SolvableSet.h

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#ifndef ZYPP_SAT_SOLVABLESET_H
#define ZYPP_SAT_SOLVABLESET_H
 
#include <iosfwd>
 
#include <zypp/base/PtrTypes.h>
#include <zypp/base/Hash.h>
#include <zypp/sat/Solvable.h>
#include <zypp/sat/SolvIterMixin.h>

namespace zypp
{ 
  namespace sat
  { 

    //
    //  CLASS NAME : SolvableSet
    //
    class SolvableSet : public SolvIterMixin<SolvableSet,std::unordered_set<Solvable>::const_iterator>
    {
      friend std::ostream & operator<<( std::ostream & str, const SolvableSet & obj );
 
      public:
        using Container = std::unordered_set<Solvable>;
        using value_type = Container::value_type;
        using size_type = Container::size_type;
        using const_iterator = Solvable_iterator; // from SolvIterMixin
 
      public:
        SolvableSet()
        : _pimpl( new Container )
        {}

        template<class TInputIterator>
        SolvableSet( TInputIterator begin_r, TInputIterator end_r )
        : _pimpl( new Container( begin_r, end_r ) )
        {}
 
      public:
        bool empty() const
        { return _pimpl->empty(); }

        size_type size() const
        { return _pimpl->size(); }

        template<class TSolv>
        bool contains( const TSolv & solv_r ) const
        { return( get().count( asSolvable()( solv_r ) ) ); }

        const_iterator begin() const
        { return _pimpl->begin(); }

        const_iterator end() const
        { return _pimpl->end(); }
 
      public:
        void clear()
        { get().clear(); }

        template<class TSolv>
        bool insert( const TSolv & solv_r )
        { return get().insert( asSolvable()( solv_r ) ).second; }

        template<class TIterator>
        void insert( TIterator begin_r, TIterator end_r )
        { for_( it, begin_r, end_r ) insert( *it ); }
 
      public:
        Container & get()
        { return *_pimpl; }

        const Container & get() const
        { return *_pimpl; }
 
      private:
        RWCOW_pointer<Container> _pimpl;
    };


    std::ostream & operator<<( std::ostream & str, const SolvableSet & obj ) ZYPP_API;

  } // namespace sat
} // namespace zypp
#endif // ZYPP_SAT_SOLVABLESET_H