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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.kafka.annotation.KafkaHandler;
import org.springframework.kafka.annotation.KafkaListener;
import org.springframework.stereotype.Service;

import java.util.concurrent.CountDownLatch;

@Service
@KafkaListener(topics = "orders", groupId = "order-service")
public class KafkaConsumer {
    private final CountDownLatch countDownLatch = new CountDownLatch(1);

    @KafkaHandler
    public void receiveString(String message) {
        System.out.println("Receiving message = " + message);
        countDownLatch.countDown();
    }

    public CountDownLatch getCountDownLatch() {
        return countDownLatch;
    }
}