/// <summary>
/// Get the specified cacheKey.
/// </summary>
/// <returns>The get.</returns>
/// <param name="cacheKey">Cache key.</param>
/// <typeparam name="T">The 1st type parameter.</typeparam>
public CacheValue <T> Get <T>(string cacheKey)
{
ArgumentCheck.NotNullOrWhiteSpace(cacheKey, nameof(cacheKey));
var cacheValue = _localCache.Get <T>(cacheKey);
if (cacheValue.HasValue)
{
return(cacheValue);
}
_logger?.LogDebug("local cache can not get the value of {0}", cacheKey);
try
{
cacheValue = _distributedCache.Get <T>(cacheKey);
}
catch (Exception ex)
{
_logger?.LogError(ex, "distributed cache get error, [{0}]", cacheKey);
}
if (cacheValue.HasValue)
{
TimeSpan ts = GetExpirationFromDistributedProvider(cacheKey);
_localCache.Set(cacheKey, cacheValue.Value, ts);
return(cacheValue);
}
_logger?.LogDebug("distributed cache can not get the value of {0}", cacheKey);
return(CacheValue <T> .NoValue);
}
/// <summary>
/// Set the specified key, entry and validFor.
/// </summary>
/// <returns>The set.</returns>
/// <param name="key">Key.</param>
/// <param name="entry">Entry.</param>
/// <param name="validFor">Valid for.</param>
public void Set(string key, IResponseCacheEntry entry, TimeSpan validFor)
{
var cachedResponse = entry as CachedResponse;
if (cachedResponse != null)
{
_provider.Set(
key,
new EasyCachingResponse
{
Created = cachedResponse.Created,
StatusCode = cachedResponse.StatusCode,
Headers = cachedResponse.Headers.ToDictionary(x => x.Key, x => x.Value.ToArray()),
Body = this.GetBytes(cachedResponse.Body)
},
validFor);
}
else
{
_provider.Set(
key,
entry,
validFor);
}
}
/// <summary>
/// Adds a new item to the cache.
/// </summary>
/// <param name="cacheKey">key</param>
/// <param name="value">value</param>
/// <param name="cachePolicy">Defines the expiration mode of the cache item.</param>
public void InsertValue(EFCacheKey cacheKey, EFCachedData value, EFCachePolicy cachePolicy)
{
_readerWriterLockProvider.TryWriteLocked(() =>
{
if (value == null)
{
value = new EFCachedData {
IsNull = true
};
}
var keyHash = cacheKey.KeyHash;
foreach (var rootCacheKey in cacheKey.CacheDependencies)
{
var items = _easyCachingProvider.Get <HashSet <string> >(rootCacheKey);
if (items.IsNull)
{
_easyCachingProvider.Set(rootCacheKey, new HashSet <string> {
keyHash
}, cachePolicy.CacheTimeout);
}
else
{
items.Value.Add(keyHash);
_easyCachingProvider.Set(rootCacheKey, items.Value, cachePolicy.CacheTimeout);
}
}
// We don't support Sliding Expiration at this time. -> https://github.com/dotnetcore/EasyCaching/issues/113
_easyCachingProvider.Set(keyHash, value, cachePolicy.CacheTimeout);
});
}
/// <summary>
/// Get the specified cacheKey.
/// </summary>
/// <returns>The get.</returns>
/// <param name="cacheKey">Cache key.</param>
/// <typeparam name="T">The 1st type parameter.</typeparam>
public CacheValue <T> Get <T>(string cacheKey)
{
ArgumentCheck.NotNullOrWhiteSpace(cacheKey, nameof(cacheKey));
var cacheValue = _localCache.Get <T>(cacheKey);
if (cacheValue.HasValue)
{
return(cacheValue);
}
if (_options.EnableLogging)
{
_logger.LogTrace($"local cache can not get the value of {cacheKey}");
}
cacheValue = _distributedCache.Get <T>(cacheKey);
if (cacheValue.HasValue)
{
//TODO: What about the value of expiration? Form configuration or others?
