internal void Refresh()
{
if (!_initCalled)
{
Initialize();
return;
}
SourceElementsCollection sources = DiagnosticsConfiguration.Sources;
if (sources != null)
{
SourceElement sourceElement = sources[Name];
if (sourceElement != null)
{
// first check if the type changed
if ((String.IsNullOrEmpty(sourceElement.SwitchType) && internalSwitch.GetType() != typeof(SourceSwitch)) ||
(sourceElement.SwitchType != internalSwitch.GetType().AssemblyQualifiedName))
{
if (!String.IsNullOrEmpty(sourceElement.SwitchName))
{
CreateSwitch(sourceElement.SwitchType, sourceElement.SwitchName);
}
else
{
CreateSwitch(sourceElement.SwitchType, Name);
if (!String.IsNullOrEmpty(sourceElement.SwitchValue))
{
internalSwitch.Level = (SourceLevels)Enum.Parse(typeof(SourceLevels), sourceElement.SwitchValue);
}
}
}
else if (!String.IsNullOrEmpty(sourceElement.SwitchName))
{
// create a new switch if the name changed, otherwise just refresh.
if (sourceElement.SwitchName != internalSwitch.DisplayName)
{
CreateSwitch(sourceElement.SwitchType, sourceElement.SwitchName);
}
else
{
internalSwitch.Refresh();
}
}
else
{
// the switchValue changed. Just update our internalSwitch.
if (!String.IsNullOrEmpty(sourceElement.SwitchValue))
{
internalSwitch.Level = (SourceLevels)Enum.Parse(typeof(SourceLevels), sourceElement.SwitchValue);
}
else
{
internalSwitch.Level = SourceLevels.Off;
}
}
TraceListenerCollection newListenerCollection = new TraceListenerCollection();
foreach (ListenerElement listenerElement in sourceElement.Listeners)
{
TraceListener listener = listeners[listenerElement.Name];
if (listener != null)
{
newListenerCollection.Add(listenerElement.RefreshRuntimeObject(listener));
}
else
{
newListenerCollection.Add(listenerElement.GetRuntimeObject());
}
}
TraceUtils.VerifyAttributes(sourceElement.Attributes, GetSupportedAttributes(), this);
attributes = new StringDictionary();
attributes.ReplaceHashtable(sourceElement.Attributes);
listeners = newListenerCollection;
}
else
{
// there was no config, so clear whatever we have.
internalSwitch.Level = switchLevel;
listeners.Clear();
attributes = null;
}
}
}
