text: /*
   * Copyright 2020-2020 Exactpro (Exactpro Systems Limited)
   *
   * Licensed 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.
   */
  
  #pragma once
  
  namespace th2::common_cpp {
  
  template <class MessageBatchType>
  class MessageListener {
  public:
      ~MessageListener() = default;
  
      virtual void handler(std::string consumerTag, const MessageBatchType& batch) = 0;
  
      virtual void onClose() {};
  
  };
  
  template <class MessageBatchType>
  using message_listener_ptr = std::shared_ptr<MessageListener<MessageBatchType>>;
  
  }
  