/// <summary>
/// Explicitly converts from a <see cref="MessageStore{T}"/> to the encapsulated <see cref="Message"/>.
/// </summary>
/// <param name="store">The store to convert.</param>
/// <returns>The encapsulated message.</returns>
public static T FromMessageStore(MessageStore <T> store) => store?.message;
/// <summary>
/// Used to get a message from the message dictionaries.
/// </summary>
/// <param name="domain">The message domain to get the message for.</param>
/// <param name="messagePool">The dictionary for the specific message type.</param>
/// <param name="message">The message for the domain.</param>
/// <typeparam name="T">The type of the message.</typeparam>
/// <returns><c>true</c> if the dictionary contains a message for the specific domain; otherwise <c>false</c>.</returns>
/// <exception cref="ArgumentNullException">If the dictionary is null.</exception>
protected bool TryGetMessageFittingDomain <T>(MessageDomain domain, ConcurrentDictionary <MessageDomain, MessageStore <T> > messagePool, out MessageStore <T> message)
where T : Message
{
if (messagePool == null)
{
throw new ArgumentNullException(nameof(messagePool));
}
MessageDomain current = domain;
while (current != null)
{
if (messagePool.TryGetValue(current, out message))
{
return(true);
}
current = current.Parent;
}
message = null;
return(false);
}