_localCache.Set(cacheKey, cacheValue.Value, TimeSpan.FromSeconds(60));
return(cacheValue);
}
if (_options.EnableLogging)
{
_logger.LogTrace($"distributed cache can not get the value of {cacheKey}");
}
return(CacheValue <T> .NoValue);
}
/// <summary>
/// Caches the add action.
/// </summary>
/// <param name="channel">Channel.</param>
/// <param name="value">Value.</param>
private void CacheAddAction(RedisChannel channel, RedisValue value)
{
var message = _serializer.Deserialize <EasyCachingMessage>(value);
//TODO : add local cache
_localCachingProvider.Set(message.CacheKey, message.CacheValue, message.Expiration);
}
/// <summary>
/// Proceeds the able.
/// </summary>
/// <param name="invocation">Invocation.</param>
private void ProceedAble(IInvocation invocation)
{
var serviceMethod = invocation.Method ?? invocation.MethodInvocationTarget;
if (serviceMethod.GetCustomAttributes(true).FirstOrDefault(x => x.GetType() == typeof(EasyCachingAbleAttribute)) is EasyCachingAbleAttribute attribute)
{
var cacheKey = _keyGenerator.GetCacheKey(serviceMethod, invocation.Arguments, attribute.CacheKeyPrefix);
var cacheValue = _cacheProvider.Get <object>(cacheKey);
if (cacheValue.HasValue)
{
invocation.ReturnValue = cacheValue.Value;
}
else
{
// Invoke the method if we don't have a cache hit
invocation.Proceed();
if (!string.IsNullOrWhiteSpace(cacheKey) && invocation.ReturnValue != null)
{
_cacheProvider.Set(cacheKey, invocation.ReturnValue, TimeSpan.FromSeconds(attribute.Expiration));
}
}
}
else
{
// Invoke the method if we don't have EasyCachingAbleAttribute
invocation.Proceed();
}
}
/// <summary>
/// Set the specified key, entry and validFor.
/// </summary>
/// <returns>The set.</returns>
/// <param name="key">Key.</param>
/// <param name="entry">Entry.</param>
/// <param name="validFor">Valid for.</param>
public void Set(string key, IResponseCacheEntry entry, TimeSpan validFor)
{
if (entry is CachedResponse cachedResponse)
{
var segmentStream = new SegmentWriteStream(StreamUtilities.BodySegmentSize);
cachedResponse.Body.CopyTo(segmentStream);
_provider.Set(
key,
new EasyCachingResponse
{
Created = cachedResponse.Created,
StatusCode = cachedResponse.StatusCode,
Headers = cachedResponse.Headers,
BodySegments = segmentStream.GetSegments(),
BodyLength = segmentStream.Length
},
validFor);
}
else
{
_provider.Set(
key,
entry,
validFor);
}
}
/// <summary>
/// Adds the specified key and object to the cache
/// </summary>
/// <param name="key">Key of cached item</param>
/// <param name="data">Value for caching</param>
/// <param name="cacheTime">Cache time in minutes</param>
public void Set(string key, object data, int cacheTime)
{
if (cacheTime <= 0)
return;
_provider.Set(key, data, TimeSpan.FromMinutes(cacheTime));
}
public void Bet(Bet bet)
{
var allRoulettes = this.GetAll();
var openRoulette = allRoulettes.FirstOrDefault(x => x.IsOpen);
openRoulette.Bets.Add(bet);
EasyCachingProvider.Set(Key + openRoulette.Id, openRoulette, TimeSpan.FromDays(365));
}
/// <summary>
/// 新增缓存
/// </summary>
/// <param name="key">key</param>
/// <param name="data">缓存值</param>
/// <param name="cacheTime">缓存时间（单位分钟）。如果为0则不缓存，如果为null则用默认时间</param>
public void Set(string key, object data, int?cacheTime = null)
{
if (cacheTime <= 0)
{
return;
}
_provider.Set(key, data, TimeSpan.FromMinutes(cacheTime ?? HbCrmCachingDefaults.CacheTime));
}
/// <summary>
/// Proceeds the able.
