PeriodicBoundaryHandler.h

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// This file is part of the MercuryDPM project (https://www.mercurydpm.org).
// Copyright (c), The MercuryDPM Developers Team. All rights reserved.
// License: BSD 3-Clause License; see the LICENSE file in the root directory.
 
#ifndef PERIODICBOUNDARYHANDLER_H
#define PERIODICBOUNDARYHANDLER_H
 
#include "BaseHandler.h"
#include "Boundaries/BasePeriodicBoundary.h"
#include "MpiDataClass.h"
#include <set>
 
 
typedef std::vector<MpiPeriodicParticleID*> PeriodicList;
typedef std::vector<MpiPeriodicGhostParticleID*> PeriodicGhostList;
 
class PeriodicBoundaryHandler final : public BaseHandler<BasePeriodicBoundary>
{
public:
    PeriodicBoundaryHandler();
    
    PeriodicBoundaryHandler(const PeriodicBoundaryHandler& BH);
    
    PeriodicBoundaryHandler operator=(const PeriodicBoundaryHandler& rhs);
    
    ~PeriodicBoundaryHandler() override;
    
    void addObject(BasePeriodicBoundary* P) override;
    
    void readAndAddObject(std::istream& is) override;
    
    std::string getName() const override;
    
    void setInteractionDistance(Mdouble interactionDistance);
    
    Mdouble getInteractionDistance();
    
    void updateStatus(std::set<BaseParticle*>& ghostParticlesToBeDeleted);
    
    void shiftParticle(BaseParticle* particle);
    
    void shiftParticle(BaseParticle* particle, const std::vector<int>& complexity);
    
    std::vector<int> computePeriodicComplexity(Vec3D position);
    
    void computePeriodicComplexity(std::vector<int>& periodicComplexity, int& totalPeriodicComplexity, Vec3D position);
    
    void addNewParticles();
    
    void addNewParticle(BaseParticle* particle);
    
    unsigned int getNumberOfPeriodicGhostParticles();
    
    Mdouble getNumberOfTruePeriodicGhostParticles();
    
    void getMPIFlags(BaseParticle* particle, bool& isInMPIDomain, bool& isMPIParticle);
    
    void setMPIFlags(BaseParticle* particle);
    
    void generateGhosts(std::vector<std::vector<int> >& list, std::vector<int> periodicComplexity,
                        std::vector<int>& complexity, int level);
    
    void collectGhostParticleData();
    
    void collectInteractionData();
    
    void processReceivedGhostParticleData(int targetIndex, std::vector<BaseParticle*>& newParticles);
    
    void processReceivedInteractionData(int targetIndex, std::vector<BaseParticle*>& newParticles);
    
    void processLocalInteractionData(std::vector<BaseParticle*>& newParticles);
    
    void processPeriodicParticles();
    
    void processLocalGhostParticles(std::vector<BaseParticle*>& newParticles);
    
    void updateParticles();
    
    bool checkIsReal(std::vector<int> complexity);
    
    bool checkChanged(std::vector<int> previousComplexity, std::vector<int> complexity);
    
    void updateParticleStatus(std::set<BaseParticle*>& particlesToBeDeleted);
    
    int findTargetProcessor(const std::vector<int>& complexity);
    
    void findNewParticle(BaseParticle* particle);
    
    bool checkIfAddNewParticle(BaseParticle* particle);
    
    void findNewParticles();
    
    void findNewInteractions();
    
    void communicateTargetDomains();
    
    void communicateNumberOfNewParticlesAndInteractions();
    
    void prepareNewParticleTransmission();
    
    void performNewParticleTransmission();
    
    void finaliseNewParticleTransmission();
    
    void preparePositionAndVelocityUpdate();
    
    void finalisePositionAndVelocityUpdate();
    
    void flushParticles(std::set<BaseParticle*>& particlesToBeFlushed);
    
    void cleanCommunicationList(std::vector<MpiPeriodicParticleIDBase*>& list);
    
    void cleanCommunicationLists();
    
    void clearCommunicationLists();
    
    void initialise();
    
    void flushPeriodicParticles(std::set<BaseParticle*>& particlesToBeDeleted);
    
    void performActionsBeforeAddingParticles();
    
    void updateMaserParticle(BaseParticle* particle);
    
    void
    findBoundariesToIgnore(BaseParticle* particle, std::vector<int>& periodicComplexity, int& totalPeriodicComplexity);
 
 
private:
    Mdouble interactionDistance_;
    
    std::vector<int> receiveTargetList_;
    
    std::vector<int> sendTargetList_;
    
    std::vector<int> numberOfNewPeriodicGhostParticlesReceive_;
    
    std::vector<int> numberOfNewPeriodicGhostParticlesSend_;
    
    std::vector<int> numberOfNewInteractionsSend_;
    
    std::vector<int> numberOfNewInteractionsReceive_;
    
    std::vector<std::vector<MPIParticle> > periodicGhostParticleReceive_;
    
    std::vector<std::vector<MPIParticle> > periodicGhostParticleSend_;
    
    std::vector<std::vector<int> > periodicGhostComplexityReceive_;
    
    std::vector<std::vector<int> > periodicGhostComplexitySend_;
    
    std::vector<std::vector<MPIParticlePosition> > updatePositionDataReceive_;
    
    std::vector<std::vector<MPIParticlePosition> > updatePositionDataSend_;
    
    std::vector<std::vector<MPIParticleVelocity> > updateVelocityDataReceive_;
    
    std::vector<std::vector<MPIParticleVelocity> > updateVelocityDataSend_;
    
    std::vector<void*> interactionDataSend_;
    
    std::vector<void*> interactionDataReceive_;
    
    std::vector<PeriodicList> newPeriodicParticleList_;
    
    std::vector<std::vector<BaseInteraction*> > newInteractionList_;
    
    std::vector<PeriodicList> periodicParticleList_;
    
    std::vector<PeriodicGhostList> periodicGhostList_;
};
 
#endif