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message.go
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message.go
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package pulsar
import (
"github.com/apache/pulsar-client-go/pulsar"
"go.opentelemetry.io/otel/propagation"
)
var _ propagation.TextMapCarrier = (*ProducerMessageCarrier)(nil)
var _ propagation.TextMapCarrier = (*ConsumerMessageCarrier)(nil)
type ProducerMessageCarrier struct {
msg *pulsar.ProducerMessage
}
func NewProducerMessageCarrier(msg *pulsar.ProducerMessage) ProducerMessageCarrier {
return ProducerMessageCarrier{msg: msg}
}
func (c ProducerMessageCarrier) Get(key string) string {
if c.msg.Properties == nil {
return ""
}
return c.msg.Properties[key]
}
func (c ProducerMessageCarrier) Set(key, val string) {
if c.msg.Properties == nil {
c.msg.Properties = make(map[string]string)
}
c.msg.Properties[key] = val
}
func (c ProducerMessageCarrier) Keys() []string {
out := make([]string, len(c.msg.Properties))
var i = 0
for k, _ := range c.msg.Properties {
out[i] = k
i++
}
return out
}
type ConsumerMessageCarrier struct {
msg *pulsar.ConsumerMessage
}
func NewConsumerMessageCarrier(msg *pulsar.ConsumerMessage) ConsumerMessageCarrier {
return ConsumerMessageCarrier{msg: msg}
}
func (c ConsumerMessageCarrier) Get(key string) string {
if c.msg.Properties() == nil {
return ""
}
return c.msg.Properties()[key]
}
func (c ConsumerMessageCarrier) Set(key, val string) {
if c.msg.Properties() == nil {
return
}
c.msg.Properties()[key] = val
}
func (c ConsumerMessageCarrier) Keys() []string {
out := make([]string, len(c.msg.Properties()))
var i = 0
for k, _ := range c.msg.Properties() {
out[i] = k
i++
}
return out
}