KaneAI - World’s First E2E Software Testing Agent.Signup for Private Beta Join TestMu Conference

How to use consumeJSON method of kafka Package

Best Venom code snippet using kafka.consumeJSON

kafka.go

Source:kafka.go

...360		case <-h.done:361			return nil362		default:363		}364		consumeFunction := h.consumeJSON365		if h.withAVRO {366			consumeFunction = h.consumeAVRO367		}368		msg, msgJSON, err := consumeFunction(message)369		if err != nil {370			return err371		}372		// Pass filter373		if h.keyFilter != "" && msg.Key != h.keyFilter {374			venom.Info(ctx, "ignore message with key: %s", msg.Key)375			continue376		}377		h.mutex.Lock()378		// Check if message limit is hit *before* adding new message379		messagesLen := len(h.messages)380		if h.messageLimit > 0 && messagesLen >= h.messageLimit {381			h.mutex.Unlock()382			h.messageLimitReached(ctx)383			return nil384		}385		h.messages = append(h.messages, msg)386		h.messagesJSON = append(h.messagesJSON, msgJSON)387		h.mutex.Unlock()388		messagesLen++389		if h.markOffset {390			session.MarkMessage(message, "")391		}392		session.MarkMessage(message, "delivered")393		// Check if the message limit is hit394		if h.messageLimit > 0 && messagesLen >= h.messageLimit {395			h.messageLimitReached(ctx)396			return nil397		}398	}399	return nil400}401func (h *handler) messageLimitReached(ctx context.Context) {402	venom.Info(ctx, "message limit reached")403	// Signal to other handler goroutines that they should stop consuming messages.404	// Only checking the message length isn't enough in case of filtering by key and never reaching the check.405	// Using sync.Once to prevent panics from multiple channel closings.406	h.once.Do(func() { close(h.done) })407}408func (h *handler) consumeJSON(message *sarama.ConsumerMessage) (Message, interface{}, error) {409	msg := Message{410		Topic: message.Topic,411		Key:   string(message.Key),412		Value: string(message.Value),413	}414	msgJSON := MessageJSON{415		Topic: message.Topic,416	}417	convertFromMessage2JSON(&msg, &msgJSON)418	return msg, msgJSON, nil419}420func (h *handler) consumeAVRO(message *sarama.ConsumerMessage) (Message, interface{}, error) {421	msg := Message{422		Topic: message.Topic,...

consumeJSON

Using AI Code Generation

1import (2func main() {3	c, err := kafka.NewConsumer(&kafka.ConfigMap{4	})5	if err != nil {6		panic(err)7	}8	c.SubscribeTopics([]string{"myTopic"}, nil)9	for {10		msg, err := c.ReadMessage(-1)11		if err == nil {12			fmt.Printf("Message on %s: %s13", msg.TopicPartition, string(msg.Value))14		} else {15			fmt.Printf("Consumer error: %v (%v)16		}17	}18	c.Close()19}20import (21func main() {22	p, err := kafka.NewProducer(&kafka.ConfigMap{"bootstrap.servers": "localhost"})23	if err != nil {24		panic(err)25	}26	deliveryChan := make(chan kafka.Event)27	for _, word := range []string{"Welcome", "to", "the", "Confluent", "Kafka", "Golang", "client"} {28		msg := &kafka.Message{29			TopicPartition: kafka.TopicPartition{Topic: &topic, Partition: kafka.PartitionAny},30			Value:          []byte(word),31		}32		p.Produce(msg, deliveryChan)33	}34	m := e.(*kafka.Message)35	if m.TopicPartition.Error != nil {36		fmt.Printf("Delivery failed: %v37	} else {38		fmt.Printf("Delivered message to topic %s [%d] at offset %v

consumeJSON

Using AI Code Generation

1import (2func main() {3	config := sarama.NewConfig()4	brokers := []string{"localhost:9092"}5	topics := []string{"test"}6	consumer, err := sarama.NewConsumer(brokers, config)7	if err != nil {8		panic(err)9	}10	for _, topic := range topics {11		partitionConsumer, err := consumer.ConsumePartition(topic, 0, sarama.OffsetNewest)12		if err != nil {13			panic(err)14		}15		defer partitionConsumer.AsyncClose()16		for {17			select {18			case msg := <-partitionConsumer.Messages():19				fmt.Println("Message: ", string(msg.Value))20			case err := <-partitionConsumer.Errors():21				fmt.Println("Error: ", err)22			}23		}24	}25}26Message:  {"name": "John Doe", "age": 25, "address": {"street": "Main St", "city": "New York City", "state": "NY", "zip": "10001"}}27Message:  {"name": "Jane Doe", "age": 24, "address": {"street": "Main St", "city": "New York City", "state": "NY", "zip": "10001"}}

