Example #1
0
        /// <summary>
        /// Gets an object from cache or delegates creating one.
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="builder"></param>
        /// <param name="cacheKey"></param>
        /// <returns></returns>
        private static T GetFromCacheOrCreate <T>(Func <T> builder, string cacheKey) where T : class
        {
            if (Cache.Contains(cacheKey))
            {
                return((T)Cache[cacheKey]);
            }

            Log.Debug("Creating cached object: {0}.", cacheKey);

            T obj;

            try
            {
                obj = builder.Invoke();

                lock (obj) // add object to cache
                {
                    Cache.Add(cacheKey, obj, new CacheItemPolicy());
                }
            }
            catch (Exception ex) // just log and rethrow
            {
                Log.Error("Error creating {0}: {1}.", cacheKey, ex);

                throw;
            }

            return(obj);
        }
    /// <summary>
    /// Insert value into the cache using
    /// appropriate name/value pairs
    /// </summary>
    /// <typeparam name="T">Type of cached item</typeparam>
    /// <param name="objectToCache">Item to be cached</param>
    /// <param name="key">Name of item</param>
    /// <param name="cacheTimeFrame">Time Frame</param>
    /// <param name="cacheTime">Time</param>
    public static void Add <T>(T objectToCache, string key, EnumCacheTimeFrame cacheTimeFrame = EnumCacheTimeFrame.AddDays, double cacheTime = 1) where T : class
    {
        var cacheDateTime = DateTime.Now;

        switch (cacheTimeFrame)
        {
        case EnumCacheTimeFrame.AddSeconds:
            cacheDateTime = DateTime.Now.AddSeconds(cacheTime);
            break;

        case EnumCacheTimeFrame.AddMinutes:
            cacheDateTime = DateTime.Now.AddMinutes(cacheTime);
            break;

        case EnumCacheTimeFrame.AddHours:
            cacheDateTime = DateTime.Now.AddHours(cacheTime);
            break;

        case EnumCacheTimeFrame.AddDays:
            cacheDateTime = DateTime.Now.AddDays(cacheTime);
            break;
        }

        Cache.Add(key, objectToCache, cacheDateTime);
    }
        //public QueueMonitorOptionProvider(IQueueMonitorOption option)
        //{
        //    _option = option;
        //}
        //public QueueMonitorOptionProvider():this(new LocalJsonQueueMonitorOption())
        //{

        //}

        /// <summary>
        /// 获取监控配置
        /// </summary>
        /// <param name="queueName"></param>
        /// <returns></returns>
        public static QueueMonitorOption GetOption(string queueName)
        {
            lock (lockObj)
            {
                try
                {
                    queueName = queueName.Substring(queueName.LastIndexOf("\\") + 1);
                    Dictionary <string, QueueMonitorOption> dics = new Dictionary <string, QueueMonitorOption>();
                    if (!cache.Contains(cacheKey))  //内存字典没值或缓存没有
                    {
                        //缓存处理
                        dics = _option.LoadOption();
                        if (dics.Count > 0)
                        {
                            cache.Add(cacheKey, dics, DateTimeOffset.Now.AddSeconds(int.Parse(ConfigurationManager.AppSettings["OptionCacheInterval"])));
                        }
                    }
                    else
                    {
                        dics = (Dictionary <string, QueueMonitorOption>)cache[cacheKey];
                    }
                    if (dics.ContainsKey(queueName))
                    {
                        return(dics[queueName]);
                    }
                    return(GetDefault(queueName));
                }
                catch (Exception ex)
                {
                    log.Error("获取队列监控配置异常(" + queueName + "):" + ex.Message, ex);
                    return(GetDefault(queueName));
                }
            }
        }
Example #4
0
        private void btn_login_Click(object sender, EventArgs e)
        {
            using (var ctx = new db_dataEntities())
            {
                var username = this.txtusername.Text;
                var password = this.txtpassword.Text;

                var getUser = ctx.tbl_user.Where(o => o.username == username && o.password == password).FirstOrDefault();

                if (getUser != null)
                {
                    ObjectCache     cache           = MemoryCache.Default;
                    CacheItemPolicy cacheItemPolicy = new CacheItemPolicy();
                    cache.Add("userLogin", getUser, cacheItemPolicy);

