Context.hpp

#pragma once

#include <boost/mpi/environment.hpp>

namespace graybat {
    
    namespace communicationPolicy {

        namespace bmpi {

        class Context {
        typedef unsigned ContextID;
        typedef unsigned VAddr;
        
        public:
        Context() :
            id(0),
            isValid(false){

        }

        Context(ContextID contextID, boost::mpi::communicator comm) : 
            comm(comm),
            id(contextID),
            isValid(true){
        
        }

        Context& operator=(const Context& otherContext){
            id            = otherContext.getID();
            isValid       = otherContext.valid();
            comm          = otherContext.comm;
            return *this;

        }

        size_t size() const{
            return comm.size();
        }

        VAddr getVAddr() const {
            return comm.rank();
        }

        ContextID getID() const {
            return id;
        }

        bool valid() const{
            return isValid;
        }

        boost::mpi::communicator comm;
    
        private:    
        ContextID id;
        bool      isValid;
        };

        } // namespace bmpi
        
    } // namespace communicationPolicy
    
} // namespace graybat