Beispiel #1
0
        internal static TEntity GetEntity <TEntity>(DbContext dbContext, Expression <Func <TEntity, bool> > filter, Func <TEntity> func) where TEntity : class
        {
            //1.判断是否在二级TableCache,如果没有,则进行二级缓存初始化逻辑
            var result = TableCacheManager.GetEntitiesFromCache(dbContext, filter)?.FirstOrDefault();

            //2.判断是否在一级QueryCahe中
            if (result == null)
            {
                result = QueryCacheManager.GetEntitiesFromCache <TEntity>(dbContext);
            }

            //3.如果都没有,则直接从逻辑中获取
            if (result == null)
            {
                result = func();
                dbContext.IsFromCache = false;
                //4.Query缓存存储逻辑(内涵缓存开启校验)
                QueryCacheManager.CacheData(dbContext, result);
            }

            return(result);
        }
Beispiel #2
0
        internal static List <TEntity> GetEntities <TEntity>(DbContext dbContext, Expression <Func <TEntity, bool> > filter, Func <List <TEntity> > func) where TEntity : class
        {
            //1.判断是否在二级TableCache,如果没有,则进行二级缓存初始化逻辑
            var entities = TableCacheManager.GetEntitiesFromCache(dbContext, filter);

            //2.判断是否在一级QueryCahe中
            if (entities == null || !entities.Any())
            {
                entities = QueryCacheManager.GetEntitiesFromCache <List <TEntity> >(dbContext);
            }

            //3.如果都没有,则直接从逻辑中获取
            if (entities == null || !entities.Any())
            {
                entities = func();
                dbContext.IsFromCache = false;
                //4.Query缓存存储逻辑(内涵缓存开启校验)
                QueryCacheManager.CacheData(dbContext, entities);
            }

            return(entities);
        }