Examples of org.hibernate.Cache

org.hibernate.Cache
Provides an API for querying/managing the second level cache regions.
CAUTION: None of these methods respect any isolation or transactional semantics associated with the underlying caches. Specifically, evictions perform an immediate "hard" removal outside any transactions and/or locking scheme(s). @author Steve Ebersole

     *
     * @param emf
     * @see org.hibernate.ejb.EntityManagerFactoryImpl.JPACache#evictAll()
     */
    public static void evictLevel2Cache(EntityManagerFactory emf) {
        Cache cache = HibernateUtils.getCache(emf);
        cache.evictEntityRegions();
        cache.evictCollectionRegions();
        cache.evictDefaultQueryRegion();
        cache.evictQueryRegions();
        cache.evictNaturalIdRegions();
    }

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            @RequestParam(value = "entityIds", required = false) Serializable[] entityIds) {


        boolean entityNamesEmpty = ArrayUtils.isEmpty(entityNames);
        boolean entityIdsEmpty = ArrayUtils.isEmpty(entityIds);


        Cache cache = HibernateUtils.getCache(em);


        if(entityNamesEmpty && entityIdsEmpty) {
            cache.evictEntityRegions();
        } else if(entityIdsEmpty) {
            for(String entityName : entityNames) {
                cache.evictEntityRegion(entityName);
            }
        } else {
            for(String entityName : entityNames) {
                for(Serializable entityId : entityIds) {
                    cache.evictEntity(entityName, entityId);
                }
            }
        }


        return "操作成功";

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        boolean collectionRoleNamesEmpty = ArrayUtils.isEmpty(collectionRoleNames);
        boolean collectionEntityIdsEmpty = ArrayUtils.isEmpty(collectionEntityIds);


        Cache cache = HibernateUtils.getCache(em);


        if(collectionRoleNamesEmpty && collectionEntityIdsEmpty) {
            cache.evictEntityRegions();
        } else if(collectionEntityIdsEmpty) {
            for(String collectionRoleName : collectionRoleNames) {
                cache.evictCollectionRegion(collectionRoleName);
            }
        } else {
            for(String collectionRoleName : collectionRoleNames) {
                for(Serializable collectionEntityId : collectionEntityIds) {
                    cache.evictCollection(collectionRoleName, collectionEntityIds);
                }
            }
        }


        return "操作成功";

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            @RequestParam(value = "queries", required = false) String[] queries) {




        boolean queriesEmpty = ArrayUtils.isEmpty(queries);


        Cache cache = HibernateUtils.getCache(em);


        if(queriesEmpty) {
            cache.evictQueryRegions();
            cache.evictDefaultQueryRegion();
        } else {
            for(String query : queries) {
                cache.evictQueryRegion(query);
            }
        }


        return "操作成功";
    }

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        int evictedEntities = 0;
        int evictedCollections = 0;
        
        final Session session = getEntityManager().unwrap(Session.class);
        final SessionFactory sessionFactory = session.getSessionFactory();
        final Cache cache = sessionFactory.getCache();
        
        
        for (final Entry<Class<?>, Collection<Serializable>> evictedEntityEntry : entitiesToEvict.entrySet()) {
            final Class<?> entityClass = evictedEntityEntry.getKey();
            final List<String> collectionRoles = getCollectionRoles(sessionFactory, entityClass);
            
            for (final Serializable id : evictedEntityEntry.getValue()) {
                cache.evictEntity(entityClass, id);
                evictedEntities++;
                
                for (final String collectionRole : collectionRoles) {
                    cache.evictCollection(collectionRole, id);
                    evictedCollections++;
                }
            }
        }

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        final String serverName = this.portalInfoProvider.getUniqueServerName();
        final String previousServerName = eventAggregatorStatus.getServerName();
        if (previousServerName != null && !serverName.equals(previousServerName)) {
            this.logger.debug("Last aggregation run on {} clearing all aggregation caches", previousServerName);
            final Session session = getEntityManager().unwrap(Session.class);
            final Cache cache = session.getSessionFactory().getCache();
            cache.evictEntityRegions();
        }
        
        eventAggregatorStatus.setServerName(serverName);
        
        //Calculate date range for aggregation

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