                    this.Hide();

                    menu_admin frm2 = new menu_admin();
                    frm2.Show();
                }
                else
                {
                    MessageBox.Show("please check username and password");
                    this.txtusername.Text = "";
                    this.txtpassword.Text = "";
                }
            }
        }
        /// <summary>
        ///     Adds an item.
        /// </summary>
        /// <param name="key"></param>
        /// <param name="data"></param>
        /// <param name="timeout"></param>
        /// <returns></returns>
        public bool AddItem(string key, object data, int timeout = 30)
        {
            if (key is null)
            {
                throw new ArgumentNullException(nameof(key));
            }

            if (data is null)
            {
                throw new ArgumentNullException(nameof(data));
            }

            bool result;

            if (string.IsNullOrWhiteSpace(key))
            {
                result = false;
            }

            else if (string.IsNullOrWhiteSpace(data.ToString()))
            {
                result = false;
            }

            else
            {
                var cip = new CacheItemPolicy {
                    AbsoluteExpiration = DateTime.Now.AddMinutes(timeout)
                };

                result = _data.Add(new CacheItem(key, data), cip);
            }

            return(result);
        }
Example #6
0
        private async Task <IEnumerable <Topendata> > RetriveHotSpotData(string cacheName)
        {
            string targetURI = "https://gis.taiwan.net.tw/XMLReleaseALL_public/activity_C_f.json";

            HttpClient client = new HttpClient();

            client.MaxResponseContentBufferSize = Int32.MaxValue;
            var response = await client.GetStringAsync(targetURI);

            JavaScriptSerializer serializer = new JavaScriptSerializer();
            Topendata_T          json       = serializer.Deserialize <Topendata_T>(response);

            Topendata[] collection = json.XML_Head.Infos.Info;

            //var collection = JsonConvert.DeserializeObject<IEnumerable<Topendata>>(response);
            CacheItemPolicy policy = new CacheItemPolicy();

            policy.AbsoluteExpiration = DateTime.Now.AddMinutes(10);

            ObjectCache cacheItem = MemoryCache.Default;

            cacheItem.Add(cacheName, collection, policy);

            return(collection);
        }
Example #7
0
        protected override bool AreDeepEqual(object a, object b)
        {
            ObjectCache.Add(a, b);

            var properties = PropertyCache.GetPropertyInfos(a.GetType(), DeepComparisonOptions.PropertyComparison);

            return(properties.All(property =>
            {
                var valueA = property.GetValue(a);
                var valueB = property.GetValue(b);

                var isACircular = CircularReferenceMonitor.AddReference(a, valueA);
                var isBCircular = CircularReferenceMonitor.AddReference(b, valueB);

                if (isACircular && isBCircular)
                {
                    return ObjectCache.TryGet(valueA, out var originalB) && ReferenceEquals(originalB, valueB);
                }
                if (isACircular || isBCircular)
                {
                    return false;
                }

                return DeepComparisonService.AreDeepEqual(valueA, valueB, DeepComparisonOptions);
            }));
        }
Example #8
0
        public EnumDef Find(Guid id)
        {
            var cached = EnumDefCache.Find(id);

            if (cached != null)
            {
                return(Clone(cached.CachedObject));
            }

            var dbEnumDef = DataContext.GetEntityDataContext().Entities.Object_Defs.OfType <Enum_Def>().FirstOrDefault(e => e.Id == id);

            if (dbEnumDef == null)
            {
                return(null);
            }

            var enumDef = new EnumDef
            {
                Id          = dbEnumDef.Id,
                Caption     = dbEnumDef.Full_Name,
                Description = dbEnumDef.Description,
                Name        = dbEnumDef.Name,
                EnumItems   = new List <EnumValue>(LoadEnumItems(id))
            };

