public void Subscribe <TDomainEvent>(string database, string channel,
Action <TDomainEvent> handler)
where TDomainEvent : IDomainEvent
{
if (string.IsNullOrWhiteSpace(channel))
{
throw new ArgumentException("Channel not specified.", nameof(channel));
}
if (handler == null)
{
throw new ArgumentNullException(nameof(handler));
}
var subscriber = _connModule.GetSubscriber(database);
subscriber.Subscribe(channel, (onChannel, message) =>
{
var messageParts = ChannelMessageEncoder.UnPack(message);
TDomainEvent domainEvent = _serializationMgr.Deserialize <TDomainEvent>(
messageParts.contentType,
messageParts.messageData);
LogReceivedDomainEvent(database, channel, domainEvent);
handler(domainEvent);
});
}
// Returns a named instance of the service used to subscribe to // Redis messages published to the database. public ISubscriber GetSubscriber(string name) => _connModule.GetSubscriber(name);