public ApiResponsePIErrors(int statusCode, IDictionary <string, string> headers, PIErrors data)
: base(statusCode, headers)
{
this.Data = data;
}
public void ExecuteMetadataRefresh(object state)
{
OnStatusMessage("Beginning metadata refresh...");
try
{
base.RefreshMetadata();
if (InputMeasurementKeys != null && InputMeasurementKeys.Any())
{
IPIPoints2 pts2 = (IPIPoints2)m_server.PIPoints;
//NamedValues edits = new NamedValues();
//PIErrors errors = new PIErrors();
PointList piPoints;
DataTable dtMeasurements = DataSource.Tables["ActiveMeasurements"];
DataRow[] rows;
foreach (MeasurementKey key in InputMeasurementKeys)
{
rows = dtMeasurements.Select(string.Format("SIGNALID='{0}'", key.SignalID));
if (rows.Any())
{
string tagname = rows[0]["POINTTAG"].ToString();
if (!String.IsNullOrWhiteSpace(rows[0]["ALTERNATETAG"].ToString()))
tagname = rows[0]["ALTERNATETAG"].ToString();
piPoints = m_server.GetPoints(string.Format("EXDESC='{0}'", rows[0]["SIGNALID"].ToString()));
if (piPoints.Count == 0)
{
m_server.PIPoints.Add(rows[0]["POINTTAG"].ToString(), m_piPointClass, PointTypeConstants.pttypFloat32);
}
else if (piPoints[1].Name != rows[0]["POINTTAG"].ToString())
{
pts2.Rename(piPoints[1].Name, rows[0]["POINTTAG"].ToString());
}
else
{
foreach (PIPoint pt in piPoints)
{
if (pt.Name != rows[0]["POINTTAG"].ToString())
pts2.Rename(pt.Name, rows[0]["POINTTAG"].ToString());
}
}
PIErrors errors = new PIErrors();
NamedValues edits = new NamedValues();
NamedValues edit = new NamedValues();
edit.Add("pointsource", m_piPointSource);
edit.Add("Descriptor", rows[0]["SIGNALREFERENCE"].ToString());
edit.Add("exdesc", rows[0]["SIGNALID"].ToString());
edit.Add("sourcetag", rows[0]["POINTTAG"].ToString());
if (dtMeasurements.Columns.Contains("ENGINEERINGUNITS")) // engineering units is a new field for this view -- handle the case that its not there
edit.Add("engunits", rows[0]["ENGINEERINGUNITS"].ToString());
edits.Add(rows[0]["POINTTAG"].ToString(), edit);
pts2.EditTags(edits, out errors, null);
if (errors.Count > 0)
OnStatusMessage(errors[0].Description);
}
}
}
else
{
OnStatusMessage("PI Historian is not configured with any input measurements. Therefore, metadata sync will not do work.");
}
}
catch (ThreadAbortException)
{
throw;
}
catch (Exception ex)
{
OnProcessException(ex);
}
finally
{
m_metadataRefreshComplete.Set();
}
OnStatusMessage("Completed metadata refresh successfully.");
}