/// </summary>
/// <param name="invocation">Invocation.</param>
private void ProceedAble(IInvocation invocation)
{
var serviceMethod = invocation.Method ?? invocation.MethodInvocationTarget;
if (serviceMethod.GetCustomAttributes(true).FirstOrDefault(x => x.GetType() == typeof(EasyCachingAbleAttribute)) is EasyCachingAbleAttribute attribute)
{
var returnType = serviceMethod.IsReturnTask()
? serviceMethod.ReturnType.GetGenericArguments().First()
: serviceMethod.ReturnType;
var cacheKey = _keyGenerator.GetCacheKey(serviceMethod, invocation.Arguments, attribute.CacheKeyPrefix);
var cacheValue = (_cacheProvider.GetAsync(cacheKey, returnType)).GetAwaiter().GetResult();
if (cacheValue != null)
{
if (serviceMethod.IsReturnTask())
{
invocation.ReturnValue =
TypeofTaskResultMethod.GetOrAdd(returnType, t => typeof(Task).GetMethods().First(p => p.Name == "FromResult" && p.ContainsGenericParameters).MakeGenericMethod(returnType)).Invoke(null, new object[] { cacheValue });
}
else
{
invocation.ReturnValue = cacheValue;
}
}
else
{
// Invoke the method if we don't have a cache hit
invocation.Proceed();
if (!string.IsNullOrWhiteSpace(cacheKey) && invocation.ReturnValue != null)
{
if (serviceMethod.IsReturnTask())
{
//get the result
var returnValue = invocation.UnwrapAsyncReturnValue().Result;
_cacheProvider.Set(cacheKey, returnValue, TimeSpan.FromSeconds(attribute.Expiration));
}
else
{
_cacheProvider.Set(cacheKey, invocation.ReturnValue, TimeSpan.FromSeconds(attribute.Expiration));
}
}
}
}
else
{
// Invoke the method if we don't have EasyCachingAbleAttribute
invocation.Proceed();
}
}
public T Get <T>(string key, Func <T> acquire, int?cacheTime = null)
{
if (_provider.Exists(key))
{
return(_provider.Get <T>(key).Value);
}
if ((cacheTime ?? CachingDefaultSettings.CacheTime) > 0)
{
_provider.Set(key, acquire, TimeSpan.FromMinutes(cacheTime ?? CachingDefaultSettings.CacheTime));
}
return(acquire());
}
public void Add(string key, T value, TimeSpan ttl, string region)
{
var cacheKey = $"{region}:{key}";
if (!_options.EnableHybrid)
{
_provider.Set(cacheKey, value, ttl);
}
else
{
_hybridProvider.Set(cacheKey, value, ttl);
}
}
/// <summary>
/// Get the specified cacheKey.
/// </summary>
/// <returns>The get.</returns>
/// <param name="cacheKey">Cache key.</param>
/// <typeparam name="T">The 1st type parameter.</typeparam>
public CacheValue <T> Get <T>(string cacheKey)
{
ArgumentCheck.NotNullOrWhiteSpace(cacheKey, nameof(cacheKey));
var cacheValue = _localCache.Get <T>(cacheKey);
if (cacheValue.HasValue)
{
return(cacheValue);
}
LogMessage($"local cache can not get the value of {cacheKey}");
// Circuit Breaker may be more better
try
{
cacheValue = _distributedCache.Get <T>(cacheKey);
}
catch (Exception ex)
{
LogMessage($"distributed cache get error, [{cacheKey}]", ex);
}
if (cacheValue.HasValue)
{
TimeSpan ts = TimeSpan.Zero;
try
{
ts = _distributedCache.GetExpiration(cacheKey);
}
catch
{
}
if (ts <= TimeSpan.Zero)
{
ts = TimeSpan.FromSeconds(_options.DefaultExpirationForTtlFailed);
}
_localCache.Set(cacheKey, cacheValue.Value, ts);
return(cacheValue);
}
LogMessage($"distributed cache can not get the value of {cacheKey}");
return(CacheValue <T> .NoValue);
}
public IActionResult AddPerson(Person person)
