/// <summary>
/// Takes some action before the invocation proceeds.
/// </summary>
/// <param name="invocation">The invocation that is being intercepted.</param>
protected virtual bool BeforeInvoke(IInvocation invocation)
{
var _cache = _scope.Resolve <IDistributedCache>();
var _logger = _scope.Resolve <ILogger <string> >();
var cacheAttribute = invocation.Method.GetCustomAttribute <CacheAttribute>();
if (cacheAttribute != null)
{
try
{
CacheKey key = new CacheKey(invocation.Method.ReflectedType, invocation.Method.ReturnType, invocation.Method.DeclaringType.FullName + "." + invocation.Method.Name, invocation.GenericArguments, invocation.Arguments);
var getresult = RedisCacheHelper.Get(_cache, _logger, key.GetHashCode().ToString(), invocation.Method.ReturnType);
if (getresult != null)
{
invocation.ReturnValue = getresult;
return(false);
}
else
{
return(true);
}
}
catch (Exception e)
{
_logger.LogError("get cache key error : {0}", e.Message);
return(true);
}
}
return(true);
}
/// <summary>
/// Takes some action after the invocation proceeds.
/// </summary>
/// <param name="invocation">The invocation that is being intercepted.</param>
protected virtual void AfterInvoke(IInvocation invocation)
{
var _cache = _scope.Resolve <IDistributedCache>();
var _logger = _scope.Resolve <ILogger <string> >();
var cacheAttribute = invocation.Method.GetCustomAttribute <CacheAttribute>();
if (cacheAttribute != null)
{
try
{
var cacheEntryOptions = new DistributedCacheEntryOptions()
.SetAbsoluteExpiration(TimeSpan.FromSeconds(cacheAttribute.Duration));
//get the method which want to call to, and set the gereric type for the method
CacheKey key = new CacheKey(invocation.Method.ReflectedType, invocation.Method.ReturnType, invocation.Method.DeclaringType.FullName + "." + invocation.Method.Name, invocation.GenericArguments, invocation.Arguments);
RedisCacheHelper.Set(_cache, _logger, key.GetHashCode().ToString(), invocation.ReturnValue, cacheEntryOptions);
}
catch (Exception e)
{
_logger.LogError("set cache key error : {0}", e.Message);
}
}
}
