text: // Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
  
  #pragma once
  
  #include <memory>
  #include <vespa/messagebus/common.h>
  #include <vespa/config/helper/configfetcher.h>
  #include <vespa/messagebus/config-messagebus.h>
  
  namespace mbus {
  
  class IConfigHandler;
  
  /**
   * A ConfigAgent will register with the config server and obtain
   * config on behalf of a IConfigHandler.
   **/
  class ConfigAgent : public config::IFetcherCallback<messagebus::MessagebusConfig>
  {
  private:
      IConfigHandler &_handler;
  
  public:
      ConfigAgent(const ConfigAgent &) = delete;
      ConfigAgent & operator = (const ConfigAgent &) = delete;
      ConfigAgent(IConfigHandler & handler);
  
      // Implements IFetcherCallback
      void configure(std::unique_ptr<messagebus::MessagebusConfig> config) override;
  };
  
  } // namespace mbus
  
  