.. _program_listing_file__tmp_ws_src_smacc2_smacc2_include_smacc2_client_behaviors_cb_subscription_callback_base.hpp:

Program Listing for File cb_subscription_callback_base.hpp
==========================================================

|exhale_lsh| :ref:`Return to documentation for file <file__tmp_ws_src_smacc2_smacc2_include_smacc2_client_behaviors_cb_subscription_callback_base.hpp>` (``/tmp/ws/src/smacc2/smacc2/include/smacc2/client_behaviors/cb_subscription_callback_base.hpp``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   // Copyright 2021 RobosoftAI Inc.
   //
   // 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.
   
   /*****************************************************************************************************************
    *
    *   Authors: Pablo Inigo Blasco, Brett Aldrich
    *
    ******************************************************************************************************************/
   #pragma once
   #include <smacc2/smacc_client_behavior.hpp>
   
   namespace smacc2
   {
   namespace client_behaviors
   {
   template <typename TMsg>
   class CbSubscriptionCallbackBase : public smacc2::SmaccClientBehavior
   {
   public:
     void onEntry() override
     {
       this->requiresClient(attachedClient_);
       attachedClient_->onMessageReceived(&CbSubscriptionCallbackBase::onMessageReceived, this);
     }
   
     virtual void onMessageReceived(const TMsg & msg) = 0;
   
   protected:
     smacc2::client_bases::SmaccSubscriberClient<TMsg> * attachedClient_ = nullptr;
   };
   }  // namespace client_behaviors
   }  // namespace smacc2