public static IDisposable Push(object state)
{
IDictionary <string, object> stateValues;
if (state is IEnumerable <KeyValuePair <string, object> > stateEnum)
{
// Convert this to a dictionary as we have scenarios where we cannot have duplicates. In this
// case, if there are dupes, the later entry wins.
stateValues = new Dictionary <string, object>();
foreach (var entry in stateEnum)
{
stateValues[entry.Key] = entry.Value;
}
}
else
{
// There's nothing we can do with other states.
return(null);
}
Current = new DictionaryLoggerScope(new ReadOnlyDictionary <string, object>(stateValues), Current);
return(new DisposableScope());
}
private DictionaryLoggerScope(IReadOnlyDictionary <string, object> state, DictionaryLoggerScope parent)
{
State = state;
Parent = parent;
}