public override bool Evaluate(DiagnosticEvent diagnosticEvent, ILoggerName loggerName)
{
bool meetsCriteria = false;
DiagnosticEventProperty property = new DiagnosticEventProperty();
if (!diagnosticEvent.Properties.TryGetProperty(Property, out property))
{
Diag.Log.Warning(() =>
"Diagnostic Property '{0}' not found on Diagnostic Event."
.FormatWith(Property));
meetsCriteria = false;
}
else
{
meetsCriteria = Evaluator.Value.MatchesPattern(property.Value.ToString());
}
if (Mode == FilterMode.Include)
return meetsCriteria;
else
return !meetsCriteria;
}
CollectData(IList<DataRequest> requestedContextData)
{
var result = new List<DiagnosticEventProperty>(capacity: requestedContextData.Count);
if (requestedContextData.Count == 0)
return result;
var cx = new DataCollectionContext();
for (int i = 0; i < requestedContextData.Count; i++)
{
var item = requestedContextData[i];
DiagnosticEventProperty property = null;
//# try to get from cache first
if (DataRequestCache.TryGetValue(item, out property))
{
result.Add(property);
continue;
}
//# get the data
var dataValue = (object)null;
if (TryGetData(item, cx, out dataValue))
{
property = new DiagnosticEventProperty();
property.UniqueName = item.Data;
property.Value = dataValue;
}
result.AddIfNotNull(property);
// add to cache if needed
if (item.IsCached && !DataRequestCache.ContainsKey(item))
DataRequestCache.Add(item, property);
}
return result;
}