protected void OnlineMessage(IMessage message)
{
// We need to build a list of updates, this can then be used by the
// RTD server interface to only send back topics that have changed.
var now = DateTime.Now;
var textMessage = message as ITextMessage;
if (textMessage == null)
{
return;
}
var record = ExtractPositionRecord(textMessage.Text);
record.Add("receiveTime", now.ToString());
// For each record build the cacheKey - the key would be configured
var key = BuildPositionKey(record);
// store each value
var messageType = (string)record["messageType"];
if ("BatchPosition".Equals(messageType))
{
positionCache.AddBatchCacheItem(key, record);
lastUpdateTime = now;
RegisterChange(key, record);
}
else if ("OnlinePosition".Equals(messageType))
{
positionCache.AddOnlineCacheItem(key, record);
lastUpdateTime = now;
RegisterChange(key, record);
}
else if ("HeartBeat".Equals(messageType))
{
heartBeatTime = DateTime.Now;
RegisterGenericChange("heartBeat", heartBeatTime.ToString());
}
else if ("Command".Equals(messageType) && record["purgeRecordType"] != null)
{
positionCache.ClearCaches();
lastUpdateTime = now;
// Force a recalc of the spreadsheet
RegisterGenericChange("heartBeat", DateTime.Now.ToString());
}
else
{
return;
}
if (m_xlRTDUpdate != null)
{
m_xlRTDUpdate.UpdateNotify();
}
}
/// <summary>
/// The timer was elapsed.
/// </summary>
/// <param name="sender">The sender of the event.</param>
/// <param name="e">The event arguments.</param>
void TimerElapsed(object sender, System.Timers.ElapsedEventArgs e)
{
// Stop the timer and notify Excel there is new data.
if (m_callback != null)
{
m_timer.Stop();
m_callback.UpdateNotify();
}
}
// Handler for the timer events - we use this to update the data.
private void TimerEventHandler(object sender, ElapsedEventArgs e)
{
// Update the data.
Random random = new Random();
foreach (StockData dataItem in dataCollection)
{
dataItem.Update(random);
}
// Tell Excel we have updated data available.
xlUpdateEvent.UpdateNotify();
}
public void UpdateExcel(IRTD_DataProvider IRTD_Data)
{
lock (fSyncLock)
{
if (fIsWorking == false)
{
return;
}
if (fComm2TopicId != null)
{
foreach (string id in IRTD_Data.GetChangedComms())
{
foreach (CMoneyTopic topic in fComm2TopicId[id])
{
fUpdateList[topic.TopicID] = IRTD_Data.GetRTCommProperty(id, topic.PropertyName);
}
}
}
fTargetUpdateEvent.UpdateNotify();
}
}
public int ServerStart(XL.IRTDUpdateEvent CallbackObject)
{
_timer = new Timer(delegate { CallbackObject.UpdateNotify(); }, null, TimeSpan.Zero, TimeSpan.FromSeconds(3));
return(1);
}
