private static bool TryLookupExtractor(ExtractorDictionary stateExractor, Type propertyType,
out KeyValuePair <Func <object, object>, Func <object, object> > keyValueExtractor)
{
if (!stateExractor.TryGetValue(propertyType, out keyValueExtractor))
{
try
{
return(TryBuildExtractor(propertyType, out keyValueExtractor));
}
catch (Exception ex)
{
InternalLogger.Debug(ex, "Exception in BeginScope create property extractor");
}
finally
{
stateExractor[propertyType] = keyValueExtractor;
}
}
return(keyValueExtractor.Key != null);
}
public static IDisposable CaptureScopeProperties(IEnumerable scopePropertyCollection, ExtractorDictionary stateExractor)
{
List <KeyValuePair <string, object> > propertyList = null;
var keyValueExtractor = default(KeyValuePair <Func <object, object>, Func <object, object> >);
foreach (var property in scopePropertyCollection)
{
if (property == null)
{
break;
}
if (keyValueExtractor.Key == null && !TryLookupExtractor(stateExractor, property.GetType(), out keyValueExtractor))
{
break;
}
var propertyValue = TryParseKeyValueProperty(keyValueExtractor, property);
if (!propertyValue.HasValue)
{
continue;
}
propertyList = propertyList ?? new List <KeyValuePair <string, object> >();
propertyList.Add(propertyValue.Value);
}
return(CreateScopeProperties(scopePropertyCollection, propertyList));
}
public static IDisposable CaptureScopeProperty <TState>(TState scopeProperty, ExtractorDictionary stateExractor)
{
if (!TryLookupExtractor(stateExractor, scopeProperty.GetType(), out var keyValueExtractor))
{
return(NestedDiagnosticsLogicalContext.Push(scopeProperty));
}
var propertyValue = TryParseKeyValueProperty(keyValueExtractor, scopeProperty);
if (!propertyValue.HasValue)
{
return(NestedDiagnosticsLogicalContext.Push(scopeProperty));
}
return(new ScopeProperties(NestedDiagnosticsLogicalContext.Push(scopeProperty), MappedDiagnosticsLogicalContext.SetScoped(propertyValue.Value.Key, propertyValue.Value.Value)));
}
public static IDisposable CaptureScopeProperty <TState>(TState scopeProperty, ExtractorDictionary stateExtractor)
{
if (!TryLookupExtractor(stateExtractor, scopeProperty.GetType(), out var keyValueExtractor))
{
return(ScopeContext.PushNestedState(scopeProperty));
}
object scopePropertyValue = scopeProperty;
var propertyValue = TryParseKeyValueProperty(keyValueExtractor, scopePropertyValue);
if (propertyValue.HasValue)
{
return(ScopeContext.PushNestedStateProperties(scopePropertyValue, new[] { new KeyValuePair <string, object>(propertyValue.Value.Key, propertyValue.Value.Value) }));
}
return(ScopeContext.PushNestedState(scopeProperty));
}