//Set the sampling size for one or all of the layers in the map
//The sampling size determines how many messages are factored into the message rate calculation.
//For instance a sampling size of 500 will store the times the last 500 messages were received.
//The message rate is calculated as the (oldest timestamp - current time) / number of messages
private void SetSampleSize()
{
try
{
int samplingSize = Convert.ToInt32(txtSampleSize.Text);
ITemporalLayer temporalLayer = GetSelectedTemporalLayer();
if (temporalLayer == null)
{
if (m_amsWorkspaceFactory == null)
{
m_amsWorkspaceFactory = new AMSWorkspaceFactoryClass();
}
//Get the AMS Workspace Factory Statistics interface
ITemporalWorkspaceStatistics temporalWsfStatistics = (ITemporalWorkspaceStatistics)m_amsWorkspaceFactory;
temporalWsfStatistics.SetAllSampleSizes(samplingSize);
}
else
{
ITemporalFeatureClassStatistics temporalFCStats =
(ITemporalFeatureClassStatistics)((IFeatureLayer)temporalLayer).FeatureClass;
temporalFCStats.SampleSize = samplingSize;
}
}
catch (Exception ex)
{
statusBarXY.Text = ex.Message;
}
}
//Reset the statistic's message rate for one or all of the layers in the map
private void btnResetMsgRate_Click(object sender, EventArgs e)
{
try
{
ITemporalLayer temporalLayer = GetSelectedTemporalLayer();
if (temporalLayer == null)
{
if (m_amsWorkspaceFactory == null)
{
m_amsWorkspaceFactory = new AMSWorkspaceFactoryClass();
}
//Get the AMS Workspace Factory Statistics interface
ITemporalWorkspaceStatistics temporalWsfStatistics = (ITemporalWorkspaceStatistics)m_amsWorkspaceFactory;
temporalWsfStatistics.ResetAllMessageRates();
}
else
{
ITemporalFeatureClassStatistics temporalFCStats =
(ITemporalFeatureClassStatistics)((IFeatureLayer)temporalLayer).FeatureClass;
temporalFCStats.ResetMessageRate();
}
}
catch (Exception ex)
{
statusBarXY.Text = ex.Message;
}
}
//Refresh the statistics for a single layer using the ITemporalFeatureClassStatistics
private void RefreshLayerStatistics(string sLayerName, ITemporalFeatureClassStatistics temporalFCStats)
{
ListViewItem lvItem = new ListViewItem(sLayerName);
lvItem.SubItems.Add(Convert.ToString(temporalFCStats.MessageRate));
lvItem.SubItems.Add(Convert.ToString(temporalFCStats.TotalFeatureCount));
lvItem.SubItems.Add("Not Available");
lvItem.SubItems.Add(Convert.ToString(temporalFCStats.TrackCount));
lvItem.SubItems.Add(Convert.ToString(temporalFCStats.SampleSize));
lvStatistics.Items.Clear();
lvStatistics.Items.Add(lvItem);
}
//Refresh the statistics for a single layer using the ITemporalFeatureClassStatistics
private void RefreshLayerStatistics(string sLayerName, ITemporalFeatureClassStatistics temporalFCStats)
{
ListViewItem lvItem = new ListViewItem(sLayerName);
lvItem.SubItems.Add(Convert.ToString(temporalFCStats.MessageRate));
lvItem.SubItems.Add(Convert.ToString(temporalFCStats.TotalFeatureCount));
lvItem.SubItems.Add("Not Available");
lvItem.SubItems.Add(Convert.ToString(temporalFCStats.TrackCount));
lvItem.SubItems.Add(Convert.ToString(temporalFCStats.SampleSize));
lvStatistics.Items.Clear();
lvStatistics.Items.Add(lvItem);
}