            EnumDefCache.Add(enumDef, id);

            return(Clone(enumDef));
        }
Example #9
0
        public bool Add(string key, IEnumerable <T> value)
        {
            CacheItemPolicy policy = new CacheItemPolicy();

            policy.AbsoluteExpiration = DateTimeOffset.Now.Add(cacheDuration);
            return(cache.Add(key, value, policy));
        }
Example #10
0
        public IEnumerable <IAsset> Process(IEnumerable <IAsset> assets)
        {
            var key = string.Join("_", assets.Select(a => a.GetHashCode().ToString(CultureInfo.InvariantCulture)));

            if (_cache.Contains(key))
            {
                return(_cache[key] as IEnumerable <IAsset>);
            }

            var results = assets.Where(a => !a.IsProcessable).ToList();

            foreach (IAsset asset in assets.Where(a => a.IsProcessable))
            {
                string newContent = asset.Reader.Content;
                if (asset is CssAsset && string.IsNullOrEmpty(newContent) == false)
                {
                    newContent = Yahoo.Yui.Compressor.CssCompressor.Compress(newContent);
                }
                else
                {
                    newContent = Yahoo.Yui.Compressor.JavaScriptCompressor.Compress(newContent, true, true, false, false, -1, Encoding, CultureInfo);
                }

                asset.Reader = new MemoryAssetReader(asset.Reader.AssociatedFilePaths, newContent);
                results.Add(asset);
            }

            _cache.Add(key, results, new DateTimeOffset(DateTime.Now.AddDays(1)));

            return(results);
        }
Example #11
0
 public void Add(string key, object itemToCache, int cacheTime)
 {
     if (itemToCache != null)
     {
         _cache.Add(key, itemToCache, DateTime.Now.AddMinutes(cacheTime));
     }
 }
Example #12
0
        public ImageResult SearchImages(ImageSearchParams param)
        {
            ObjectCache cache = MemoryCache.Default;
            string      key   = $"{param.Query}.{param.Offset}.{param.OffsetGroups}";

            var cacheImages = cache.Get(key) as ImageResult;

            if (cacheImages == null)
            {
                var             qualityImages = _pixabayApi.SearchImages(param);
                CacheItemPolicy policy        = new CacheItemPolicy()
                {
                    SlidingExpiration = TimeSpan.FromMinutes(30)
                };
                if (qualityImages?.TotalCount > 500)
                {
                    cache.Add(key, qualityImages, policy);
                    return(qualityImages);
                }

                else
                {
                    var vkImages = _vkApi.SearchImages(param);
                    while (vkImages == null)
                    {
                        param.OffsetGroups += 4;
                        IncrementGroupOffset(param.OffsetGroups);
                        vkImages = _vkApi.SearchImages(param);
                    }

                    return(VkImages(param.OffsetGroups, cache, key, policy, vkImages));
                }
            }
            return(cacheImages);
        }
Example #13
0
        /// <summary>
        /// Almacena un objeto en caché especificando una duración en segundos
        /// </summary>
        /// <param name="nombreCache"></param>
        /// <param name="datos"></param>
        /// <param name="segundos"></param>
        /// <returns></returns>
        public static bool Add(string nombreCache, object datos, long segundos)
        {
            bool sw = false;

            try
            {
                ObjectCache cache = MemoryCache.Default;

                if (cache.Contains(nombreCache))
                {
                    // La caché ya existe, la eliminamos primero
                    ILogger log = LogFactory.GetLogger(typeof(CacheData));
                    log.Warning("Add({0}, obj, {1}). Esta caché ya existía. Reemplazando.", nombreCache, segundos);

                    cache.Remove(nombreCache);
                }

                var politicaDuracion = new CacheItemPolicy();
                politicaDuracion.AbsoluteExpiration = new DateTimeOffset(DateTime.Now.AddSeconds(segundos));

                if (datos != null)
                {
                    sw = cache.Add(nombreCache, datos, politicaDuracion);
                }
            }
            catch (Exception e)
            {
                ILogger log = LogFactory.GetLogger(typeof(CacheData));
                log.Error("Add()", e);
            }
            return(sw);
        }
Example #14
0
        public HttpResponseMessage GetCandidates()
        {
            using (CandidateProfileDBContext candidateProfileDBContext = new CandidateProfileDBContext())
            {
                //var candidates = candidateProfileDBContext.Candidates.ToList();
                //return candidates;

                ObjectCache cache = MemoryCache.Default;

