/// <summary>
/// Get the specified cacheKey, dataRetriever and expiration.
/// </summary>
/// <returns>The get.</returns>
/// <param name="cacheKey">Cache key.</param>
/// <param name="dataRetriever">Data retriever.</param>
/// <param name="expiration">Expiration.</param>
/// <typeparam name="T">The 1st type parameter.</typeparam>
public CacheValue <T> Get <T>(string cacheKey, Func <T> dataRetriever, TimeSpan expiration) where T : class
{
ArgumentCheck.NotNullOrWhiteSpace(cacheKey, nameof(cacheKey));
ArgumentCheck.NotNegativeOrZero(expiration, nameof(expiration));
var result = _cache.StringGet(cacheKey);
if (!result.IsNull)
{
var value = _serializer.Deserialize <T>(result);
return(new CacheValue <T>(value, true));
}
var item = dataRetriever?.Invoke();
if (item != null)
{
Set(cacheKey, item, expiration);
return(new CacheValue <T>(item, true));
}
else
{
return(CacheValue <T> .NoValue);
}
}
/// <summary>
/// Caches the delete action.
/// </summary>
/// <param name="channel">Channel.</param>
/// <param name="value">Value.</param>
private void CacheDeleteAction(RedisChannel channel, RedisValue value)
{
var message = _serializer.Deserialize <EasyCachingMessage>(value);
//TODO : remove local cache
_localCachingProvider.Remove(message.CacheKey);
}
public void Deserialize_Object_Should_Succeed()
{
var bytes = _serializer.Serialize(new Model {
Prop = "abc"
});
var res = _serializer.Deserialize <Model>(bytes);
Assert.Equal("abc", res.Prop);
}
/// <summary>
/// Get the specified cacheKey, dataRetriever and expiration.
/// </summary>
/// <returns>The get.</returns>
/// <param name="cacheKey">Cache key.</param>
/// <param name="dataRetriever">Data retriever.</param>
/// <param name="expiration">Expiration.</param>
/// <typeparam name="T">The 1st type parameter.</typeparam>
public CacheValue <T> Get <T>(string cacheKey, Func <T> dataRetriever, TimeSpan expiration) where T : class
{
ArgumentCheck.NotNullOrWhiteSpace(cacheKey, nameof(cacheKey));
ArgumentCheck.NotNegativeOrZero(expiration, nameof(expiration));
var result = _cache.StringGet(cacheKey);
if (!result.IsNull)
{
if (_options.EnableLogging)
{
_logger?.LogInformation($"Cache Hit : cachekey = {cacheKey}");
}
var value = _serializer.Deserialize <T>(result);
return(new CacheValue <T>(value, true));
}
var item = dataRetriever?.Invoke();
if (item != null)
{
Set(cacheKey, item, expiration);
return(new CacheValue <T>(item, true));
}
else
{
if (_options.EnableLogging)
{
_logger?.LogInformation($"Cache Missed : cachekey = {cacheKey}");
}
return(CacheValue <T> .NoValue);
}
}
/// <summary>
/// Get the specified cacheKey, dataRetriever and expiration.
/// </summary>
/// <returns>The get.</returns>
/// <param name="cacheKey">Cache key.</param>
/// <param name="dataRetriever">Data retriever.</param>
/// <param name="expiration">Expiration.</param>
/// <typeparam name="T">The 1st type parameter.</typeparam>
public override CacheValue <T> BaseGet <T>(string cacheKey, Func <T> dataRetriever, TimeSpan expiration)
{
ArgumentCheck.NotNullOrWhiteSpace(cacheKey, nameof(cacheKey));
ArgumentCheck.NotNegativeOrZero(expiration, nameof(expiration));
var result = _cache.Get <byte[]>(cacheKey);
if (result != null)
{
CacheStats.OnHit();
if (_options.EnableLogging)
{
_logger?.LogInformation($"Cache Hit : cachekey = {cacheKey}");
}
var value = _serializer.Deserialize <T>(result);
return(new CacheValue <T>(value, true));
}
CacheStats.OnMiss();
if (_options.EnableLogging)
{
_logger?.LogInformation($"Cache Missed : cachekey = {cacheKey}");
}
if (!_cache.Set($"{cacheKey}_Lock", 1, (int)TimeSpan.FromMilliseconds(_options.LockMs).TotalSeconds, RedisExistence.Nx))
{
System.Threading.Thread.Sleep(_options.SleepMs);
return(Get(cacheKey, dataRetriever, expiration));
}
var item = dataRetriever();
if (item != null || _options.CacheNulls)
{
Set(cacheKey, item, expiration);
//remove mutex key
_cache.Del($"{cacheKey}_Lock");
return(new CacheValue <T>(item, true));
}
else
{
//remove mutex key
_cache.Del($"{cacheKey}_Lock");
return(CacheValue <T> .NoValue);
}
}
protected override void Exec(IEasyCachingSerializer serializer)
{
var data = serializer.Serialize(_list);
var result = serializer.Deserialize <List <MyPoco> >(data);
if (result == null)
{
throw new Exception();
}
}
/// <summary>
/// Get the specified cacheKey, dataRetriever and expiration.
