SpawnableTask.h

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// $Id: SpawnableTask.h,v 1.3 2013/07/09 17:12:00 eml Exp $

#ifndef SZA_UTIL_SPAWNABLETASK_H
#define SZA_UTIL_SPAWNABLETASK_H

#include "carma/szautil/GenericTask.h"
#include "carma/szautil/RunnableTask.h"
#include "carma/szautil/Exception.h"

#include "carma/util//ErrorException.h"

#include <iostream>

namespace sza {
  namespace util {

    template <class Msg>
      class SpawnableTask : public sza::util::GenericTask<Msg>,
      public RunnableTask {

      public:

      SpawnableTask(bool spawn) : RunnableTask(spawn) {}

      virtual ~SpawnableTask() {};

      protected:
      
      // All the work in this class is done by processMsg().  
      //
      // Inheritors need only define what this function does for
      // different message types, and the rest will run itself.

      virtual void processMsg(Msg* msg) {};

    public:

      void run() {
        try {
          GenericTask<Msg>::run();
        } catch(Exception& err) {
          COUT("Caught an exception: " << err.what());
        } catch(carma::util::ErrorException& err) {
          COUT("Caught a CARMA exception: " << err.what());
        } catch(...) {
          COUT("Caught an unknown exception (ST 0)");
        }
      }

    }; // End class SpawnableTask

  } // End namespace util
} // End namespace sza



#endif // End #ifndef SZA_UTIL_SPAWNABLETASK_H