如何使用CachePut更新缓存？

Question

我的@cacheable方法有下一个签名：

@Component
public class UpcomingFilter implements Filter<Entity> {

    @Cacheable(value = {"upcoming"})
    @Override
    public List<Entity> filter(int limit) {
       //retrieve from repository
    }
}

该过滤器使用reporisoty，以limit作为分页参数，返回实体列表。我正在尝试在向系统添加实体时更新缓存：

@CachePut(value={"upcoming", "popular", "recentlyAdded", "recommendations", "thisWeek", "topRated"})
    public Entity addEntity(RequestDto dto, User user) {
        //do work, create and save entity to repository
        return entity;
    }

@Cacheable(key="#entity.id") 

@CachePut(value={"upcoming","popular", "recentlyAdded", "recommendations", "thisWeek", "topRated"},
            key = "#root.target.FILTER_KEY", condition = "#result != null")
    public Entity addEntity(RequestDto dto, User user) {
            //do work, create and save entity to repository
            return entity;
        }

public static final String FILTER_KEY = "filterKey";
@Cacheable(value = {"recentlyAdded"}, key = "#root.target.FILTER_KEY")
    @Override
    public List<Entity> filter(int limit) {

java.lang.ClassCastException：不能将com.java.domain.Entity强制转换为java.util.List

Answer 1

相反，应该使用@cacheput，@cacheevict。它对我有用：

 @CacheEvict(value={"upcoming", "popular", "recentlyAdded", "recommendations", "thisWeek", "topRated"},
            allEntries = true, condition = "#result != null")
        public Entity addEntity(RequestDto dto, User user) {
            //do work, create and save entity to repository
            return entity;
        }