PoolItemBest.h

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#ifndef ZYPP_POOLITEMBEST_H
#define ZYPP_POOLITEMBEST_H
 
#include <iosfwd>
 
#include <zypp/base/PtrTypes.h>
#include <zypp/base/Function.h>
#include <zypp/base/Iterator.h>
#include <zypp/base/Hash.h>
 
#include <zypp/PoolItem.h>
 
namespace zypp
{ 
 
  //
  //    CLASS NAME : PoolItemBest
  //
  class PoolItemBest
  {
      typedef std::unordered_map<IdString,PoolItem> Container;
    public:
      typedef boost::function<bool ( const PoolItem & lhs, const PoolItem & rhs )> Predicate;
 
      typedef Container::size_type      size_type;
      typedef Container::value_type     value_type;
      typedef MapKVIteratorTraits<Container>::Value_const_iterator      iterator;
      typedef MapKVIteratorTraits<Container>::Key_const_iterator        ident_iterator;
 
    public:
      static constexpr bool preferNotLocked = true;
 
    public:
      PoolItemBest( bool preferNotLocked_r = false )
      { _ctor_init( preferNotLocked_r ); }
 
      PoolItemBest( sat::Solvable slv_r, bool preferNotLocked_r = false )
      { _ctor_init( preferNotLocked_r ); add( slv_r ); }
 
      PoolItemBest( const PoolItem & pi_r, bool preferNotLocked_r = false )
      { _ctor_init( preferNotLocked_r ); add( pi_r ); }
 
      template<class TIterator>
      PoolItemBest( TIterator begin_r, TIterator end_r, bool preferNotLocked_r = false )
      { _ctor_init( preferNotLocked_r ); add( begin_r, end_r ); }
 
    public:
      void add( sat::Solvable slv_r )
      { add( PoolItem( slv_r ) ); }
 
      void add( const PoolItem & pi_r );
 
      template<class TIterator>
      void add( TIterator begin_r, TIterator end_r )
      {
        for_( it, begin_r, end_r )
          add( *it );
      }
 
    public:
      bool empty() const        { return container().empty(); }
      size_type size() const    { return container().size(); }
      iterator begin() const    { return make_map_value_begin( container() ); }
      iterator end() const      { return make_map_value_end( container() ); }
 
      PoolItem find( IdString ident_r ) const;
      PoolItem find( sat::Solvable slv_r ) const        { return find( slv_r.ident() ); }
      PoolItem find( const PoolItem & pi_r ) const      { return find( pi_r.satSolvable().ident() ); }
 
      ident_iterator identBegin() const { return make_map_key_begin( container() ); }
      ident_iterator identEnd() const   { return make_map_key_end( container() ); }
 
    private:
      void _ctor_init( bool preferNotLocked_r );
      void _ctor_init(/*preferNotLocked = false*/);     
      const Container & container() const;
    private:
      struct Impl;
      RWCOW_pointer<Impl> & pimpl()             { return *(reinterpret_cast<RWCOW_pointer<Impl>*>( _dont_use_this_use_pimpl.get() )); }
      const RWCOW_pointer<Impl> & pimpl() const { return *(reinterpret_cast<RWCOW_pointer<Impl>*>( _dont_use_this_use_pimpl.get() )); }
      shared_ptr<void> _dont_use_this_use_pimpl;
  };
 
  std::ostream & operator<<( std::ostream & str, const PoolItemBest & obj );
 
} // namespace zypp
#endif // ZYPP_POOLITEMBEST_H