/// <summary>
/// Adds to the routing table
/// </summary>
/// <typeparam name="TTopic">Topic message type</typeparam>
/// <typeparam name="TSubscriber">Transport specific <see cref="ISubscriber"/> type</typeparam>
/// <param name="address"><see cref="IAddress"/> of the remote <see cref="IPublisher"/> for this
/// <see cref="ISubscriber"/></param>
public void AddTopicRouting <TTopic, TSubscriber>(IAddress address)
where TSubscriber : ISubscriber
{
if (address is null)
{
throw new ArgumentNullException(nameof(address));
}
var topicType = typeof(TTopic);
if (topicType.GetCustomAttribute <TopicAttribute>() is null)
{
throw new MissingAttributeException(topicType, typeof(TopicAttribute));
}
var newRouting = SubscriberRouting.For <TSubscriber>(address);
if (routingTable.TryGetValue(topicType, out var existingRouting))
{
if (newRouting.Address.Equals(existingRouting.Address))
{
return;
}
else
{
throw new RoutingAlreadyRegisteredException <SubscriberRouting>(newRouting, existingRouting);
}
}
routingTable.Add(topicType, newRouting);
}
/// <summary> /// TryGets a <see cref="SubscriberRouting"/> from the topic message type /// </summary> /// <typeparam name="TTopic">Topic message type</typeparam> /// <param name="routing">Outs a matching <see cref="SubscriberRouting"/> for the topic message type if the /// <see cref="TopicRouter"/> has one added</param> /// <returns>True if the <see cref="TopicRouter"/> has a <see cref="SubscriberRouting"/> for the topic message /// type; otherwise false</returns> public bool RoutingFor <TTopic>(out SubscriberRouting routing) => routingTable.TryGetValue(typeof(TTopic), out routing);