{
if (_cachingProvider.Exists(person.Id.ToString()))
{
return(BadRequest("person with the same key already exists ..."));
}
var personJson = JsonConvert.SerializeObject(person);
_cachingProvider.Set(person.Id.ToString(), personJson, TimeSpan.FromDays(1));
Debug.WriteLine($"person added: {person}");
return(Ok(person));
}
public async Task <ActionResult <IEnumerable <string> > > Get()
{
_logger.LogInformation("正在调用接口 GET api/values ");
var client = _httpClientFactory.CreateClient("cnblogs");
var result = await client.GetStringAsync("xlgwr");
//Remove
_provider.Remove("demo");
//Set
_provider.Set("demo", result, TimeSpan.FromMinutes(1));
return(new string[] { "value1", "value2", result });
}
/// <summary>
/// 从缓存中获取数据，如果不存在，则执行获取数据操作并添加到缓存中
/// </summary>
/// <typeparam name="T">缓存数据类型</typeparam>
/// <param name="key">缓存键</param>
/// <param name="func">获取数据操作</param>
/// <param name="expiration">过期时间间隔</param>
public T Get <T>(string key, Func <T> func, TimeSpan?expiration = null)
{
if (_provider.Exists(key))
{
return(_provider.Get <T>(key).Value);
}
var value = func();
if (value == null)
{
return(default(T));
}
_provider.Set(key, value, GetExpiration(expiration));
return(value);
}
public string Get(string str)
{
var method = str.ToLower();
switch (method)
{
case "get":
var res = _provider.Get("demo", () => "456", TimeSpan.FromMinutes(1));
return($"cached value : {res}");
case "set":
_provider.Set("demo", "123", TimeSpan.FromMinutes(1));
return("seted");
case "remove":
_provider.Remove("demo");
return("removed");
case "getcount":
var count = _provider.GetCount();
return($"{count}");
default:
return("default");
}
}
/// <summary>
/// Get the specified cacheKey.
/// </summary>
/// <returns>The get.</returns>
/// <param name="cacheKey">Cache key.</param>
/// <typeparam name="T">The 1st type parameter.</typeparam>
public CacheValue <T> Get <T>(string cacheKey)
{
ArgumentCheck.NotNullOrWhiteSpace(cacheKey, nameof(cacheKey));
var cacheValue = _localCache.Get <T>(cacheKey);
if (cacheValue.HasValue)
{
return(cacheValue);
}
if (_options.EnableLogging)
{
_logger.LogTrace($"local cache can not get the value of {cacheKey}");
}
cacheValue = _distributedCache.Get <T>(cacheKey);
if (cacheValue.HasValue)
{
TimeSpan ts = TimeSpan.Zero;
try
{
ts = _distributedCache.GetExpiration(cacheKey);
}
catch
{
}
if (ts <= TimeSpan.Zero)
{
ts = TimeSpan.FromSeconds(_options.DefaultExpirationForTtlFailed);
}
_localCache.Set(cacheKey, cacheValue.Value, ts);
return(cacheValue);
}
if (_options.EnableLogging)
{
_logger.LogTrace($"distributed cache can not get the value of {cacheKey}");
}
return(CacheValue <T> .NoValue);
}
public IActionResult PutItemsInBasket(int id, Models.Basket basket)
{
basket.Id = id;
var serializedBasket = JsonConvert.SerializeObject(basket);
cachingProvider.Set("Basket_" + id, serializedBasket, TimeSpan.FromDays(15));
return(NoContent());
}
private void DeviceDiscoveredHandler(IBleAdapter sender, BleDeviceEventArgs args)
{
var device = args.Device;
var deviceId = device.Id;
var pd = new ProxiedBleDevice(sender, device);
_cachingProvider.Set(GetDeviceCacheKey(deviceId), pd, DiscoveredDeviceCachingTime);
}
/// <summary>
/// Set the specified cacheKey, cacheValue and expiration.