consumeJSON

Using AI Code Generation

1import (2func main() {3	r := kafka.NewReader(kafka.ReaderConfig{4		Brokers: []string{"localhost:9092"},5	})6	for {7		m, err := r.ReadMessage(context.Background())8		if err != nil {9		}10		fmt.Printf("message at offset %d: %s = %s11", m.Offset, string(m.Key), string(m.Value))12	}13	batches := r.ReadBatches(10e3, time.Duration(1*time.Second))14	for {15		if batch == nil {16		}17		for _, m := range batch.Messages {18			fmt.Printf("message at offset %d: %s = %s19", m.Offset, string(m.Key), string(m.Value))20		}21		batch.CommitMessages(context.Background())22	}23	m, err := r.FetchMessage(context.Background())24	if err != nil {25		log.Fatal("failed to fetch message:", err)26	}27	fmt.Printf("message at offset %d: %s = %s28", m.Offset, string(m.Key), string(m.Value))29	r.CommitMessages(context.Background(), m)30	r.Close()31}32import (33func main() {34	w := kafka.NewWriter(kafka.WriterConfig{35		Brokers:  []string{"localhost:9092"},36		Balancer: &kafka.LeastBytes{},37	})38	err := w.WriteMessages(context.Background(),39		kafka.Message{40			Key:   []byte("Key-A"),41			Value: []byte("Hello World!"),42		},43	if err != nil {44		log.Fatal("failed to write messages:", err)45	}

consumeJSON

Using AI Code Generation

1import (2func main() {3	consumer, err := sarama.NewConsumer([]string{"localhost:9092"}, nil)4	if err != nil {5		log.Fatal(err)6	}7	defer consumer.Close()8	partitionConsumer, err := consumer.ConsumePartition("my_topic", 0, sarama.OffsetOldest)9	if err != nil {10		log.Fatal(err)11	}12	defer partitionConsumer.Close()13	for msg := range partitionConsumer.Messages() {14		fmt.Println(string(msg.Value))15	}16}17import (18func main() {19	consumer, err := sarama.NewConsumer([]string{"localhost:9092"}, nil)20	if err != nil {21		log.Fatal(err)22	}23	defer consumer.Close()24	partitionConsumer, err := consumer.ConsumePartition("my_topic", 0, sarama.OffsetOldest)25	if err != nil {26		log.Fatal(err)27	}28	defer partitionConsumer.Close()29	for msg := range partitionConsumer.Messages() {30		fmt.Println(string(msg.Value))31	}32}33import (34func main() {35	consumer, err := sarama.NewConsumer([]string{"localhost:9092"}, nil)36	if err != nil {37		log.Fatal(err)38	}39	defer consumer.Close()40	partitionConsumer, err := consumer.ConsumePartition("my_topic", 0, sarama.OffsetOldest)41	if err != nil {42		log.Fatal(err)43	}44	defer partitionConsumer.Close()45	for msg := range partitionConsumer.Messages() {46		fmt.Println(string(msg.Value))47	}48}49import (

consumeJSON

Using AI Code Generation

1import (2func main() {3	brokers := []string{"localhost:9092"}4	consumer, err := sarama.NewConsumer(brokers, nil)5	if err != nil {6		panic(err)7	}8	partitionConsumer, err := consumer.ConsumePartition(topic, 0, sarama.OffsetNewest)9	if err != nil {10		panic(err)11	}12	for message := range partitionConsumer.Messages() {13		fmt.Println(string(message.Value))14	}15}16{"name":"test","age":20}17{"name":"test1","age":21}18{"name":"test2","age":22}19{"name":"test3","age":23}20{"name":"test4","age":24}21{"name":"test5","age":25}22{"name":"test6","age":26}23{"name":"test7","age":27}24{"name":"test8","age":28}25{"name":"test9","age":29}

consumeJSON

Using AI Code Generation

1func main() {2    kafka := kafka.New()3    kafka.ConsumeJSON()4}5func (k *Kafka) ConsumeJSON() {6}7func (k *Kafka) ConsumeJSON() {8}9func (k *Kafka) ConsumeJSON() {10}11func (k *Kafka) ConsumeJSON() {12}13func (k *Kafka) ConsumeJSON() {14}15func (k *Kafka) ConsumeJSON() {16}17func (k *Kafka) ConsumeJSON() {18}19func (k *Kafka) ConsumeJSON() {20}21func (k *Kafka) ConsumeJSON() {22}23func (k *Kafka) ConsumeJSON() {24}25func (k *Kafka) ConsumeJSON()

consumeJSON

Using AI Code Generation

1func main() {2    kafka := kafka.NewKafka()3    kafka.ConsumeJSON()4}5import (6type Kafka struct {7}8func NewKafka() *Kafka {9    return &Kafka{10        config: viper.New(),11    }12}13func (k *Kafka) ConsumeJSON() {14    k.config.SetConfigName("config")15    k.config.AddConfigPath(".")16    err := k.config.ReadInConfig()17    if err != nil {18        fmt.Println("Error reading config file, %s", err)19    }20    kafkaBrokers := k.config.GetString("kafka.brokers")21    kafkaGroup := k.config.GetString("kafka.group")22    kafkaTopics := k.config.GetString("kafka.topics")23    topics := strings.Split(kafkaTopics, ",")24    config := cluster.NewConfig()25    consumer, err := cluster.NewConsumer(strings.Split(kafkaBrokers, ","), kafkaGroup, topics, config)26    if err != nil {27        glog.Fatalf("Error creating consumer: %v", err)28    }29    defer consumer.Close()30    go func() {31        for ntf := range consumer.Notifications() {32            glog.Infof("Rebalanced: %+v", ntf)33        }34    }()

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.