查看本类的 API文档回源码主页

   /*
    * Copyright 2014 The Netty Project
    *
    * The Netty Project 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:
    *
    *   https://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 io.netty.handler.codec.mqtt;
  
  import io.netty.handler.codec.DecoderException;
  
  /**
   * A {@link MqttUnacceptableProtocolVersionException} which is thrown when
   * a CONNECT request contains unacceptable protocol version.
   */
  public final class MqttUnacceptableProtocolVersionException extends DecoderException {
  
      private static final long serialVersionUID = 4914652213232455749L;
  
      /**
       * Creates a new instance
       */
      public MqttUnacceptableProtocolVersionException() { }
  
      /**
       * Creates a new instance
       */
      public MqttUnacceptableProtocolVersionException(String message, Throwable cause) {
          super(message, cause);
      }
  
      /**
       * Creates a new instance
       */
      public MqttUnacceptableProtocolVersionException(String message) {
          super(message);
      }
  
      /**
       * Creates a new instance
       */
      public MqttUnacceptableProtocolVersionException(Throwable cause) {
          super(cause);
      }
  
  }