msgreceiver.h

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/*
 *   Copyright 2014-2015 The 4S Foundation (www.4s-online.dk)
 *
 *   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.
 */

#ifndef MSGRECEIVER_H
#define MSGRECEIVER_H

#include "msgaddrgenerator.h"
#include "msgcallback.h"
#include "msgqueue.h"

namespace FSYS
{
  template<class TReceiverClass, class TMsg> class MsgReceiver : private MsgCallBackT<TMsg>,
                                                                 public virtual MsgAddrGenerator<TReceiverClass>
  {
  public:
    MsgReceiver( void )
    {
      // Register this object on the listener queue of this thread
      MsgAddr destination = *this;
      MsgQueue::addListenerToQueue(destination,
                                   typeid(TMsg),
                                   this);
    }

    ~MsgReceiver()
    {
      // Remove this object for the listener queue
      MsgQueue::removeListenerFromQueue(this);
    }

  private:
    TReceiverClass* parentClassPointer()
    {
      return static_cast<TReceiverClass*>(this);
    }

    void callBack(TMsg &msg)
    {
      parentClassPointer()->receive(msg);
    }
  };
}

#endif // MSGRECEIVER_H