/*
 * Copyright (C) 2015 by Multi-Tech Systems
 *
 * This file is part of libmts.
 *
 * libmts is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 2 of the License, or
 * (at your option) any later version.
 *
 * libmts is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with libmts.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

/*! \file   MTS_BasicSubscriber.h
 \brief  A simple subscriber
 \date   28MAR12
 \author Sean Godinez

 A subscriber.
 */
#ifndef _MTS_BASICSUBSCRIBER_H_
#define _MTS_BASICSUBSCRIBER_H_

#include <mts/MTS_Subscriber.h>
#include <mts/MTS_Callback.h>

namespace MTS {

    //! A basic subscriber
    /*!
     A basic subscriber provides simple subscribing functionality.

     \sa Publisher, Subscriber, BasicPublisher
     */
    template<class T> class BasicSubscriber: public Subscriber<T> {

        public:
            explicit BasicSubscriber(const Callback<T>& callback, const std::string& name = ""); //!< Constructor
            virtual ~BasicSubscriber();//!< Destructor

            virtual void update(const T& object);   //!< Invokes callback with published data T

        private:
            Callback<T>* callback;

            //Prevent Copy and Assignment operators from being called
            BasicSubscriber(const BasicSubscriber&);
            BasicSubscriber& operator=(const BasicSubscriber&);
    };

    template<class T> BasicSubscriber<T>::BasicSubscriber(const Callback<T>& callback, const std::string& name)
    : Subscriber<T>(name), callback(callback.clone()) {
    }

    template<class T> BasicSubscriber<T>::~BasicSubscriber() {
        delete callback;
    }

    template<class T> void BasicSubscriber<T>::update(const T& object) {
        callback->invoke(object);
    }
}

#endif