// Connect connects to SQS discovering SQS URL for a given queue name.
func Connect(session *session.Session, queueName string) (SQSInterface, error) {
s := sqs.New(session)
gq := &sqs.GetQueueUrlInput{
QueueName: &queueName,
}
resp, err := s.GetQueueUrl(gq)
if err != nil {
return nil, err
}
psqs := &NiceSQS{
Sqs: s,
queueUrl: resp.QueueUrl,
sema: nsync.NewSemaphore(DefaultParallelRequestsLimit),
}
return psqs, nil
}
// CreateQueue creates a queue with the specific name and user defined options.
func CreateQueue(session *session.Session, queueName string, opts *SQSOptions) (SQSInterface, error) {
s := sqs.New(session)
cqi := &sqs.CreateQueueInput{
QueueName: &queueName,
}
if opts != nil {
cqi.Attributes = opts.toOptionsMap()
}
resp, err := s.CreateQueue(cqi)
if err != nil {
return nil, err
}
return &NiceSQS{
Sqs: s,
queueUrl: resp.QueueUrl,
sema: nsync.NewSemaphore(DefaultParallelRequestsLimit),
}, nil
}
// SetParallelLimit sets a goroutine limit that can be used to
// do concurrent SQS requests.
// If you change a limit, make sure there are no other goroutines
// running, otherwise it will cause panic.
func (this *NiceSQS) SetParallelLimit(limit int) *NiceSQS {
this.sema = nsync.NewSemaphore(limit)
return this
}