private List <FeedbackMessage> GetOrNewFeedbackMessages(FeedbackMessage.FeedbackMessageLevel level)
{
if (!messagesHolder.ContainsKey(level))
{
lock (createLock)
{
if (!messagesHolder.ContainsKey(level))
{
var messageList = new List <FeedbackMessage>();
messagesHolder[level] = messageList;
return(messageList);
}
}
}
return(messagesHolder[level]);
}
/// <summary>
/// Clear messages.
/// </summary>
/// <param name="level"></param>
public void Clear(FeedbackMessage.FeedbackMessageLevel level)
{
GetOrNewFeedbackMessages(level).Clear();
}
/// <summary>
/// Gets feedback messages as readonly.
/// </summary>
/// <param name="level"></param>
/// <returns></returns>
public IList <FeedbackMessage> GetFeedbackMessages(FeedbackMessage.FeedbackMessageLevel level)
{
var messages = GetOrNewFeedbackMessages(level);
return(messages.AsReadOnly());
}