                //caching enabled for fast data access
                if (cache.Contains(Cache_Key_Candidates))
                {
                    return(Request.CreateResponse(HttpStatusCode.OK, cache.Get(Cache_Key_Candidates)));
                }
                else
                {
                    var candidates = candidateProfileDBContext.Candidates.Select(c => new { c.CandidateId, c.FullName, c.DOB, c.Domain, c.ProfileDocument.DocumentName }).OrderBy(c => c.FullName).ToList();

                    // Store data in the cache
                    CacheItemPolicy cacheItemPolicy = new CacheItemPolicy();
                    cacheItemPolicy.AbsoluteExpiration = DateTime.Now.AddHours(2.0);
                    cache.Add(Cache_Key_Candidates, candidates, cacheItemPolicy);

                    return(Request.CreateResponse(HttpStatusCode.OK, candidates));
                }
            }
        }
Example #15
0
        public IEnumerable GetAvailableProducts(string currentUser)
        {
            try
            {
                ObjectCache cache = MemoryCache.Default;
                if (cache.Contains(cacheKey))
                {
                    return((IEnumerable)cache.Get(cacheKey));
                }
                else
                {
                    IProduct    productBO       = new ProductBO(currentUser);
                    IEnumerable availableStocks = productBO.GetAllProducts();// this.GetDefaultStocks();

                    // Store data in the cache
                    CacheItemPolicy cacheItemPolicy = new CacheItemPolicy();
                    cacheItemPolicy.AbsoluteExpiration = DateTime.Now.AddHours(6);
                    cache.Add(cacheKey, availableStocks, cacheItemPolicy);

                    return(availableStocks);
                }
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message);
            }
        }
Example #16
0
        /// <summary>
        /// Sets the cache
        /// </summary>
        /// <param name="name">key to lookup value in the future</param>
        /// <param name="value">value to remember</param>
        /// <param name="minutesFromNow">Number of minutes to cache the value</param>
        public static void Set(string name, object value, double minutesFromNow = 10)
        {
            CacheItemPolicy policy = new CacheItemPolicy();

            policy.AbsoluteExpiration = DateTimeOffset.Now.AddMinutes(minutesFromNow);
            cache.Add(name, value, policy);
        }
Example #17
0
        /// <summary>
        /// 取得可以被Cache的資料(注意:非Thread-Safe)
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="key">Cache保存號碼牌</param>
        /// <param name="callback">傳回查詢資料的函數</param>
        /// <param name="cacheMins"></param>
        /// <param name="forceRefresh">是否清除Cache,重新查詢</param>
        /// <returns></returns>
        public static T GetCachableData <T>(string key, Func <T> callback,
                                            int cacheMins, bool forceRefresh = false) where T : class
        {
            ObjectCache cache    = MemoryCache.Default;
            string      cacheKey = key;

            T res = cache[cacheKey] as T;

            //是否清除Cache,強制重查
            if (res != null && forceRefresh)
            {
                cache.Remove(cacheKey);
                res = null;
            }
            if (res == null)
            {
                res = callback();
                cache.Add(cacheKey, res,
                          new CacheItemPolicy()
                {
                    SlidingExpiration = new TimeSpan(0, cacheMins, 0)
                });
            }
            return(res);
        }
Example #18
0
        internal SelectList GetSelectList(bool refresh = false)
        {
            ObjectCache cache = MemoryCache.Default;

            var list = (SelectList)cache["PvgMemberSelectList"];

            if (refresh || list == null)
            {
                var items = Search("")
                            .Select(s => new
                {
                    Text  = s.FirstName + " " + s.LastName,
                    Value = s.Id
                })
                            .ToList();
                list = new SelectList(items, "Value", "Text");

                if (refresh)
                {
                    cache.Remove("PvgMemberSelectList");
                }
                cache.Add("PvgMemberSelectList", list, new CacheItemPolicy {
                    Priority = CacheItemPriority.NotRemovable
                });
            }

            return(list);
        }
Example #19
0
        public void RefreshCache(string city)
        {
            if (!cache.Contains(city))
            {
                WebRequest request = WebRequest.Create(
                    "https://api.jcdecaux.com/vls/v1/stations?contract=" + city + "&apiKey=133d203b9097bbbd95dd05214669a8219913166f");
                WebResponse  response           = request.GetResponse();
                Stream       dataStream         = response.GetResponseStream();
                StreamReader reader             = new StreamReader(dataStream);
                string       responseFromServer = reader.ReadToEnd();
                reader.Close();
                response.Close();
                stations = JsonConvert.DeserializeObject <Station[]>(responseFromServer);

