func (ir *IronRunner) Consume(name string, messages int) {
q := mq.New(name)
_, err := q.PopN(messages)
if err != nil {
log.Println(err)
}
}
func ExampleQueue_Upsert() error {
// Prepare a Queue from configs
q := mq.New("my_queue")
// Upsert will create the queue on the server or update its message_timeout
// to 120 if it already exists.
// Let's just make sure we don't have a queue, because we can.
if _, err := q.Info(); mq.ErrQueueNotFound(err) {
_, err := q.Update(mq.QueueInfo{MessageTimeout: 120}) // ok, we'll make one.
if err != nil {
return err
}
}
// Definitely exists now.
// Let's just add some messages.
_, err := q.PushStrings("msg1", "msg2")
if err != nil {
return err
}
msgs, err := q.Peek()
if len(msgs) != 2 {
// and it has messages already...
}
return nil
}
func (ir *IronRunner) Produce(name, body string, messages int) {
q := mq.New(name)
msgs := make([]string, messages)
for i := 0; i < messages; i++ {
msgs[i] = body
}
_, err := q.PushStrings(msgs...)
if err != nil {
log.Println(err)
}
}
// CreateIronQueue creates and returns Iron.io queue
func CreateIronQueue(name string) (*mq.Queue, error) {
subscribers := []mq.QueueSubscriber{}
subscription := mq.PushInfo{
Retries: 3,
RetriesDelay: 60,
ErrorQueue: "error_queue",
Subscribers: subscribers,
}
queue_type := "push"
queueInfo := mq.QueueInfo{Type: queue_type, MessageExpiration: 60, MessageTimeout: 56, Push: &subscription}
_, err := mq.CreateQueue(name, queueInfo)
if err != nil {
return nil, err
}
queue := mq.New(name)
return &queue, nil
}
func ExampleQueue() {
// Standard way of using a queue will be to just start pushing or
// getting messages, q.Upsert isn't necessary unless you explicitly
// need to create a queue with custom settings.
q := mq.New("my_queue2")
// Simply pushing messages will create a queue if it doesn't exist, with defaults.
msgs, err := q.PushStrings("msg1", "msg2")
if err != nil {
return err
}
msgs, err := q.GetN(2)
if err != nil {
return err
}
if len(msgs) != 2 {
return errors.New("not good")
}
}
