PoolTraits.h

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#ifndef ZYPP_POOL_POOLTRAITS_H
#define ZYPP_POOL_POOLTRAITS_H
 
#include <set>
#include <map>
#include <list>
#include <vector>
 
#include <zypp/base/Iterator.h>
#include <zypp/base/Hash.h>
 
#include <zypp/PoolItem.h>
#include <zypp/pool/ByIdent.h>
#include <zypp/sat/Pool.h>

namespace zypp
{ 
 
  class PoolQuery;

  namespace pool
  { 
 
    class PoolImpl;

    struct ByPoolItem
    {
      bool operator()( const PoolItem & pi ) const
      { return bool(pi); }
    };

    template<typename TPair>
    struct P_Select2nd
    {
      typename TPair::second_type&
      operator()(TPair& __x) const
      { return __x.second; }
 
      const typename TPair::second_type&
      operator()(const TPair& __x) const
      { return __x.second; }
    };

    //
    //  CLASS NAME : PoolTraits
    //
    struct PoolTraits
    {
    public:
      using SolvableIdType = sat::detail::SolvableIdType;

      using ItemContainerT = std::vector<PoolItem>;
      using item_iterator = ItemContainerT::const_iterator;
      using const_iterator = filter_iterator<ByPoolItem, ItemContainerT::const_iterator>;
      using size_type = ItemContainerT::size_type;

      using Id2ItemT = std::unordered_multimap<sat::detail::IdType, PoolItem>;
      using Id2ItemValueSelector = P_Select2nd<Id2ItemT::value_type>;
      using byIdent_iterator = transform_iterator<Id2ItemValueSelector, Id2ItemT::const_iterator>;

      using repository_iterator = sat::Pool::RepositoryIterator;

      using HardLockQueries = std::list<PoolQuery>;
      using hardLockQueries_iterator = HardLockQueries::const_iterator;
 
      using Impl = PoolImpl;
      using Impl_Ptr = shared_ptr<PoolImpl>;
      using Impl_constPtr = shared_ptr<const PoolImpl>;
    };


  } // namespace pool
} // namespace zypp
#endif // ZYPP_POOL_POOLTRAITS_H