patterns.h

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#ifndef GRPPI_COMMON_PATTERNS_H
#define GRPPI_COMMON_PATTERNS_H

#include <tuple> 

namespace grppi{

template <typename E,typename Stage, typename ... Stages>
class pipeline_info{
   public:
      E & exectype;
      std::tuple<Stage , Stages ...> stages;
      pipeline_info(E &p, Stage s, Stages ... sts) : exectype{p}, stages{std::make_tuple(s, sts...)} {}
      pipeline_info(E &p, std::tuple<Stage,Stages ...> st) : exectype{p} , stages{st} {}
};

template <typename E,class Combiner, typename Identity>
class reduction_info
{
   public:
      Combiner combine_op;
      int window_size;
      int offset;
      Identity identity;
      E & exectype;
      reduction_info(E &s,int ws, int off, Identity iden, Combiner comb) : 
        exectype{s}, window_size{ws}, offset{off}, identity{iden}, combine_op{comb} {}
};

template <typename E,class Operation>
class farm_info
{
   public:
      Operation  task;
      E & exectype;
      int farmtype;
      farm_info(E &s,Operation  f) : task{f}, exectype{s}, farmtype{} {};
};

template <typename E,class Operation>
class filter_info
{
   public:
      Operation task;
      E & exectype;
      int filtertype;
      filter_info(E &s,Operation f) : task{f}, exectype{s}, filtertype{} {};
};

} // end namespace grppi

#endif