Shared queue distribution of messages

broker/options.go

@@ -9,6 +9,10 @@ type SubscribeOptions struct {
 	AutoAck bool
 	// NumHandlers defaults to 1
 	NumHandlers int
+	// Subscribers with the same queue name
+	// will create a shared subscription where each
+	// receives a subset of messages.
+	Queue string
 }
 
 type Option func(*Options)
@@ -33,6 +37,12 @@ func NumHandlers(i int) SubscribeOption {
 	}
 }
 
+func QueueName(name string) SubscribeOption {
+	return func(o *SubscribeOptions) {
+		o.Queue = name
+	}
+}
+
 func newSubscribeOptions(opts ...SubscribeOption) SubscribeOptions {
 	opt := SubscribeOptions{
 		AutoAck:     true,