                CacheItemPolicy policy = new CacheItemPolicy();
                policy.AbsoluteExpiration = DateTimeOffset.Now.AddSeconds(cache_timer);
                CacheItem item = new CacheItem(city, stations);
                cache.Add(item, policy);

                numb_request++;
            }
            else
            {
                stations = (Station[])cache.Get(city);
                numb_cache_request++;
            }
        }
Example #20
0
        public override CacheModificationResult AddOrChange <T>(CacheKey key, CacheValueOf <T> cacheObject)
        {
            using (new WriteLockDisposable(ThreadLocker))
            {
                var exists          = _memoryCache.GetCacheItem(key) != null;
                var cacheItemPolicy = cacheObject.Policy.ToCacheItemPolicy();

                var entryDate    = DateTime.Now;
                var policyExpiry = cacheItemPolicy.AbsoluteExpiration.Subtract(entryDate);
                cacheItemPolicy.RemovedCallback +=
                    arguments =>
                    LogHelper.TraceIfEnabled(
                        GetType(),
                        "Item was removed from cache ({0}). Policy had {1}s to run when entered at {2}. Key: {3}",
                        () => arguments.RemovedReason.ToString(),
                        () => policyExpiry.TotalSeconds.ToString(),
                        () => entryDate.ToString(),
                        () => key);

                _keyTracker.AddOrUpdate(key, key, (existingKey, existingValue) => key);
                if (exists)
                {
                    LogHelper.TraceIfEnabled(GetType(), "Updating item with {0} left to run", () => policyExpiry.TotalSeconds.ToString());
                    _memoryCache.Set(key, cacheObject, cacheItemPolicy);
                    return(new CacheModificationResult(true, false));
                }
                var diff = cacheObject.Policy.GetExpiryDate().Subtract(DateTimeOffset.Now);
                LogHelper.TraceIfEnabled(GetType(), "Adding item with {0} left to run", () => policyExpiry.TotalSeconds.ToString());
                _memoryCache.Add(key, cacheObject, cacheItemPolicy);
            }
            return(new CacheModificationResult(false, true));
        }
        public static UserViewModel getCanvasUser()
        {
            ObjectCache objCache = MemoryCache.Default;

            if (objCache.Contains(UserViewModel.CACHE_CANVAS_USER))
            {
                return((UserViewModel)objCache.Get(UserViewModel.CACHE_CANVAS_USER));
            }

            UserViewModel canvasUserVM = new UserViewModel(UserViewModel.MODE_CANVAS);
            UserView      userView     = new UserView();

            userView.DataContext = canvasUserVM;
            bool?userResult = userView.ShowDialog();

            //RT - The box may have been cancelled
            if (userResult != true)
            {
                return(null);
            }

            //Add the item to the cache.  We don't know if the username and password are correct.
            CacheItemPolicy policy = new CacheItemPolicy();

            policy.AbsoluteExpiration = DateTimeOffset.Now.AddMinutes(5);

            objCache.Add(UserViewModel.CACHE_CANVAS_USER, canvasUserVM, policy);

            return(canvasUserVM);
        }
Example #22
0
        /// <summary>
        /// Gets the label contents.
        /// </summary>
        /// <param name="labelFile">The label file.</param>
        /// <returns></returns>
        private string GetLabelContents(string labelFile)
        {
            string labelContents = string.Empty;

            if (cache.Contains(labelFile))
            {
                //get an item from the cache
                labelContents = cache.Get(labelFile).ToString();
            }
            else
            {
                // get label from site
                using (WebClient client = new WebClient())
                {
                    labelContents = client.DownloadString(labelFile);
                }

                var rockConfig = RockConfig.Load();

