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1   /*
2    * Copyright 2014 The Netty Project
3    *
4    * The Netty Project licenses this file to you under the Apache License,
5    * version 2.0 (the "License"); you may not use this file except in compliance
6    * with the License. You may obtain a copy of the License at:
7    *
8    *   https://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, WITHOUT
12   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13   * License for the specific language governing permissions and limitations
14   * under the License.
15   */
16  
17  package io.netty.handler.codec.mqtt;
18  
19  /**
20   * See <a href="https://public.dhe.ibm.com/software/dw/webservices/ws-mqtt/mqtt-v3r1.html#subscribe">
21   *     MQTTV3.1/subscribe</a>
22   */
23  public final class MqttSubscribeMessage extends MqttMessage {
24  
25      public MqttSubscribeMessage(
26              MqttFixedHeader mqttFixedHeader,
27              MqttMessageIdAndPropertiesVariableHeader variableHeader,
28              MqttSubscribePayload payload) {
29          super(mqttFixedHeader, variableHeader, payload);
30      }
31  
32      public MqttSubscribeMessage(
33              MqttFixedHeader mqttFixedHeader,
34              MqttMessageIdVariableHeader variableHeader,
35              MqttSubscribePayload payload) {
36          this(mqttFixedHeader, variableHeader.withDefaultEmptyProperties(), payload);
37      }
38  
39      @Override
40      public MqttMessageIdVariableHeader variableHeader() {
41          return (MqttMessageIdVariableHeader) super.variableHeader();
42      }
43  
44      public MqttMessageIdAndPropertiesVariableHeader idAndPropertiesVariableHeader() {
45          return (MqttMessageIdAndPropertiesVariableHeader) super.variableHeader();
46      }
47  
48      @Override
49      public MqttSubscribePayload payload() {
50          return (MqttSubscribePayload) super.payload();
51      }
52  }