FEI Version of the Day
fei_SharedIDs.hpp
00001 /*
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00004 //             FEI: Finite Element Interface to Linear Solvers
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00011 // modification, are permitted provided that the following conditions are
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00014 // 1. Redistributions of source code must retain the above copyright
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00041 */
00042 
00043 
00044 #ifndef _fei_SharedIDs_hpp_
00045 #define _fei_SharedIDs_hpp_
00046 
00047 #include <fei_macros.hpp>
00048 
00049 #include <vector>
00050 #include <set>
00051 #include <map>
00052 
00053 namespace fei {
00054 
00056   template<typename T>
00057   class SharedIDs {
00058   public:
00060     SharedIDs()
00061       : sharedIDs_(), owningProcs_()
00062     {}
00063 
00065     SharedIDs(const SharedIDs<T>& src)
00066       : sharedIDs_(src.sharedIDs_), owningProcs_(src.owningProcs_)
00067     {}
00068 
00070     virtual ~SharedIDs() {}
00071 
00073     typedef std::map<T,std::set<int> > map_type;
00074 
00080     void addSharedID(const T& ID, size_t numSharingProcs, const int* sharingProcs)
00081     {
00082       typename map_type::iterator iter = sharedIDs_.find(ID);
00083       if (iter == sharedIDs_.end()) {
00084         iter = sharedIDs_.insert(std::make_pair(ID,std::set<int>())).first;
00085       }
00086       for(size_t i=0; i<numSharingProcs; ++i) {
00087         iter->second.insert(sharingProcs[i]);
00088       }
00089     }
00090 
00092     map_type& getSharedIDs() { return( sharedIDs_ ); }
00093 
00095     const map_type& getSharedIDs() const { return( sharedIDs_ ); }
00096 
00099     std::vector<int>& getOwningProcs() { return( owningProcs_ ); }
00100 
00103     const std::vector<int>& getOwningProcs() const { return( owningProcs_ ); }
00104 
00105   private:
00106     map_type sharedIDs_;
00107     std::vector<int> owningProcs_;
00108   };
00109 
00110 } //namespace fei
00111 
00112 #endif // _fei_SharedIDs_hpp_
00113 
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