/// <summary>
/// Invokes the method
/// </summary>
/// <param name="request">The Request object to pass to the Method</param>
/// <param name="reply">The Reply to the client</param>
internal void Invoke(Request request, Reply reply)
{
bool invoke = true;
Binary resultKey = null;
string cachingKey = null;
if (IsResultCacheable)
{
resultKey = request.ParameterSet.GetHash();
cachingKey = string.Format(CACHING_KEY_FORMAT, _id, resultKey);
CachedResult cachedResult = ResultCache.GetCachedResult(_id, resultKey);
if (cachedResult.Found)
{
if (cachedResult.IsExpired && !Monitor.IsEntered(DynamicLock.Get(CACHING_LOCK_TYPE, cachingKey)))
{
request.MakeThreadSafe();
ParameterizedThreadStart work = new ParameterizedThreadStart(CacheMethodCall);
Thread thread = new Thread(work);
thread.Start(new CacheMethodCallParams()
{
Method = this,
ResultKey = resultKey,
Request = request,
Reply = new Reply(request.FormatKey)
});
}
reply.Result.Raw.InnerXml = cachedResult.Result.GetInnerXml();
XmlElement xCached = reply.Response.AddElement(Settings.GetString("NodeNameCachedResult"));
xCached.SetAttribute(Settings.GetString("NodeAttributeCachedResultUpdatedOn"), Settings.FormatDateTime(cachedResult.UpdatedOn));
xCached.SetAttribute(Settings.GetString("NodeAttributeCachedResultExpiresOn"), Settings.FormatDateTime(cachedResult.ExpiresOn));
invoke = false;
}
else
{
//if the current result is caching, sleep
while (Monitor.IsEntered(DynamicLock.Get(CACHING_LOCK_TYPE, cachingKey)))
{
Thread.Sleep(Settings.GetInt("ResultCachingConcurrentCallSleepInterval"));
}
cachedResult = ResultCache.GetCachedResult(_id, resultKey);
if (cachedResult.Found)
{
reply.Result.Raw.InnerXml = cachedResult.Result.GetInnerXml();
XmlElement xCached = reply.Response.AddElement(Settings.GetString("NodeNameCachedResult"));
xCached.SetAttribute(Settings.GetString("NodeAttributeCachedResultUpdatedOn"), Settings.FormatDateTime(cachedResult.UpdatedOn));
xCached.SetAttribute(Settings.GetString("NodeAttributeCachedResultExpiresOn"), Settings.FormatDateTime(cachedResult.ExpiresOn));
invoke = false;
}
}
}
if (invoke)
{
if (SPECIAL_METHODS.ContainsKey(_key))
{
InvokeSpecialMethod(reply.Result);
}
else
{
if (IsResultCacheable)
{
request.MakeThreadSafe();
CacheMethodCall(new CacheMethodCallParams()
{
Method = this,
ResultKey = resultKey,
CachingKey = cachingKey,
Request = request,
Reply = reply
});
}
else
{
_mi.Invoke(null, (new object[] { request, reply.Result, reply.Error }));
}
}
}
}
