1 /* 2 * Copyright 2016 The Lannister Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package net.anyflow.lannister.plugin; 18 19 import io.netty.handler.codec.mqtt.MqttQoS; 20 21 public interface ITopicSubscription { 22 23 String clientId(); 24 25 String topicFilter(); 26 27 MqttQoS qos(); 28 29 default String log() { 30 return (new StringBuilder()).append("clientId=").append(clientId()).append("topicFilter=").append(topicFilter()) 31 .append(", qos=").append(qos()).toString(); 32 } 33 }