                CacheItemPolicy cachePolicy = new CacheItemPolicy();
                cachePolicy.AbsoluteExpiration = new DateTimeOffset(DateTime.Now.AddSeconds(rockConfig.CacheLabelDuration));
                //add an item to the cache
                cache.Add(labelFile, labelContents, cachePolicy);
            }

            return(labelContents);
        }
Example #23
0
        private async Task <IEnumerable <ShulinParkingLotVM> > RetriveShulinParkingLotData(string cacheName)
        {
            string targetURI = "http://data.ntpc.gov.tw/api/v1/rest/datastore/382000000A-G00218-002";

            HttpClient client = new HttpClient();

            client.MaxResponseContentBufferSize = Int32.MaxValue;
            var response = await client.GetStringAsync(targetURI);

            JObject resultJO = JObject.Parse(response);

            // get JSON result objects into a list
            string results = resultJO["result"]["records"].ToString();

            IEnumerable <ShulinParkingLotVM> collection = JsonConvert.DeserializeObject <IEnumerable <ShulinParkingLotVM> >(results);

            CacheItemPolicy policy = new CacheItemPolicy();

            policy.AbsoluteExpiration = DateTime.Now.AddMinutes(30);

            ObjectCache cacheItem = MemoryCache.Default;

            cacheItem.Add(cacheName, collection, policy);

            return(collection);
        }
        public static LatLong PlaceOrZipToLatLong(string placeOrZip)
        {
            ObjectCache cache = MemoryCache.Default;

            string url = "http://ws.geonames.org/postalCodeSearch?{0}={1}&maxRows=1&style=SHORT";

            url = String.Format(url, placeOrZip.IsNumeric() ? "postalcode" : "placename", placeOrZip);

            var result = cache[placeOrZip] as XDocument;

            if (result == null)
            {
                result = XDocument.Load(url);
                cache.Add(placeOrZip, result,
                          new CacheItemPolicy()
                {
                    SlidingExpiration = TimeSpan.FromDays(1)
                });
            }

            if (result.Descendants("code").Any())
            {
                var ll = (from x in result.Descendants("code")
                          select new LatLong
                {
                    Lat = (float)x.Element("lat"),
                    Long = (float)x.Element("lng")
                })
                         .First();
                return(ll);
            }
            return(null);
        }
Example #25
0
        public bool AddOnlineUser(string email)
        {
            try
            {
                ObjectCache   cache = MemoryCache.Default;
                List <string> users = cache["users"] as List <string>;
                if (users == null)
                {
                    users = new List <string>();
                }

                if (!users.Contains(email))
                {
                    users.Add(email);
                }

                cache.Add("users", users, DateTime.Now.AddHours(1));

                return(true);
            }
            catch
            {
                return(false);
            }
        }
Example #26
0
        /// <summary>
        /// 取得可以被Cache的資料(注意:非Thread-Safe)
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="key">Cache保存號碼牌</param>
        /// <param name="callback">傳回查詢資料的函數</param>
        /// <param name="absExpire">有效期限</param>
        /// <param name="forceRefresh">是否清除Cache,重新查詢</param>
        /// <returns></returns>
        public static T GetCachableData <T>(string key, Func <T> callback,
                                            DateTimeOffset absExpire, bool forceRefresh = false) where T : class
        {
            ObjectCache cache    = MemoryCache.Default;
            string      cacheKey = key;

            //取得每個Key專屬的鎖定對象
            lock (GetAsyncLock(key))
            {
                T res = cache[cacheKey] as T;
                //是否清除Cache,強制重查
                if (res != null && forceRefresh)
                {
                    cache.Remove(cacheKey);
                    res = null;
                }
                if (res == null)
                {
                    res = callback();
                    cache.Add(cacheKey, res, new CacheItemPolicy()
                    {
                        AbsoluteExpiration = absExpire
                    });
                }
                return(res);
            }
        }
Example #27
0
        public T this[string name]
        {
            get
            {  //Get the default MemoryCache to cache objects in memory
                ObjectCache cache = MemoryCache.Default;
                object      data  = cache.Get(name);
                if (data != null)
                {
                    return((T)data);
                }
                return(default(T));
            }
            set
            {
                //Get the default MemoryCache to cache objects in memory
                ObjectCache cache = MemoryCache.Default;

