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add check consumer

This commit is contained in:
Nam Huynh 2022-03-18 10:49:07 +07:00
parent 52d1c4839f
commit f6d6b5afee
1 changed files with 6 additions and 1 deletions
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7
jetstream_pubsub.go
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@ -44,7 +44,12 @@ func (js JetStream) Subscribe(stream, subject string, cb nats.MsgHandler) (*nats
// // process each messages // // process each messages
// } // }
// //
func (js JetStream) PullSubscribe(subject, durable string) (*nats.Subscription, error) { func (js JetStream) PullSubscribe(stream, subject, durable, consumer string) (*nats.Subscription, error) {
// Check if consumer existed
con, err := js.instance.ConsumerInfo(stream, consumer)
fmt.Println("con", con)
fmt.Println("err", err)
sub, err := js.instance.PullSubscribe(subject, durable) sub, err := js.instance.PullSubscribe(subject, durable)
if err != nil { if err != nil {
msg := fmt.Sprintf("[NATS JETSTREAM] - pull subscribe subject #%s - durable #%s error: %s", subject, durable, err.Error()) msg := fmt.Sprintf("[NATS JETSTREAM] - pull subscribe subject #%s - durable #%s error: %s", subject, durable, err.Error())