public IDispatcher RegisterConsumer <T>(IMesssageConsumer <T> consumer)
{
var consumerType = consumer.GetType();
var messageType = typeof(T);
logger.Information("starting: adding consumer {0} for type {1}", consumerType.ToString(), messageType.ToString());
addConsumer(consumer, messageType);
addConsumerToDispose(consumer, consumerType.ToString());
logger.Information("finished: adding consumer {0} for type {1}", consumerType.ToString(), messageType.ToString());
return(this);
}
private void addConsumerToDispose <T>(IMesssageConsumer <T> consumer, string type)
{
if (consumerSet.All(i => i != consumer))
{
consumerSet.Add(consumer);
consumersToDispose.Add(() => {
try {
logger.Information(string.Format("starting: disposing message consumer, {0}", type));
consumer.Dispose();
logger.Information(string.Format("finished: disposing message consumer, {0}", type));
} catch (Exception ex) {
logger.Error("An error occurred when disposing {0}. Error={1}", type, ex.ToString());
}
});
}
}
private void addConsumer <T>(IMesssageConsumer <T> consumer, Type messageType)
{
if (!consumers.ContainsKey(messageType))
{
consumers.Add(messageType, new List <Action <object> >());
}
consumers[messageType].Add(async(object input) => {
var json = JsonConvert.SerializeObject(input);
try {
logger.Information(string.Format("starting: Processing message: {0}", json));
await consumer.ConsumeMessage((T)input);
logger.Information(string.Format("finished: Processing message: {0}", json));
} catch (Exception ex) {
logger.Error(string.Format("Error when processing message <<{0}>> with error <<{1}>>", json, ex.ToString()));
}
});
}