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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    }()

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