/// </summary>
/// <returns>The set.</returns>
/// <param name="cacheKey">Cache key.</param>
/// <param name="cacheValue">Cache value.</param>
/// <param name="expiration">Expiration.</param>
/// <typeparam name="T">The 1st type parameter.</typeparam>
public void Set <T>(string cacheKey, T cacheValue, TimeSpan expiration) where T : class
{
ArgumentCheck.NotNullOrWhiteSpace(cacheKey, nameof(cacheKey));
ArgumentCheck.NotNull(cacheValue, nameof(cacheValue));
ArgumentCheck.NotNegativeOrZero(expiration, nameof(expiration));
_localCachingProvider.Set(cacheKey, cacheValue, expiration);
_distributedCachingProvider.Set(cacheKey, cacheValue, expiration);
}
/// <summary>
/// Set the the exporation of specify cachekey.
/// </summary>>
/// <param name="cacheKey">Cache key.</param>
/// <param name="expirationMinutes">Expiration in minutes</param>
public void SetExpiration(string cacheKey, int?expirationMinutes = null)
{
var timespan = TimeSpan.FromMinutes(expirationMinutes ?? _options.DefaultCacheMinutes);
switch (_options.ProviderType)
{
case CachingProviderType.InMemory:
var cacheValue = _easyCachingProvider.Get <dynamic>(cacheKey);
_easyCachingProvider.Set(cacheKey, cacheValue, timespan);
break;
case CachingProviderType.Redis:
_redisCachingProvider.KeyExpire(cacheKey, Convert.ToInt32(timespan.TotalSeconds));
break;
default:
throw new NotSupportedException($"{nameof(IHybridCachingProvider)} dose not support {nameof(SetExpiration)} method");
}
}
protected virtual void Evict_Should_Succeed()
{
System.Reflection.MethodInfo method = typeof(CastleExampleService).GetMethod("EvictTest");
var key = _keyGenerator.GetCacheKey(method, null, "CastleExample");
_cachingProvider.Set(key, "AAA", TimeSpan.FromSeconds(30));
var value = _cachingProvider.Get <string>(key);
Assert.Equal("AAA", value.Value);
_service.EvictTest();
var after = _cachingProvider.Get <string>(key);
Assert.False(after.HasValue);
}
/// <summary>
/// Set the specified cacheKey, cacheValue and expiration.
/// </summary>
/// <param name="cacheKey">Cache key.</param>
/// <param name="cacheValue">Cache value.</param>
/// <param name="expiration">Expiration.</param>
/// <typeparam name="T">The 1st type parameter.</typeparam>
public void Set <T>(string cacheKey, T cacheValue, TimeSpan expiration)
{
ArgumentCheck.NotNullOrWhiteSpace(cacheKey, nameof(cacheKey));
_localCache.Set(cacheKey, cacheValue, expiration);
_distributedCache.Set(cacheKey, cacheValue, expiration);
//When create/update cache, send message to bus so that other clients can remove it.
