/// <summary>
/// Start the call context
/// </summary>
/// <returns>id of the context node</returns>
public Guid?StartCallContext()
{
HttpContext current = HttpContextWrapper.Current;
if (current != null)
{
if (current.Items.ContainsKey(UseBackupKey))
{
return(m_backupCallContext.StartCallContext());
}
if (!current.Items.ContainsKey(DataKey))
{
current.Items[DataKey] = new ConcurrentDictionary <string, object>(StringComparer.Ordinal);
}
if (current.Items.ContainsKey(DictionaryKey))
{
Stack <Dictionary <string, object> > dataStack = null;
if (current.Items.ContainsKey(ContextStack))
{
dataStack = current.Items[ContextStack] as Stack <Dictionary <string, object> >;
}
else
{
dataStack = new Stack <Dictionary <string, object> >();
current.Items[ContextStack] = dataStack;
}
dataStack.Push(current.Items[DictionaryKey] as Dictionary <string, object>);
}
current.Items[DictionaryKey] = null;
}
else
{
return(m_backupCallContext.StartCallContext());
}
return(null);
}
/// <summary>
/// Start the call context
/// </summary>
/// <returns>id of the context node</returns>
public Guid? StartCallContext()
{
OperationContext context = OperationContext.Current;
if (context != null)
{
Stack<Dictionary<string, object>> dataStack = s_contextData.GetOrAdd(context, (operationContext) => new Stack<Dictionary<string, object>>());
dataStack.Push(null);
}
else
{
return m_backupCallContext.StartCallContext();
}
return null;
}