| /* |
| * 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.iotdb.mqtt; |
| |
| import org.fusesource.mqtt.client.BlockingConnection; |
| import org.fusesource.mqtt.client.MQTT; |
| import org.fusesource.mqtt.client.QoS; |
| |
| import java.util.Random; |
| |
| public class MQTTClient { |
| public static void main(String[] args) throws Exception { |
| MQTT mqtt = new MQTT(); |
| mqtt.setHost("127.0.0.1", 1883); |
| mqtt.setUserName("root"); |
| mqtt.setPassword("root"); |
| |
| BlockingConnection connection = mqtt.blockingConnection(); |
| connection.connect(); |
| |
| Random random = new Random(); |
| for (int i = 0; i < 10; i++) { |
| String payload = |
| String.format( |
| "{\n" |
| + "\"device\":\"root.sg.d1\",\n" |
| + "\"timestamp\":%d,\n" |
| + "\"measurements\":[\"s1\"],\n" |
| + "\"values\":[%f]\n" |
| + "}", |
| System.currentTimeMillis(), random.nextDouble()); |
| |
| connection.publish("root.sg.d1.s1", payload.getBytes(), QoS.AT_LEAST_ONCE, false); |
| } |
| |
| connection.disconnect(); |
| } |
| } |