public IMethodInvocationResult Intercept(ISyncMethodInvocation methodInvocation)
{
IMethodInvocationResult result = null;
CacheAttribute attribute = methodInvocation.InstanceMethodInfo.GetCustomAttribute <CacheAttribute>();
if (attribute != null)
{
string key = KeyBuilder.BuildCacheKey(attribute.CacheSetting, attribute.CacheName, methodInvocation.TargetInstance.ToString(), methodInvocation.InstanceMethodInfo.Name, attribute.PropertyName, methodInvocation.Arguments.ToArray());
string area = KeyBuilder.BuildCacheKey(attribute.CacheSetting, attribute.CacheArea, methodInvocation.TargetInstance.ToString(), methodInvocation.InstanceMethodInfo.Name, attribute.PropertyName, methodInvocation.Arguments.ToArray());
CachedItemDTO cachedItem = CacheManager.GetValue(area, key);
object cachedValue = null;
if (cachedItem != null)
{
cachedValue = cachedItem.CacheValue;
}
if (cachedValue != null)
{
MethodInfo methodInfo = methodInvocation.InstanceMethodInfo;
Type typeFoo = methodInfo.ReturnType;
var returnData = Convert.ChangeType(cachedValue, typeFoo);
return(methodInvocation.CreateResult(returnData));
}
else
{
result = methodInvocation.InvokeNext();
CacheManager.AddValue(area, key, result.ReturnValue, attribute.TimeoutSeconds);
return(result);
}
}
else
{
result = methodInvocation.InvokeNext();
return(result);
}
}
public static void AddValue(string area, string key, object obj, int timeoutSeconds = 2630000)
{
try
{
if (obj == null)
{
return;
}
var cachedItem = new CachedItemDTO()
{
SetTime = DateTime.UtcNow,
ExpirationTime = DateTime.UtcNow + TimeSpan.FromSeconds(timeoutSeconds),
TimeoutSeconds = timeoutSeconds,
CacheValue = obj,
};
var cacheEntryOptions = new MemoryCacheEntryOptions()
.SetSlidingExpiration(TimeSpan.FromSeconds(timeoutSeconds))
.SetPriority(CacheItemPriority.High)
.RegisterPostEvictionCallback(
(echoKey, value, reason, substate) =>
{
// Triggered when this cache item is evicted.
// Add Log
});
CacheInstance.Set(key, cachedItem, cacheEntryOptions);
AddCacheArea(new CacheAreaDTO(area, key));
}
catch (Exception ex)
{
throw;
}
}
