PoolStats.h

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#ifndef ZYPP_POOL_POOLSTATS_H
#define ZYPP_POOL_POOLSTATS_H

#include <iosfwd>

#include "zypp/base/Iterator.h"
#include "zypp/base/Functional.h"
#include "zypp/base/Counter.h"
#include "zypp/ResObject.h"

namespace zypp
{ 

  namespace pool
  { 

    //
    //  CLASS NAME : PoolStats
    //
    struct PoolStats : public std::unary_function<ResObject::constPtr, void>
    {
      void operator()( ResObject::constPtr ptr )
      {
        ++_total;
        ++_perKind[ptr->kind()];
      }
    public:
      typedef std::map<ResKind,Counter<unsigned> > KindMap;
      Counter<unsigned> _total;
      KindMap           _perKind;
    };

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

  } // namespace pool

  template <class _Iterator>
    std::ostream & dumpPoolStats( std::ostream & str,
                                  _Iterator begin_r, _Iterator end_r )
    {
      pool::PoolStats stats;
      std::for_each( begin_r, end_r,
                     functor::functorRef<void,ResObject::constPtr>(stats) );
      return str << stats;
    }

} // namespace zypp
#endif // ZYPP_POOL_POOLSTATS_H