoundException e) {
            log.error("Class {} not found", className);
        }
    });
    EntityManager em = persistence.getEntityManager();
    for (Map.Entry<MetaClass, Collection<Object>> entry : entitiesIdsToBeLoaded.asMap().entrySet()) {
        Map<Object, BaseGenericIdEntity> idToEntityMap = new HashMap<>();
        MetaClass metaClass = entry.getKey();
        Collection<Object> ids = entry.getValue();
        if (!ids.isEmpty()) {
            String pkName = referenceToEntitySupport.getPrimaryKeyForLoadingEntity(metaClass);
            List<BaseGenericIdEntity> entitiesValues = em.createQuery(format("select e from %s e where e.%s in :ids", metaClass.getName(), pkName)).setParameter("ids", ids).setView(metaClass.getJavaClass(), View.MINIMAL).getResultList();
            for (BaseGenericIdEntity entity : entitiesValues) {
                idToEntityMap.put(entity.getId(), entity);
            }
        }
        for (CategoryAttributeValue cav : cavByType.get(metaClass)) {
            cav.setTransientEntityValue(idToEntityMap.get(cav.getObjectEntityValueId()));
        }
    }
}

Example 22 with EntityManager

use of com.haulmont.cuba.core.EntityManager in project cuba by cuba-platform.

the class QueryCacheManager method getResultListFromCache.

/**
 * Get query results from query cache by specified {@code queryKey}
 */
@SuppressWarnings("unchecked")
public <T> List<T> getResultListFromCache(QueryKey queryKey, List<View> views) {
    log.debug("Looking for query in cache: {}", queryKey.printDescription());
    List<T> resultList = null;
    QueryResult queryResult = queryCache.get(queryKey);
    if (queryResult != null) {
        MetaClass metaClass = metadata.getClassNN(queryResult.getType());
        String storeName = metadata.getTools().getStoreName(metaClass);
        EntityManager em = persistence.getEntityManager(storeName);
        resultList = new ArrayList<>(queryResult.getResult().size());
        if (!metadata.getTools().isCacheable(metaClass)) {
            log.warn("Using cacheable query without entity cache for {}", queryResult.getType());
        }
        for (Object id : queryResult.getResult()) {
            resultList.add((T) em.find(metaClass.getJavaClass(), id, views.toArray(new View[views.size()])));
        }
    } else {
        log.debug("Query results are not found in cache: {}", queryKey.printDescription());
    }
    return resultList;
}

Example 23 with EntityManager

use of com.haulmont.cuba.core.EntityManager in project cuba by cuba-platform.

the class ServerTokenStoreImpl method getRefreshTokenValuesByUserLoginFromDatabase.

protected Set<String> getRefreshTokenValuesByUserLoginFromDatabase(String userLogin) {
    try (Transaction tx = persistence.createTransaction()) {
        EntityManager em = persistence.getEntityManager();
        List<String> result = em.createQuery("select e.tokenValue from sys$RefreshToken e where e.userLogin = :userLogin", String.class).setParameter("userLogin", userLogin).getResultList();
        tx.commit();
        return new HashSet<>(result);
    }
}

Example 24 with EntityManager

use of com.haulmont.cuba.core.EntityManager in project cuba by cuba-platform.

the class ServerTokenStoreImpl method deleteExpiredAccessTokensInDatabase.

protected void deleteExpiredAccessTokensInDatabase() {
    try (Transaction tx = persistence.createTransaction()) {
        EntityManager em = persistence.getEntityManager();
        em.createQuery("delete from sys$AccessToken t where t.expiry < CURRENT_TIMESTAMP").executeUpdate();
        tx.commit();
    }
}

Example 25 with EntityManager

use of com.haulmont.cuba.core.EntityManager in project cuba by cuba-platform.

the class ServerTokenStoreImpl method removeRefreshTokenFromDatabase.

protected void removeRefreshTokenFromDatabase(String refreshTokenValue) {
    try (Transaction tx = persistence.getTransaction()) {
        EntityManager em = persistence.getEntityManager();
        em.createQuery("delete from sys$RefreshToken t where t.tokenValue = :tokenValue").setParameter("tokenValue", refreshTokenValue).executeUpdate();
        tx.commit();
    }
}