com.infusers.core.email.kafka.KafkaConsumerConfig Maven / Gradle / Ivy

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Infusers api core
There is a newer version: 2024.12.0008
/*package com.infusers.core.email.kafka;

import org.apache.kafka.clients.consumer.ConsumerConfig;
import org.apache.kafka.common.serialization.StringDeserializer;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.kafka.annotation.EnableKafka;
import org.springframework.kafka.config.ConcurrentKafkaListenerContainerFactory;
import org.springframework.kafka.core.ConsumerFactory;
import org.springframework.kafka.core.DefaultKafkaConsumerFactory;
import org.springframework.kafka.support.serializer.ErrorHandlingDeserializer;
import org.springframework.kafka.support.serializer.JsonDeserializer;

import com.infusers.core.email.EmailMessage;

import java.util.HashMap;
import java.util.Map;

@Configuration
@EnableKafka
public class KafkaConsumerConfig {

    @Value("${kafka.consumer.group-id}")
    private String groupId;		

    private final String bootstrapServers = "localhost:9092";
    private final long maxPollIntervalMs = 5000; // 5 seconds

    @Bean
    public ConsumerFactory consumerFactory() {
        Map props = new HashMap<>();
        props.put(ConsumerConfig.BOOTSTRAP_SERVERS_CONFIG, bootstrapServers);
        props.put(ConsumerConfig.GROUP_ID_CONFIG, groupId);
        props.put(ConsumerConfig.KEY_DESERIALIZER_CLASS_CONFIG, StringDeserializer.class);
        props.put(ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG, ErrorHandlingDeserializer.class);
        props.put(ErrorHandlingDeserializer.VALUE_DESERIALIZER_CLASS, JsonDeserializer.class);
        props.put(JsonDeserializer.TRUSTED_PACKAGES, "*"); // Adjust this based on your package structure
        props.put(JsonDeserializer.VALUE_DEFAULT_TYPE, EmailMessage.class.getName());
        props.put(ConsumerConfig.MAX_POLL_RECORDS_CONFIG, 1); // Ensure only one record is consumed at a time
        return new DefaultKafkaConsumerFactory<>(props);
    }

    @Bean
    public ConcurrentKafkaListenerContainerFactory kafkaListenerContainerFactory() {
        ConcurrentKafkaListenerContainerFactory factory =
                new ConcurrentKafkaListenerContainerFactory<>();
        factory.setConsumerFactory(consumerFactory());
        factory.getContainerProperties().setPollTimeout(maxPollIntervalMs); // Set poll timeout
        factory.getContainerProperties().setIdleEventInterval(maxPollIntervalMs); // Set idle event interval
        //factory.setErrorHandler(new SeekToCurrentErrorHandler()); // Add error handler to seek to the current offset on exception
        return factory;
    }
}*/