/// </summary>
/// <returns>The get.</returns>
/// <param name="cacheKey">Cache key.</param>
/// <param name="dataRetriever">Data retriever.</param>
/// <param name="expiration">Expiration.</param>
/// <typeparam name="T">The 1st type parameter.</typeparam>
public CacheValue <T> Get <T>(string cacheKey, Func <T> dataRetriever, TimeSpan expiration)
{
ArgumentCheck.NotNullOrWhiteSpace(cacheKey, nameof(cacheKey));
ArgumentCheck.NotNegativeOrZero(expiration, nameof(expiration));
var result = _cache.StringGet(cacheKey);
if (!result.IsNull)
{
CacheStats.OnHit();
if (_options.EnableLogging)
{
_logger?.LogInformation($"Cache Hit : cachekey = {cacheKey}");
}
var value = _serializer.Deserialize <T>(result);
return(new CacheValue <T>(value, true));
}
CacheStats.OnMiss();
if (_options.EnableLogging)
{
_logger?.LogInformation($"Cache Missed : cachekey = {cacheKey}");
}
if (!_cache.StringSet($"{cacheKey}_Lock", 1, TimeSpan.FromMilliseconds(_options.LockMs), When.NotExists))
{
System.Threading.Thread.Sleep(_options.SleepMs);
return(Get(cacheKey, dataRetriever, expiration));
}
var item = dataRetriever();
if (item != null)
{
Set(cacheKey, item, expiration);
//remove mutex key
_cache.KeyDelete($"{cacheKey}_Lock");
return(new CacheValue <T>(item, true));
}
else
{
return(CacheValue <T> .NoValue);
}
}
/// <summary>
/// Subscribes the handle.
/// </summary>
/// <param name="channel">Channel.</param>
/// <param name="value">Value.</param>
private void SubscribeHandle(RedisChannel channel, RedisValue value)
{
var message = _serializer.Deserialize <EasyCachingMessage>(value);
switch (message.NotifyType)
{
case NotifyType.Add:
_localCachingProvider.Set(message.CacheKey, message.CacheValue, message.Expiration);
break;
case NotifyType.Update:
_localCachingProvider.Refresh(message.CacheKey, message.CacheValue, message.Expiration);
break;
case NotifyType.Delete:
_localCachingProvider.Remove(message.CacheKey);
break;
}
}
/// <summary>
/// Consumers the received.
/// </summary>
/// <param name="sender">Sender.</param>
/// <param name="e">E.</param>
private void OnConsumerReceived(object sender, BasicDeliverEventArgs e)
{
var message = _serializer.Deserialize <EasyCachingMessage>(e.Body);
switch (message.NotifyType)
{
case NotifyType.Add:
_localCachingProvider.Set(message.CacheKey, message.CacheValue, message.Expiration);
break;
case NotifyType.Update:
_localCachingProvider.Refresh(message.CacheKey, message.CacheValue, message.Expiration);
break;
case NotifyType.Delete:
_localCachingProvider.Remove(message.CacheKey);
break;
}
}
private CacheValue <T> Deserialize <T>(string cacheKey, RedisValue redisValue)
{
if (redisValue.IsNull)
{
return(CacheValue <T> .NoValue);
}
try
{
var value = _serializer.Deserialize <T>(redisValue);
if (value == null && !_options.CacheNulls)
{
return(CacheValue <T> .NoValue);
}
return(new CacheValue <T>(value, true));
}
catch (Exception ex)
{
Logger?.LogWarning(ex, "Error while deserializing cache value with key '{0}'.", cacheKey);
return(CacheValue <T> .NoValue);
}
}
/// <summary>
/// Subscribes the handle.
/// </summary>
/// <param name="channel">Channel.</param>
/// <param name="value">Value.</param>
private void OnMessage(RedisChannel channel, RedisValue value)
{
var message = _serializer.Deserialize <EasyCachingMessage>(value);
_handler?.Invoke(message);
}
/// <summary>
/// Ons the message.
/// </summary>
/// <param name="sender">Sender.</param>
/// <param name="e">E.</param>
private void OnMessage(object sender, BasicDeliverEventArgs e)
{
var message = _serializer.Deserialize <EasyCachingMessage>(e.Body.ToArray());
BaseOnMessage(message);
}
/// <summary>
/// Ons the message.
/// </summary>
/// <param name="sender">Sender.</param>
/// <param name="e">E.</param>
private void OnMessage(object sender, BasicDeliverEventArgs e)
{
var message = _serializer.Deserialize <EasyCachingMessage>(e.Body);
_handler?.Invoke(message);
}
public void Set_Value_Should_Succeed()
{
var cacheKey = Guid.NewGuid().ToString();
var cacheValue = "value";
var cacheBytes = new byte[] { 0x01 };
A.CallTo(() => _serializer.Serialize(cacheValue)).Returns(cacheBytes);
A.CallTo(() => _serializer.Deserialize <string>(A <byte[]> .Ignored)).Returns(cacheValue);
_provider.Set(cacheKey, cacheValue, _defaultTs);
var val = _provider.Get <string>(cacheKey, null, _defaultTs);
Assert.NotNull(val);
Assert.Equal(cacheValue, val.Value);
}
/// <inheritdoc/>
public T Deserialize <T>(byte[] bytes)
{
var decompressedBytes = _compressor.Decompress(bytes);
return(_easyCachingSerializer.Deserialize <T>(decompressedBytes));
}
