GroupDistributor.h

#ifndef DDMD_GROUP_DISTRIBUTOR_H
#define DDMD_GROUP_DISTRIBUTOR_H

/*
* Simpatico - Simulation Package for Polymeric and Molecular Liquids
*
* Copyright 2010 - 2017, The Regents of the University of Minnesota
* Distributed under the terms of the GNU General Public License.
*/

#include <util/param/ParamComposite.h>       // base class
#include <ddMd/chemistry/Group.h>            // member
#include <ddMd/communicate/Buffer.h>         // member data type
#include <util/containers/DArray.h>          // member

namespace DdMd
{

   class Domain;
   class AtomStorage;
   template <int N> class GroupStorage;

   using namespace Util;

   template <int N>
   class GroupDistributor : public ParamComposite
   {

   public:

      GroupDistributor();

      ~GroupDistributor();

      void associate(Domain& domain, 
                     AtomStorage& atomStorage, 
                     GroupStorage<N>& groupStorage, 
                     Buffer& buffer);

      void setup();

      void setCapacity(int cacheCapacity);

      virtual void readParameters(std::istream& in);

      Group<N>* newPtr(); 
     
      void add();

      void send();

      void receive();

   protected:

      void allocate();

   private:

      DArray< Group<N> > cache_;

      Group<N>* newPtr_;
      
      Domain* domainPtr_;

      AtomStorage* atomStoragePtr_;

      GroupStorage<N>* groupStoragePtr_;

      Buffer* bufferPtr_;

      enum Buffer::BlockDataType sendType_;

      int nAtomRecv_;

      int nSentTotal_;

      int cacheCapacity_;

      int cacheSize_;

      void validate();

   };

}
#endif