Esempio n. 1
0
        public List <ExtendedGroupNoticeData> GetGroupNotices(UUID GroupID, NoticeListDelegate d)
        {
            object notices   = null;
            bool   firstCall = false;
            string cacheKey  = "notices-" + GroupID.ToString();

            //m_log.DebugFormat("[XXX]: GetGroupNotices {0}", cacheKey);

            while (true)
            {
                lock (m_Cache)
                {
                    if (m_Cache.TryGetValue(cacheKey, out notices))
                    {
                        //m_log.DebugFormat("[XXX]: GetGroupNotices {0} cached!", cacheKey);
                        return((List <ExtendedGroupNoticeData>)notices);
                    }

                    // not cached
                    if (!m_ActiveRequests.ContainsKey(cacheKey))
                    {
                        m_ActiveRequests.Add(cacheKey, true);
                        firstCall = true;
                    }
                }

                if (firstCall)
                {
                    try
                    {
                        notices = d();

                        lock (m_Cache)
                        {
                            m_Cache.AddOrUpdate(cacheKey, notices, GROUPS_CACHE_TIMEOUT);
                            return((List <ExtendedGroupNoticeData>)notices);
                        }
                    }
                    finally
                    {
                        lock (m_Cache)
                        {
                            m_ActiveRequests.Remove(cacheKey);
                        }
                    }
                }
                else
                {
                    Thread.Sleep(50);
                }
            }
        }
        public List<ExtendedGroupNoticeData> GetGroupNotices(UUID GroupID, NoticeListDelegate d)
        {
            object notices = null;
            bool firstCall = false;
            string cacheKey = "notices-" + GroupID.ToString();

            //m_log.DebugFormat("[XXX]: GetGroupNotices {0}", cacheKey);

            while (true)
            {
                lock (m_Cache)
                {
                    if (m_Cache.TryGetValue(cacheKey, out notices))
                    {
                        //m_log.DebugFormat("[XXX]: GetGroupNotices {0} cached!", cacheKey);
                        return (List<ExtendedGroupNoticeData>)notices;
                    }

                    // not cached
                    if (!m_ActiveRequests.ContainsKey(cacheKey))
                    {
                        m_ActiveRequests.Add(cacheKey, true);
                        firstCall = true;
                    }
                }

                if (firstCall)
                {
                    try
                    {
                        notices = d();

                        lock (m_Cache)
                        {
                            m_Cache.AddOrUpdate(cacheKey, notices, GROUPS_CACHE_TIMEOUT);
                            return (List<ExtendedGroupNoticeData>)notices;
                        }
                    }
                    finally
                    {
                        m_ActiveRequests.Remove(cacheKey);
                    }
                }
                else
                    Thread.Sleep(50);
            }
        }