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subscriber.go
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subscriber.go
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package pulsar
import (
"sync"
"github.com/apache/pulsar-client-go/pulsar"
"github.com/tx7do/kratos-transport/broker"
)
type subscriber struct {
sync.RWMutex
r *pulsarBroker
topic string
options broker.SubscribeOptions
handler broker.Handler
reader pulsar.Consumer
closed bool
channel chan pulsar.ConsumerMessage
done chan struct{}
}
func (s *subscriber) Options() broker.SubscribeOptions {
s.RLock()
defer s.RUnlock()
return s.options
}
func (s *subscriber) Topic() string {
s.RLock()
defer s.RUnlock()
return s.topic
}
func (s *subscriber) Unsubscribe(removeFromManager bool) error {
s.Lock()
defer s.Unlock()
close(s.channel)
var err error
if s.reader != nil {
err = s.reader.Unsubscribe()
s.reader.Close()
}
s.closed = true
if s.r != nil && s.r.subscribers != nil && removeFromManager {
_ = s.r.subscribers.RemoveOnly(s.topic)
}
return err
}
func (s *subscriber) IsClosed() bool {
s.RLock()
defer s.RUnlock()
return s.closed
}