recorder.hpp

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/*
 * Copyright 2015 Aldebaran
 *
 * 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 RECORDER_HPP
#define RECORDER_HPP
 
#include <string>
 
#include <boost/make_shared.hpp>
#include <boost/shared_ptr.hpp>
# include <boost/thread/mutex.hpp>
 
#include <ros/ros.h>
#include <rosbag/bag.h>
#include <rosbag/view.h>
#include <geometry_msgs/TransformStamped.h>
 
#include "naoqi_driver/recorder/globalrecorder.hpp"
 
namespace naoqi
{
namespace recorder
{
 
class Recorder
{
 
public:
 
  template<typename T>
  Recorder( T rec ):
    recPtr_( boost::make_shared<RecorderModel<T> >(rec) )
  {}
 
  bool isInitialized() const
  {
    return recPtr_->isInitialized();
  }
 
 
  void subscribe( bool state )
  {
    recPtr_->subscribe(state);
  }
 
  bool isSubscribed() const
  {
    return recPtr_->isSubscribed();
  }
 
  std::string topic() const
  {
    return recPtr_->topic();
  }
 
  void reset( boost::shared_ptr<naoqi::recorder::GlobalRecorder> gr, float frequency)
  {
    recPtr_->reset( gr, frequency );
  }
 
  void writeDump(const ros::Time& time)
  {
    recPtr_->writeDump(time);
  }
 
  void setBufferDuration(float duration)
  {
    recPtr_->setBufferDuration(duration);
  }
 
  friend bool operator==( const Recorder& lhs, const Recorder& rhs )
  {
    // decision made for OR-comparison since we want to be more restrictive
    if ( lhs.topic() == rhs.topic() )
      return true;
    return false;
  }
 
private:
 
  struct RecorderConcept
  {
    virtual ~RecorderConcept(){}
    virtual bool isInitialized() const = 0;
    virtual void subscribe(bool state) = 0;
    virtual bool isSubscribed() const = 0;
    virtual std::string topic() const = 0;
    virtual void writeDump(const ros::Time& time) = 0;
    virtual void setBufferDuration(float duration) = 0;
    virtual void reset( boost::shared_ptr<naoqi::recorder::GlobalRecorder> gr, float frequency ) = 0;
  };
 
 
  template<typename T>
  struct RecorderModel : public RecorderConcept
  {
    RecorderModel( const T& other ):
      recorder_( other )
    {}
 
    void reset( boost::shared_ptr<naoqi::recorder::GlobalRecorder> gr, float frequency )
    {
      recorder_->reset( gr, frequency );
    }
 
    bool isInitialized() const
    {
      return recorder_->isInitialized();
    }
 
    void subscribe(bool state)
    {
      recorder_->subscribe( state );
    }
 
    bool isSubscribed() const
    {
      return recorder_->isSubscribed();
    }
 
    std::string topic() const
    {
      return recorder_->topic();
    }
 
    void writeDump(const ros::Time& time)
    {
      recorder_->writeDump(time);
    }
 
    void setBufferDuration(float duration)
    {
      recorder_->setBufferDuration(duration);
    }
 
    T recorder_;
  };
 
  boost::shared_ptr<RecorderConcept> recPtr_;
 
}; // class recorder
 
} // recorder
} //naoqi
 
#endif