public void Register(string name, CallbackReturnHandler <object> callback)
{
if (!innerMapping.ContainsKey(name))
{
innerMapping.Add(name, callback);
}
}
public T GetEntity <T, P>(string category, P para, TimeSpan durationTime, CallbackReturnHandler <P, T> handler)
where T : class
{
//Dictionary<string, T> cacheDict = HttpRuntime.Cache[category] as Dictionary<string, T>;
//string key = para.ToString().ToLower();
//if (cacheDict == null)
//{
// cacheDict = new Dictionary<string, T>();
// DateTime absoluteTime = DateTime.MaxValue;
// if (durationTime != TimeSpan.MaxValue)
// {
// absoluteTime = DateTime.Now.Add(durationTime);
// }
// HttpRuntime.Cache.Insert(category, cacheDict, null, absoluteTime, TimeSpan.Zero);
//}
//T result = null;
//if (cacheDict.ContainsKey(key))
//{
// result = cacheDict[key];
//}
//else
//{
// result = handler(para);
// if (result != null)
// {
// cacheDict.Add(key, result);
// }
//}
string name = string.Format("{0}_{1}", category, para.ToString()).ToLower();
T result = HttpRuntime.Cache[name] as T;
if (result == null)
{
result = handler(para);
if (result != null)
{
DateTime absoluteTime = DateTime.MaxValue;
if (durationTime != TimeSpan.MaxValue)
{
absoluteTime = DateTime.Now.Add(durationTime);
}
HttpRuntime.Cache.Insert(name, result, null, absoluteTime, TimeSpan.Zero);
}
}
return(result);
}
/// <summary>
/// Catch all the exception to invoke the delegate.
/// </summary>
/// <typeparam name="T">the generic type of the return value of the delegate.</typeparam>
/// <param name="callback">the delegate.</param>
/// <returns>the result of the delegate.</returns>
public static T CatchAll <T>(CallbackReturnHandler <T> callback)
{
try
{
return(callback());
}
catch
{
}
return(default(T));
}
public T GetEntity <T>(string name, TimeSpan durationTime, CallbackReturnHandler <T> handler)
where T : class
{
name = name.ToLower();
T result = HttpRuntime.Cache[name] as T;
if (result == null)
{
result = handler();
if (result != null)
{
DateTime absoluteTime = DateTime.MaxValue;
if (durationTime != TimeSpan.MaxValue)
{
absoluteTime = DateTime.Now.Add(durationTime);
}
HttpRuntime.Cache.Insert(name, result, null, absoluteTime, TimeSpan.Zero);
}
}
return(result);
}
