//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;
}
}
//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;
}
}
//Refresh the statistics for all tracking layers in the map
//The AMSWorkspaceFactory provides easy access to query the statistics for every layer at once
private void RefreshAllStatistics()
{
try
{
object oNames, oValues;
string[] sNames;
if (m_amsWorkspaceFactory == null)
{
m_amsWorkspaceFactory = new AMSWorkspaceFactoryClass();
}
//Get the AMS Workspace Factory Statistics interface
ITemporalWorkspaceStatistics temporalWsfStatistics = (ITemporalWorkspaceStatistics)m_amsWorkspaceFactory;
//Get the message rates for all the tracking connections in the map
IPropertySet psMessageRates = temporalWsfStatistics.AllMessageRates;
psMessageRates.GetAllProperties(out oNames, out oValues);
sNames = (string[])oNames;
object[] oaMessageRates = (object[])oValues;
//Get the feature counts for all the tracking connections in the map
IPropertySet psTotalFeatureCounts = temporalWsfStatistics.AllTotalFeatureCounts;
psTotalFeatureCounts.GetAllProperties(out oNames, out oValues);
object[] oaFeatureCounts = (object[])oValues;
//Get the connection status for all the tracking connections in the map
IPropertySet psConnectionStatus = temporalWsfStatistics.ConnectionStatus;
psConnectionStatus.GetAllProperties(out oNames, out oValues);
string[] sConnectionNames = (string[])oNames;
object[] oaConnectionStatus = (object[])oValues;
Hashtable htConnectionStatus = new Hashtable(sConnectionNames.Length);
for (int i = 0; i < sConnectionNames.Length; ++i)
{
htConnectionStatus.Add(sConnectionNames[i], oaConnectionStatus[i]);
}
//Get the track counts for all the tracking connections in the map
IPropertySet psTrackCounts = temporalWsfStatistics.AllTrackCounts;
psTrackCounts.GetAllProperties(out oNames, out oValues);
object[] oaTrackCounts = (object[])oValues;
//Get the sample sizes for all the tracking connections in the map
IPropertySet psSampleSizes = temporalWsfStatistics.AllSampleSizes;
psSampleSizes.GetAllProperties(out oNames, out oValues);
object[] oaSampleSizes = (object[])oValues;
//Clear the existing list view items and repopulate from the collection
lvStatistics.BeginUpdate();
lvStatistics.Items.Clear();
//Create list view items from statistics' IPropertySets
for (int i = 0; i < sNames.Length; ++i)
{
ListViewItem lvItem = new ListViewItem(sNames[i]);
lvItem.SubItems.Add(Convert.ToString(oaMessageRates[i]));
lvItem.SubItems.Add(Convert.ToString(oaFeatureCounts[i]));
string sConnName = sNames[i].Split(new Char[] { '/' })[0];
esriWorkspaceConnectionStatus eWCS = (esriWorkspaceConnectionStatus)Convert.ToInt32(htConnectionStatus[sConnName]);
lvItem.SubItems.Add(eWCS.ToString());
lvItem.SubItems.Add(Convert.ToString(oaTrackCounts[i]));
lvItem.SubItems.Add(Convert.ToString(oaSampleSizes[i]));
lvStatistics.Items.Add(lvItem);
}
lvStatistics.EndUpdate();
}
catch (System.Exception ex)
{
statusBarXY.Text = ex.Message;
}
}
