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feat : upgrade to spring boot 3.4 and polish tc config (#606)
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* feat : upgrade to spring boot 3.4 and polish tc config

* feat : improve

* Update confluent version

* Update pom.xml

* let spring boot manage container lifecycle
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rajadilipkolli authored Dec 7, 2024
1 parent 5f6bb9f commit a9129e9
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Showing 16 changed files with 247 additions and 319 deletions.
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*/
package com.example.springbootkafkaavro.model;

import org.apache.avro.generic.GenericArray;
import org.apache.avro.specific.SpecificData;
import org.apache.avro.util.Utf8;
import org.apache.avro.message.BinaryMessageEncoder;
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16 changes: 3 additions & 13 deletions kafka-avro/spring-boot-kafka-avro-consumer/pom.xml
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<artifactId>h2</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<optional>true</optional>
</dependency>

<dependency>
<groupId>org.apache.avro</groupId>
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<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.kafka</groupId>
<artifactId>spring-kafka-test</artifactId>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-testcontainers</artifactId>
<scope>test</scope>
</dependency>
<dependency>
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<artifactId>kafka</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.awaitility</groupId>
<artifactId>awaitility</artifactId>
<scope>test</scope>
</dependency>
</dependencies>

<build>
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<configuration>
<java>
<googleJavaFormat>
<version>1.19.2</version>
<version>1.25.0</version>
<style>AOSP</style>
</googleJavaFormat>
</java>
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import jakarta.persistence.GenerationType;
import jakarta.persistence.Id;
import jakarta.persistence.Table;
import lombok.AllArgsConstructor;
import lombok.Getter;
import lombok.NoArgsConstructor;
import lombok.Setter;

@Entity
@Table(name = "person_entity")
@Setter
@Getter
@AllArgsConstructor
@NoArgsConstructor
public class PersonEntity {

@Id
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private String name;

private Integer age;

public PersonEntity() {}

public Integer getAge() {
return age;
}

public PersonEntity setAge(Integer age) {
this.age = age;
return this;
}

public Long getId() {
return id;
}

public PersonEntity setId(Long id) {
this.id = id;
return this;
}

public String getName() {
return name;
}

public PersonEntity setName(String name) {
this.name = name;
return this;
}
}
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import com.example.springbootkafkaavro.model.Person;
import com.example.springbootkafkaavro.repository.PersonRepository;
import com.example.springbootkafkaavro.util.ApplicationConstants;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.apache.kafka.clients.consumer.ConsumerRecord;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.kafka.annotation.KafkaListener;
import org.springframework.stereotype.Component;

@Slf4j
@Component
@RequiredArgsConstructor
public class AvroKafkaListener {

private static final Logger log = LoggerFactory.getLogger(AvroKafkaListener.class);
private final PersonRepository personRepository;

public AvroKafkaListener(PersonRepository personRepository) {
this.personRepository = personRepository;
}

@KafkaListener(topics = ApplicationConstants.PERSONS_TOPIC, groupId = "group_id")
public void handler(ConsumerRecord<String, Person> personConsumerRecord) {
Person person = personConsumerRecord.value();
log.info("Person received : {} : {} ", person.getName(), person.getAge());
PersonEntity personEntity =
new PersonEntity(null, person.getName().toString(), person.getAge());
new PersonEntity().setName(person.getName().toString()).setAge(person.getAge());
this.personRepository.save(personEntity);
}
}
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package com.example.springbootkafkaavro.util;

import lombok.experimental.UtilityClass;

@UtilityClass
public class ApplicationConstants {

public static final String PERSONS_TOPIC = "persons";
public interface ApplicationConstants {
String PERSONS_TOPIC = "persons";
}
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package com.example.springbootkafkaavro;

import static java.util.concurrent.TimeUnit.SECONDS;
import static org.assertj.core.api.Assertions.assertThat;
import static org.awaitility.Awaitility.await;

import com.example.springbootkafkaavro.common.KafkaContainersConfig;
import com.example.springbootkafkaavro.model.Person;
import com.example.springbootkafkaavro.repository.PersonRepository;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.context.annotation.Import;
import org.springframework.test.web.servlet.MockMvc;

@SpringBootTest(
properties = {
"spring.kafka.producer.key-serializer=org.apache.kafka.common.serialization.StringSerializer",
"spring.kafka.producer.value-serializer=io.confluent.kafka.serializers.KafkaAvroSerializer"
},
classes = {KafkaContainersConfig.class})
@AutoConfigureMockMvc
@Import(KafkaProducer.class)
class ApplicationIntTests {

@Autowired MockMvc mockMvc;
@Autowired PersonRepository personRepository;
@Autowired KafkaProducer kafkaProducer;

@Test
void contextLoads() {
Person person = new Person();
person.setAge(33);
person.setName("junit");
this.kafkaProducer.sendMessage(person);
await().atMost(10, SECONDS)
.untilAsserted(() -> assertThat(personRepository.count()).isEqualTo(1));
}
}
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import com.example.springbootkafkaavro.model.Person;
import com.example.springbootkafkaavro.util.ApplicationConstants;
import lombok.RequiredArgsConstructor;
import org.springframework.boot.test.context.TestComponent;
import org.springframework.kafka.core.KafkaTemplate;

@TestComponent
@RequiredArgsConstructor
public class KafkaProducer {

private final KafkaTemplate<String, Person> kafkaTemplate;

public KafkaProducer(KafkaTemplate<String, Person> kafkaTemplate) {
this.kafkaTemplate = kafkaTemplate;
}

public void sendMessage(Person person) {
this.kafkaTemplate.send(
ApplicationConstants.PERSONS_TOPIC, person.getName().toString(), person);
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package com.example.springbootkafkaavro;

import com.example.springbootkafkaavro.common.KafkaContainersConfig;
import org.springframework.boot.SpringApplication;

class TestSpringBootKafkaAvroConsumerApplication {

public static void main(String[] args) {
SpringApplication.from(SpringBootKafkaAvroConsumerApplication::main)
.with(KafkaContainersConfig.class)
.run(args);
}
}
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