com.example.demo.kafka.KafkaConfiguration Maven / Gradle / Ivy

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Demo project for Spring Boot

There is a newer version: 1.0

/*
 *   Copyright 2019 IBM Corporation.
 *
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 */
package com.example.demo.kafka;

import org.springframework.boot.CommandLineRunner;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.kafka.core.KafkaOperations;

import java.util.UUID;

@Configuration
public class KafkaConfiguration {

    @Bean
    public CommandLineRunner kafkaCommandLineRunner(KafkaOperations kafkaOperations, KafkaConsumer kafkaConsumer) {
        return args -> {
            String data = "testData:" + UUID.randomUUID();
            System.out.println("Sending message to kafka = " + data);
            kafkaOperations.send("orders", data);
            kafkaConsumer.getCountDownLatch().await();
        };
    }
}