                //Create a custom Timeout of 10 seconds
                CacheItemPolicy policy = new CacheItemPolicy();
                policy.AbsoluteExpiration = DateTimeOffset.MaxValue;

                //Get data from the database and write them to the result

                //add the object to the cache
                cache.Add(name, value, policy);
            }
        }
Example #28
0
        public void Add(string key, LazyLock item, ICacheDetails cacheDetails)
        {
            var policy = new CacheItemPolicy();

            // Set timeout
            policy.Priority = CacheItemPriority.NotRemovable;
            if (IsTimespanSet(cacheDetails.AbsoluteCacheExpiration))
            {
                policy.AbsoluteExpiration = DateTimeOffset.Now.Add(cacheDetails.AbsoluteCacheExpiration);
            }
            else if (IsTimespanSet(cacheDetails.SlidingCacheExpiration))
            {
                policy.SlidingExpiration = cacheDetails.SlidingCacheExpiration;
            }

            // Add dependencies
            var dependencies = (IList <ChangeMonitor>)cacheDetails.CacheDependency.Dependency;

            if (dependencies != null)
            {
                foreach (var dependency in dependencies)
                {
                    policy.ChangeMonitors.Add(dependency);
                }
            }

            // Setting priority to not removable ensures an
            // app pool recycle doesn't unload the item, but a timeout will.
            policy.Priority = CacheItemPriority.NotRemovable;

            // Setup callback
            policy.RemovedCallback = CacheItemRemoved;

            cache.Add(key, item, policy);
        }
Example #29
0
        public Task <bool> AddNewPlayer(Player player)
        {
            try
            {
                List <Player>   players = new List <Player>();
                CacheItemPolicy policy  = new CacheItemPolicy
                {
                    AbsoluteExpiration = DateTime.Now.AddDays(30)
                };

                if (_cache.Contains(_cacheKey))
                {
                    players = (List <Player>)_cache.Get(_cacheKey);
                    players.Add(player);
                    _cache.Set(_cacheKey, players, policy);
                    return(Task.FromResult(true));
                }
                else
                {
                    players.Add(player);
                    _cache.Add(_cacheKey, players, policy);
                    return(Task.FromResult(true));
                }
            }
            catch (Exception e)
            {
                return(Task.FromResult(false));
            }
        }
 public virtual void AddData(string key, object data)
 {
     if (!_cache.Contains(key))
     {
         _cache.Add(key, data, ExpirationPolicy);
     }
 }
        public void AddTest()
        {
            ObjectCache target = new ObjectCache(_DOFactory);

            var tempSale = new SaleDO { rowID = 1 };

            Assert.Equal(true, target.Add(tempSale, ObjectCache.AddBehavior.DONT_OVERWRITE));
            tempSale = new SaleDO { rowID = 1 };
            Assert.Equal(false, target.Add(tempSale, ObjectCache.AddBehavior.DONT_OVERWRITE));
            tempSale = new SaleDO { rowID = 1 };
            Assert.Equal(true, target.Add(tempSale, ObjectCache.AddBehavior.OVERWRITE));
            tempSale = new SaleDO { rowID = 1 };
            try
            {
                target.Add(tempSale, ObjectCache.AddBehavior.THROWEXCEPTION);
                Assert.True(false);
            }
            catch (Exception e)
            {
                //TODO proper exception type not defined, for AddBehavior.THROW_EXCEPTION
            }
        }
        public void CountTest()
        {
            DataObjectFactory DOFactory = new DataObjectFactory(_DAL);
            ObjectCache target = new ObjectCache(DOFactory);

            target.GetByID<SaleDO>(1);

            Assert.Equal(1, target.Count);

            var tempSale = new SaleDO { rowID = 2 };
            target.Add( tempSale, ObjectCache.AddBehavior.THROWEXCEPTION);

            Assert.Equal(2, target.Count);

            target.Remove(tempSale);

            Assert.Equal(1, target.Count);

            //target.Clear();

            //Assert.AreEqual(0, target.Count);
        }
 private void SetCache(ObjectCache cache, string key, object value, CacheItemPolicy policy)
 {
     cache.Add(key, value, policy);
     CurrentCacheKeys.Add(key);
 }