GPSAlmanacStore.hpp

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#pragma ident "$Id: GPSAlmanacStore.hpp 3140 2012-06-18 15:03:02Z susancummins $"

//============================================================================
//
//  This file is part of GPSTk, the GPS Toolkit.
//
//  The GPSTk 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 2.1 of the License, or
//  any later version.
//
//  The GPSTk 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 GPSTk; if not, write to the Free Software Foundation,
//  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
//  
//  Copyright 2004, The University of Texas at Austin
//
//============================================================================
//============================================================================
//
//This software developed by Applied Research Laboratories at the University of
//Texas at Austin, under contract to an agency or agencies within the U.S. 
//Department of Defense. The U.S. Government retains all rights to use,
//duplicate, distribute, disclose, or release this software. 
//
//Pursuant to DoD Directive 523024 
//
// DISTRIBUTION STATEMENT A: This software has been approved for public 
//                           release, distribution is unlimited.
//
//=============================================================================

#ifndef GPSTK_GPSALMANACSTORE_HPP
#define GPSTK_GPSALMANACSTORE_HPP

#include <iostream>
#include <string>
#include <map>

#include "XvtStore.hpp"
#include "SatID.hpp"
#include "AlmOrbit.hpp"
#include "EngAlmanac.hpp"
#include "OrbElemStore.hpp"

namespace gpstk
{

   class GPSAlmanacStore : public OrbElemStore
   {
   public:

      GPSAlmanacStore()
         throw()
         : initialTime(CommonTime::END_OF_TIME), 
           finalTime(CommonTime::BEGINNING_OF_TIME)
      {}

      virtual ~GPSAlmanacStore()
      {}
      
      virtual Xvt getXvt(const SatID& id, const CommonTime& t) 
         const throw( gpstk::InvalidRequest );


      virtual Xvt getXvtMostRecentXmit(const SatID id, const CommonTime& t)
         const throw( gpstk::InvalidRequest );
      

      virtual void dump(std::ostream& s = std::cout, short detail = 0) 
         const throw();


      virtual void edit(const CommonTime& tmin, 
                        const CommonTime& tmax = CommonTime::END_OF_TIME)
         throw();

      virtual void clear(void) throw()
      { uba.clear(); }

      virtual TimeSystem getTimeSystem(void) const throw()
         { return TimeSystem::GPS; }

      virtual CommonTime getInitialTime()
         const throw()
      {return initialTime;}

      
      virtual CommonTime getFinalTime()
         const throw()
      {return finalTime;}

      virtual bool velocityIsPresent()
         const throw()
      {return true;}

      virtual bool hasVelocity() const throw()
      { return true; }

      virtual bool isPresent(const SatID& sat) const throw()
      {
         if(uba.find(sat) == uba.end()) return false;
         return true;
      }

      //---------------------------------------------------------------
      // Below are interfaces that are unique to this class (i.e. not 
      // in the parent class)
      //---------------------------------------------------------------

      short getSatHealth(const SatID sat, const CommonTime& t) 
         const throw( gpstk::InvalidRequest);

      bool addAlmanac(const AlmOrbit& alm) throw();

      bool addAlmanac(const EngAlmanac& alm) throw();

      AlmOrbit findAlmanac(const SatID sat, const CommonTime& t) 
         const throw( gpstk::InvalidRequest );

      AlmOrbit findMostRecentAlmanac(const SatID sat, const CommonTime& t)
         const throw( gpstk::InvalidRequest );

      AlmOrbits findAlmanacs(const CommonTime& t) 
         const throw( gpstk::InvalidRequest );

   protected:
      typedef std::map<CommonTime, AlmOrbit> EngAlmMap;

      typedef std::map<SatID, EngAlmMap> UBAMap;

      UBAMap uba;

      CommonTime initialTime; //< Earliest Toa minus a half week
      CommonTime finalTime;   //< Last Toa plus a half week
      
   };

}
#endif

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