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/Tr1hash.h"
#include "zypp/sat/Solvable.h"
#include "zypp/sat/SolvIterMixin.h"

namespace zypp
{ 

  namespace sat
  { 

    //
    //  CLASS NAME : SolvableSet
    //
    class SolvableSet : public SolvIterMixin<SolvableSet,std::tr1::unordered_set<Solvable>::const_iterator>
    {
      friend std::ostream & operator<<( std::ostream & str, const SolvableSet & obj );

      public:
        typedef std::tr1::unordered_set<Solvable> Container;
        typedef Container::value_type             value_type;
        typedef Container::size_type              size_type;
        typedef Solvable_iterator                 const_iterator; // from SolvIterMixin

      public:
        SolvableSet()
        : _pimpl( new Container )
        {}

        template<class _InputIterator>
        SolvableSet( _InputIterator begin_r, _InputIterator 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 _Solv>
        bool contains( const _Solv & solv_r ) const
        { return( get().find( asSolvable()( solv_r ) ) != end() ); }

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

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

      public:

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

      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 );

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