triple.hpp

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#ifndef TRIPLE_HPP_
#define TRIPLE_HPP_
#include <iosfwd>
#include "owlcpp/doc_id.hpp"
#include "owlcpp/node_id.hpp"

namespace owlcpp{

struct Triple {
   static Triple make(
            const Node_id subj, const Node_id pred,
            const Node_id obj, const Doc_id doc
   ) {
      Triple t;
      t.subj_ = subj;
      t.pred_ = pred;
      t.obj_ = obj;
      t.doc_ = doc;
      return t;
   }

   Node_id subj_, pred_, obj_;
   Doc_id doc_;

   bool operator==(Triple const& t) const {
      return subj_==t.subj_ && pred_==t.pred_ && obj_==t.obj_ && doc_==t.doc_;
   }

   bool operator!=(Triple const& t) const {return !(*this == t);}
};

template<class ChT, class Tr> inline std::basic_ostream<ChT,Tr>& operator<<(
      std::basic_ostream<ChT,Tr>& os,
      Triple const& t
) {
   return os << t.subj_ << ',' << t.pred_ << ',' << t.obj_ << ',' << t.doc_;
}


}//namespace owlcpp
#endif /* TRIPLE_HPP_ */