public static bool IsEmpty(IAsyncLocalValueMap asyncLocalValueMap)
{
Debug.Assert(asyncLocalValueMap != null);
Debug.Assert(asyncLocalValueMap == Empty || asyncLocalValueMap.GetType() != typeof(EmptyAsyncLocalValueMap));
return(asyncLocalValueMap == Empty);
}
private ExecutionContext ShallowClone(bool isFlowSuppressed)
{
Debug.Assert(isFlowSuppressed != m_isFlowSuppressed);
if (m_localValues == null ||
m_localValues.GetType() == typeof(AsyncLocalValueMap.EmptyAsyncLocalValueMap))
{
return(isFlowSuppressed ?
DefaultFlowSuppressed :
null); // implies the default context
}
return(new ExecutionContext(m_localValues, m_localChangeNotifications, isFlowSuppressed));
}
private ExecutionContext ShallowClone(bool isFlowSuppressed)
{
Debug.Assert(isFlowSuppressed != m_isFlowSuppressed);
if (!isFlowSuppressed &&
(m_localValues == null ||
m_localValues.GetType() == typeof(AsyncLocalValueMap.EmptyAsyncLocalValueMap))
)
{
return(null); // implies the default context
}
// Flow suppressing a Default context will have null values, set them to Empty
return(new ExecutionContext(m_localValues ?? AsyncLocalValueMap.Empty, m_localChangeNotifications ?? Array.Empty <IAsyncLocal>(), isFlowSuppressed));
}