ing

consumer-handler.go

@@ -4,6 +4,8 @@ import (
 	"fmt"
 	"strings"
 	"sync/atomic"
+
+	"github.com/segmentio/kafka-go"
 )
 
 type ConsumerHandler interface {
@@ -17,6 +19,8 @@ type ConsumerHandler interface {
 	OnStop(consumerCtx ConsumerCtx)
 	Destroy(consumerCtx ConsumerCtx)
 
+	OnMessage(msg *kafka.Message)
+
 	Validate() error
 }
 
@@ -47,6 +51,10 @@ func (ch *ConsumerHandlers) Destroy(consumerCtx ConsumerCtx) {
 
 }
 
+func (ch *ConsumerHandlers) OnMessage(msg *kafka.Message) {
+	fmt.Printf("message at topic/partition/offset %v/%v/%v: %s = %s\n", msg.Topic, msg.Partition, msg.Offset, string(msg.Key), string(msg.Value))
+}
+
 func (ch *ConsumerHandlers) GetName() string {
 	return ch.Name
 }

consumer.go

@@ -140,7 +140,7 @@ func (c *Consumer) handleReceive(stopChan <-chan struct{}, doneChan chan<- error
 			continue
 		}
 
-		fmt.Printf("message at topic/partition/offset %v/%v/%v: %s = %s\n", m.Topic, m.Partition, m.Offset, string(m.Key), string(m.Value))
+		c.ConsumerHandler.OnMessage(&m)
 	}
 
 }