public IAsyncResult InvokeBegin(object instance, object[] inputs, AsyncCallback callback, object state)
{
string cacheKey = this.CreateCacheKey(inputs);
CachedOperationResult cachedItem = CacheServiceHelper.Current.Get <CachedOperationResult>(cacheKey);
CachingUserState cachingUserState = new CachingUserState
{
CacheItem = cachedItem,
CacheKey = cacheKey,
Callback = callback,
State = state
};
IAsyncResult originalAsyncResult;
if (cachedItem != null)
{
InvokerDelegate invoker = cachedItem.GetValue;
object[] notUsed;
originalAsyncResult = invoker.BeginInvoke(inputs, out notUsed, this.InvokerCallback, cachingUserState);
}
else
{
originalAsyncResult = _invoker.InvokeBegin(instance, inputs, this.InvokerCallback, cachingUserState);
}
return(new CachingAsyncResult(originalAsyncResult, cachingUserState));
}
public object Invoke(object instance, object[] inputs, out object[] outputs)
{
string cacheKey = this.CreateCacheKey(inputs);
CachedOperationResult cachedItem = CacheServiceHelper.Current.Get <CachedOperationResult>(cacheKey);
if (cachedItem != null)
{
LoggerServiceHelper.Current.WriteLine(this, LogStatusEnum.Debug, "{0}.{1} -> Gets method result from cache",
_operation.DeclaringContract.ContractType,
_operation.Name);
outputs = cachedItem.Outputs;
return(cachedItem.Data);
}
object data = _invoker.Invoke(instance, inputs, out outputs);
if (_cacheDuration > 0)
{
cachedItem = new CachedOperationResult {
Data = data, Outputs = outputs
};
CacheServiceHelper.Current.Add(cacheKey, cachedItem, TimeSpan.FromSeconds(_cacheDuration));
}
return(data);
}