_bus.Publish(_options.TopicName, new EasyCachingMessage {
Id = _cacheId, CacheKeys = new string[] { cacheKey }
});
}
public void Sec_Set_Value_And_Get_Cached_Value_Should_Succeed()
{
var cacheKey = Guid.NewGuid().ToString();
var cacheValue = "value";
_secondProvider.Set(cacheKey, cacheValue, _defaultTs);
var val = _secondProvider.Get <string>(cacheKey);
Assert.True(val.HasValue);
Assert.Equal(cacheValue, val.Value);
}
public async Task <ApiResult <Dictionary <string, string> > > Current(string lang)
{
lang = lang?.ToLower();
var _cachedi18n = await _cachingprovider.GetAsync <BaseI18N[]>("i18n");
var i18n = _cachedi18n?.Value;
if (i18n == null)
{
i18n = _context.BaseI18Ns.ToArray();
if (i18n.Length == 0)
{
await _dBInitializer.SeedI18N();
i18n = _context.BaseI18Ns.ToArray();
}
_cachingprovider.Set <BaseI18N[]>("i18n", i18n, TimeSpan.FromMinutes(5));
}
switch (lang)
{
case "el-gr":
return(new ApiResult <Dictionary <string, string> >(ApiCode.Success, "OK", i18n.Select(c => new { c.KeyName, c.ValueENGR }).ToDictionary(x => x.KeyName, y => y.ValueENGR)));
case "en-us":
return(new ApiResult <Dictionary <string, string> >(ApiCode.Success, "OK", i18n.Select(c => new { c.KeyName, c.ValueENUS }).ToDictionary(x => x.KeyName, y => y.ValueENUS)));
case "fr-fr":
return(new ApiResult <Dictionary <string, string> >(ApiCode.Success, "OK", i18n.Select(c => new { c.KeyName, c.ValueFRFR }).ToDictionary(x => x.KeyName, y => y.ValueFRFR)));
case "hr-hr":
return(new ApiResult <Dictionary <string, string> >(ApiCode.Success, "OK", i18n.Select(c => new { c.KeyName, c.ValueHRHR }).ToDictionary(x => x.KeyName, y => y.ValueHRHR)));
case "ko-kr":
return(new ApiResult <Dictionary <string, string> >(ApiCode.Success, "OK", i18n.Select(c => new { c.KeyName, c.ValueKOKR }).ToDictionary(x => x.KeyName, y => y.ValueKOKR)));
case "pl-pl":
return(new ApiResult <Dictionary <string, string> >(ApiCode.Success, "OK", i18n.Select(c => new { c.KeyName, c.ValuePLPL }).ToDictionary(x => x.KeyName, y => y.ValuePLPL)));
case "sl-sl":
return(new ApiResult <Dictionary <string, string> >(ApiCode.Success, "OK", i18n.Select(c => new { c.KeyName, c.ValueSLSL }).ToDictionary(x => x.KeyName, y => y.ValueSLSL)));
case "tr-tr":
return(new ApiResult <Dictionary <string, string> >(ApiCode.Success, "OK", i18n.Select(c => new { c.KeyName, c.ValueTRTR }).ToDictionary(x => x.KeyName, y => y.ValueTRTR)));
case "zh-tw":
return(new ApiResult <Dictionary <string, string> >(ApiCode.Success, "OK", i18n.Select(c => new { c.KeyName, c.ValueZHTW }).ToDictionary(x => x.KeyName, y => y.ValueZHTW)));
case "zh-cn":
return(new ApiResult <Dictionary <string, string> >(ApiCode.Success, "OK", i18n.Select(c => new { c.KeyName, c.ValueZHCN }).ToDictionary(x => x.KeyName, y => y.ValueZHCN)));
}
return(new ApiResult <Dictionary <string, string> >(ApiCode.Success, "OK", i18n.Select(c => new { c.KeyName, c.ValueZHCN }).ToDictionary(x => x.KeyName, y => y.ValueZHCN)));
}
protected virtual void Set_Value_And_Get_Cached_Value_Should_Succeed()
{
var cacheKey = $"{_nameSpace}{Guid.NewGuid().ToString()}";
var cacheValue = "value";
_provider.Set(cacheKey, cacheValue, _defaultTs);
var val = _provider.Get <string>(cacheKey);
Assert.True(val.HasValue);
Assert.Equal(cacheValue, val.Value);
}
public async Task CreateNewOrReplaceExisting(RecipeDetails recipeDetails)
{
var key = recipeDetails.Id.Value
.ToDictionaryKey(nameof(RecipeDetails));
if (_cachingProvider.Exists(key))
{
_cachingProvider.Remove(key);
}
_cachingProvider.Set(key, recipeDetails, TimeSpan.FromDays(30));
}
/// <summary>
/// 取得缓存数据(同步)
/// </summary>
/// <returns>数据</returns>
public IList <T> GetCacheData()
{
var cacheList = _provider.Get <List <T> >(_cacheKey);
if (!cacheList.HasValue)
{
// 全量取出
var dataList = _repository.Get().ToList();
_provider.Set(_cacheKey, dataList, TimeSpan.FromSeconds(_cachingOption.ExpireSpan));
return(dataList);
}
return(cacheList.Value);
}
