index.hpp

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#ifndef __OKS_INDEX
#define __OKS_INDEX
 
#include "oks/query.hpp"
#include "oks/attribute.hpp"
#include "oks/object.hpp"
 
#include <set>
 
namespace dunedaq {
namespace oks {
class OksObjectSortBy {
 
  public:
 
    OksObjectSortBy (size_t i = 0) : offset(i) {;}
 
    bool operator()	(const OksObject * o1, const OksObject * o2) const {
      return o1->data[offset] < o2->data[offset];
    }
 
 
  private:
 
    size_t offset;
 
};
 
 
 class OksIndex : public std::multiset<OksObject *, OksObjectSortBy> {
  friend class OksClass;
  friend class OksObject;
 
 
  public:
 
      // Declare map of poiters to OksIndex sorted by attribute name
 
    struct SortByName {
      bool operator()	(const OksAttribute * a1, const OksAttribute * a2) const {
        return a1->get_name() < a2->get_name();
      }
    };
 
    typedef std::map<const OksAttribute *, OksIndex *, SortByName> Map;
 
    typedef std::multiset<OksObject *, OksObjectSortBy>::iterator Position;
    typedef std::multiset<OksObject *, OksObjectSortBy>::const_iterator ConstPosition;
 
 
    OksIndex        (OksClass *, OksAttribute *);
    ~OksIndex       ();
    
    OksObject *     FindFirst(OksData *d) const;
 
    OksObject::List *   FindEqual(OksData *d) const {return find_all(d, OksQuery::equal_cmp);}
    OksObject::List *   FindLessEqual(OksData *d) const {return find_all(d, OksQuery::less_or_equal_cmp);}
    OksObject::List *   FindGreatEqual(OksData *d) const {return find_all(d, OksQuery::greater_or_equal_cmp);}
    OksObject::List *   FindLess(OksData *d) const {return find_all(d, OksQuery::less_cmp);}
    OksObject::List *   FindGreat(OksData *d) const {return find_all(d, OksQuery::greater_cmp);}
 
    OksObject::List *   FindLessAndGreat(OksData *d1, OksData *d2) const {return find_all(true, d1, OksQuery::less_cmp, d2, OksQuery::greater_cmp);}
    OksObject::List *   FindLessAndGreatEqual(OksData *d1, OksData *d2) const {return find_all(true, d1, OksQuery::less_cmp, d2, OksQuery::greater_or_equal_cmp);}
    OksObject::List *   FindLessEqualAndGreat(OksData *d1, OksData *d2) const {return find_all(true, d1, OksQuery::less_or_equal_cmp, d2, OksQuery::greater_cmp);}
    OksObject::List *   FindLessEqualAndGreatEqual(OksData *d1, OksData *d2) const {return find_all(true, d1, OksQuery::less_or_equal_cmp, d2, OksQuery::greater_or_equal_cmp);}
    OksObject::List *   FindEqualAndEqual(OksData *d1, OksData *d2) const {return find_all(true, d1, OksQuery::equal_cmp, d2, OksQuery::equal_cmp);}
    OksObject::List *   FindEqualAndLess(OksData *d1, OksData *d2) const {return find_all(true, d1, OksQuery::equal_cmp, d2, OksQuery::less_cmp);}
    OksObject::List *   FindEqualAndLessEqual(OksData *d1, OksData *d2) const {return find_all(true, d1, OksQuery::equal_cmp, d2, OksQuery::less_or_equal_cmp);}
    OksObject::List *   FindEqualAndGreat(OksData *d1, OksData *d2) const {return find_all(true, d1, OksQuery::equal_cmp, d2, OksQuery::greater_cmp);}
    OksObject::List *   FindEqualAndGreatEqual(OksData *d1, OksData *d2) const {return find_all(true, d1, OksQuery::equal_cmp, d2, OksQuery::greater_or_equal_cmp);}
    OksObject::List *   FindLessOrGreat(OksData *d1, OksData *d2) const {return find_all(false, d1, OksQuery::less_cmp, d2, OksQuery::greater_cmp);}
    OksObject::List *   FindLessOrGreatEqual(OksData *d1, OksData *d2) const {return find_all(false, d1, OksQuery::less_cmp, d2, OksQuery::greater_or_equal_cmp);}
    OksObject::List *   FindLessEqualOrGreat(OksData *d1, OksData *d2) const {return find_all(false, d1, OksQuery::less_or_equal_cmp, d2, OksQuery::greater_cmp);}
    OksObject::List *   FindLessEqualOrGreatEqual(OksData *d1, OksData *d2) const {return find_all(false, d1, OksQuery::less_or_equal_cmp, d2, OksQuery::greater_or_equal_cmp);}
    OksObject::List *   FindEqualOrEqual(OksData *d1, OksData *d2) const {return find_all(false, d1, OksQuery::equal_cmp, d2, OksQuery::equal_cmp);}
    OksObject::List *   FindEqualOrLess(OksData *d1, OksData *d2) const {return find_all(false, d1, OksQuery::equal_cmp, d2, OksQuery::less_cmp);}
    OksObject::List *   FindEqualOrLessEqual(OksData *d1, OksData *d2) const {return find_all(false, d1, OksQuery::equal_cmp, d2, OksQuery::less_or_equal_cmp);}
    OksObject::List *   FindEqualOrGreat(OksData *d1, OksData *d2) const {return find_all(false, d1, OksQuery::equal_cmp, d2, OksQuery::greater_cmp);}
    OksObject::List *   FindEqualOrGreatEqual(OksData *d1, OksData *d2) const {return find_all(false, d1, OksQuery::equal_cmp, d2, OksQuery::greater_or_equal_cmp);}
 
  private:
 
    OksClass *      c;
    OksAttribute *  a;
    size_t      offset;
 
    OksObject *     remove_obj(OksObject *);
 
    OksObject::List *   find_all(OksData *, OksQuery::Comparator) const;
    OksObject::List *   find_all(bool, OksData *, OksQuery::Comparator, OksData *, OksQuery::Comparator) const;
 
    void        find_interval(OksData *, OksQuery::Comparator, ConstPosition&, ConstPosition&) const;
 
    static size_t       get_offset(OksClass *, OksAttribute *);
 
};
} // namespace oks
} // namespace dunedaq
#endif