Exemplo n.º 1
0
 public DataWrapper(ClassDefineMetadata metadata, IEnumerable ids)
 {
     Metadata = metadata;
     Datas    = ids.Cast <object>().Select(o => new DataItem()
     {
         Id = o, Key = metadata.GetCacheKeyById(o)
     }).ToList();
 }
        public void Process(IInvocation invocation, ClassDefineMetadata metadata)
        {
            if (metadata == null)
            {
                throw new ArgumentNullException("metadata");
            }

            if (metadata.IsCacheable)
            {
                var    cacheKey = metadata.GetCacheKeyById(invocation.Arguments[1]);
                ICache cache    = RepositoryFramework.GetCacher(metadata);
                //CacheData value = cache.Get(cacheKey);
                var value = cache.Get(metadata.EntityType, cacheKey);
                if (value == null)
                {
                    // 调用源接口,并将结果写入缓存
                    using (MonitorContext.Repository(invocation.Method))
                        invocation.Proceed();

                    var entity = invocation.ReturnValue;
                    if (entity != null)
                    {
                        cache.Set(cacheKey, metadata.CloneEntity(entity));
                    }

                    if (ProfilerContext.Current.Enabled)
                    {
                        ProfilerContext.Current.Trace("platform", String.Format("missing get{1}\r\n{0}", cacheKey, entity == null ? " for null" : ""));
                    }
                }
                else
                {
                    //if (ProfilerContext.Current.Enabled)
                    //    ProfilerContext.Current.Trace("platform", String.Format("hit get\r\n{0}", cacheKey));
                    //invocation.ReturnValue = value.Convert(metadata.EntityType);
                    using (MonitorContext.Repository(invocation.Method, true))
                    {
                    }
                    invocation.ReturnValue = value;
                }
            }
            else
            {
                using (MonitorContext.Repository(invocation.Method))
                    invocation.Proceed();
            }
        }
        public void Process(IInvocation invocation, ClassDefineMetadata metadata)
        {
            if (metadata == null)
            {
                throw new ArgumentNullException("metadata");
            }

            if (metadata.IsCacheable)
            {
                IEnumerable ids = (IEnumerable)invocation.Arguments[1];

                var cache = RepositoryFramework.GetCacher(metadata);

                var idKeys = ids.Cast <object>().Distinct().Select(o => new IdKey(o, metadata.GetCacheKeyById(o)));

                //访问缓存并获取不在缓存中的 CacheKey
                IEnumerable <string> missing;
                //var cacheItems = cache.GetBatch<CacheData>(idKeys.Select(o => o.Key), out missing).Select(o => o.Convert(metadata.EntityType)).ToList();
                var cacheItems = cache.GetBatch(metadata.EntityType, idKeys.Select(o => o.Key), out missing).Cast <object>().ToList();

                if (missing.Count() > 0)
                {
                    var missIds = missing.Select(o => idKeys.First(ik => ik.Key == o).Id);
                    invocation.SetArgumentValue(1, missIds);

                    using (MonitorContext.Repository(invocation.Method))
                        invocation.Proceed();

                    var sourceItems = ((IEnumerable)invocation.ReturnValue).Cast <object>();

                    cacheItems.AddRange(sourceItems);

                    if (sourceItems.Count() > 0)
                    {
                        //加入缓存
                        cache.SetBatch(sourceItems.Select(o => new CacheItem <object>(metadata.GetCacheKey(o), metadata.CloneEntity(o))), 1200);
                    }
                    else
                    {
                        if (ProfilerContext.Current.Enabled)
                        {
                            ProfilerContext.Current.Trace("platform", String.Format("missing get list for null\r\n{0}", String.Join(",", missing)));
                        }
                    }
                }
                else
                {
                    using (MonitorContext.Repository(invocation.Method, true))
                    {
                    }
                }

                var ta       = TypeAccessor.GetAccessor(metadata.EntityType);
                var idGetter = ta.GetPropertyGetter(metadata.IdMember.Name);

                //按ID排序并进行类型转化
                invocation.ReturnValue = cacheItems
                                         .OrderBy(entity => idGetter(entity), ids.Cast <object>())
                                         .Cast(metadata.EntityType);

                //按ID排序并进行类型转化
                invocation.ReturnValue = cacheItems
                                         .OrderBy(entity => idGetter(entity), ids.Cast <object>())
                                         .Cast(metadata.EntityType);
            }
            else
            {
                using (MonitorContext.Repository(invocation.Method))
                    invocation.Proceed();
            }
        }