/// <summary>
/// Metadata of the message subscription
/// </summary>
public MessageSubscription(
MessageSubscriptionOptions <TMessage> options,
IReadOnlyCollection <IMessageFilter> globalFilters)
{
_options = options ?? throw new ArgumentNullException(nameof(options));
_globalFilters = globalFilters ?? throw new ArgumentNullException(nameof(globalFilters));
}
/// <inheritdoc />
public MessageSubscriptionsRegistry Handle <TMessage, TState>(Action <IMessageSubscriptionOptions <TMessage, TState> > configureSubscription)
where TMessage : class
{
if (configureSubscription == null)
{
throw new ArgumentNullException(nameof(configureSubscription));
}
var messageType = typeof(TMessage);
var subscriptionOptions = new MessageSubscriptionOptions <TMessage, TState>(messageType.Name);
configureSubscription.Invoke(subscriptionOptions);
if (subscriptionOptions.HandlerType == null)
{
throw new InvalidOperationException($"Handler is not registered for the message {messageType.Name}.");
}
_subscriptions = _subscriptions.Add(messageType.Name, new MessageSubscription <TMessage, TState>(subscriptionOptions, _globalFilters));
return(this);
}