Add spring Kafka sample project (#269)

hippo4j-example/hippo4j-spring-boot-starter-adapter-kafka-example/pom.xml

@@ -0,0 +1,56 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>cn.hippo4j</groupId>
+        <artifactId>hippo4j-example</artifactId>
+        <version>${revision}</version>
+    </parent>
+    <artifactId>hippo4j-spring-boot-starter-adapter-kafka-example</artifactId>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-json</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>cn.hippo4j</groupId>
+            <artifactId>hippo4j-spring-boot-starter-adapter-kafka</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>cn.hippo4j</groupId>
+            <artifactId>hippo4j-spring-boot-starter</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>cn.hippo4j</groupId>
+            <artifactId>hippo4j-example-core</artifactId>
+            <version>${revision}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.kafka</groupId>
+            <artifactId>spring-kafka</artifactId>
+        </dependency>
+    </dependencies>
+</project>

hippo4j-example/hippo4j-spring-boot-starter-adapter-kafka-example/src/main/java/cn/hippo4j/springboot/starter/adapter/kafka/example/Hippo4jAdapterKafkaExampleApplication.java

@@ -0,0 +1,14 @@
+package cn.hippo4j.springboot.starter.adapter.kafka.example;
+
+import cn.hippo4j.core.enable.EnableDynamicThreadPool;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+@EnableDynamicThreadPool
+public class Hippo4jAdapterKafkaExampleApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(Hippo4jAdapterKafkaExampleApplication.class, args);
+    }
+}

hippo4j-example/hippo4j-spring-boot-starter-adapter-kafka-example/src/main/java/cn/hippo4j/springboot/starter/adapter/kafka/example/consumer/KafkaMessageConsumer.java

@@ -0,0 +1,26 @@
+package cn.hippo4j.springboot.starter.adapter.kafka.example.consumer;
+
+import lombok.extern.slf4j.Slf4j;
+import org.apache.kafka.clients.consumer.ConsumerRecord;
+import org.springframework.kafka.annotation.KafkaListener;
+import org.springframework.kafka.support.Acknowledgment;
+import org.springframework.kafka.support.KafkaHeaders;
+import org.springframework.messaging.handler.annotation.Header;
+import org.springframework.stereotype.Component;
+
+import java.util.Optional;
+
+/**
+ * Kafka message consumer.
+ */
+@Slf4j
+@Component
+public class KafkaMessageConsumer {
+
+    @KafkaListener(topics = "kafka_message_hippo4j", groupId = "hippo4j")
+    public void onMessage(ConsumerRecord<?, ?> record, Acknowledgment ack, @Header(KafkaHeaders.RECEIVED_TOPIC) String topic) {
+        Optional message = Optional.ofNullable(record.value());
+        message.ifPresent(each -> log.info(each.toString()));
+        ack.acknowledge();
+    }
+}

hippo4j-example/hippo4j-spring-boot-starter-adapter-kafka-example/src/main/java/cn/hippo4j/springboot/starter/adapter/kafka/example/produce/KafkaMessageProduce.java

@@ -0,0 +1,39 @@
+package cn.hippo4j.springboot.starter.adapter.kafka.example.produce;
+
+import cn.hippo4j.common.toolkit.JSONUtil;
+import cn.hippo4j.example.core.dto.SendMessageDTO;
+import lombok.AllArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.kafka.core.KafkaTemplate;
+import org.springframework.stereotype.Component;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.UUID;
+
+/**
+ * Kafka message produce.
+ */
+@Slf4j
+@Component
+@RestController
+@AllArgsConstructor
+public class KafkaMessageProduce {
+
+    private final KafkaTemplate kafkaTemplate;
+
+    private final String TOPIC = "kafka_message_hippo4j";
+
+    @GetMapping("/message/send")
+    public String sendMessage(Integer count) {
+        for (int i = 0; i < count; i++) {
+            String keys = UUID.randomUUID().toString();
+            SendMessageDTO payload = SendMessageDTO.builder()
+                    .receiver("156011xxx91")
+                    .uid(keys)
+                    .build();
+            kafkaTemplate.send(TOPIC, JSONUtil.toJSONString(payload));
+        }
+        return "success";
+    }
+}

hippo4j-example/hippo4j-spring-boot-starter-adapter-kafka-example/src/main/resources/application.properties

@@ -0,0 +1,23 @@
+server.port=8092
+
+spring.profiles.active=dev
+spring.dynamic.thread-pool.server-addr=http://localhost:6691
+spring.dynamic.thread-pool.namespace=prescription
+spring.dynamic.thread-pool.item-id=dynamic-threadpool-example
+spring.dynamic.thread-pool.username=admin
+spring.dynamic.thread-pool.password=123456
+
+spring.kafka.bootstrap-servers=127.0.0.1:9092
+spring.kafka.producer.retries=0
+spring.kafka.producer.batch-size=16384
+spring.kafka.producer.buffer-memory=33554432
+spring.kafka.producer.key-serializer=org.apache.kafka.common.serialization.StringSerializer
+spring.kafka.producer.value-serializer=org.apache.kafka.common.serialization.StringSerializer
+spring.kafka.producer.acks=1
+spring.kafka.consumer.auto-offset-reset=latest
+spring.kafka.consumer.enable-auto-commit=false
+spring.kafka.consumer.key-deserializer=org.apache.kafka.common.serialization.StringDeserializer
+spring.kafka.consumer.value-deserializer=org.apache.kafka.common.serialization.StringDeserializer
+spring.kafka.listener.concurrency=2
+spring.kafka.listener.ack-mode=manual_immediate
+spring.kafka.listener.missing-topics-fatal=false

hippo4j-example/pom.xml

@@ -7,19 +7,16 @@
         <artifactId>hippo4j-all</artifactId>
         <version>${revision}</version>
     </parent>
-
     <artifactId>hippo4j-example</artifactId>
     <packaging>pom</packaging>
 
-    <name>${project.artifactId}</name>
-    <description>${project.artifactId}</description>
-
     <modules>
         <module>hippo4j-example-core</module>
         <module>hippo4j-spring-boot-starter-example</module>
         <module>hippo4j-core-nacos-spring-boot-starter-example</module>
         <module>hippo4j-core-apollo-spring-boot-starter-example</module>
         <module>hippo4j-core-zookeeper-spring-boot-starter-example</module>
+        <module>hippo4j-spring-boot-starter-adapter-kafka-example</module>
         <module>hippo4j-spring-boot-starter-adapter-rabbitmq-example</module>
         <module>hippo4j-spring-boot-starter-adapter-spring-cloud-stream-rocketmq-example</module>
         <module>hippo4j-spring-boot-starter-adapter-rocketmq-example</module>