| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.flink.playground.datagen; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** A basic data generator for continuously writing data into a Kafka topic. */ |
| public class DataGenerator { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(DataGenerator.class); |
| |
| private static final String KAFKA = "kafka:9092"; |
| |
| private static final String TOPIC = "transactions"; |
| |
| public static void main(String[] args) { |
| Producer producer = new Producer(KAFKA, TOPIC); |
| |
| Runtime.getRuntime() |
| .addShutdownHook( |
| new Thread( |
| () -> { |
| LOG.info("Shutting down"); |
| producer.close(); |
| })); |
| |
| producer.run(); |
| } |
| } |