Subscriber.hh

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/*
 * Copyright (C) 2012-2014 Open Source Robotics Foundation
 *
 * 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.
 *
*/
/* Desc: Handles a subscription to a topic
 * Author: Nate Koenig
 */

#ifndef _SUBSCRIBER_HH_
#define _SUBSCRIBER_HH_

#include <string>
#include <boost/shared_ptr.hpp>

#include "gazebo/transport/CallbackHelper.hh"
#include "gazebo/util/system.hh"

namespace gazebo
{
  namespace transport
  {

    class GAZEBO_VISIBLE Subscriber
    {
      public: Subscriber(const std::string &_topic, NodePtr _node);

      public: virtual ~Subscriber();

      public: void SetCallbackId(unsigned int _id);

      public: unsigned int GetCallbackId() const;

      public: std::string GetTopic() const;

      public: void Unsubscribe() const;

      private: std::string topic;

      private: NodePtr node;

      private: unsigned int callbackId;
    };
  }
}

#endif