CommitPackageCacheReadAhead.h

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#ifndef ZYPP_TARGET_COMMITPACKAGECACHEREADAHEAD_H
#define ZYPP_TARGET_COMMITPACKAGECACHEREADAHEAD_H
 
#include <map>
 
#include <zypp/base/Logger.h>
#include <zypp/base/Exception.h>
#include <zypp-core/base/DefaultIntegral>
#include <zypp/Repository.h>
#include <zypp/TmpPath.h>
#include <zypp/target/CommitPackageCacheImpl.h>

namespace zypp
{ 
  namespace target
  { 

    //
    //  CLASS NAME : IMediaKey
    //
    struct IMediaKey
    {
      IMediaKey()
      {}
 
      explicit
      IMediaKey( const PoolItem & obj_r )
      : _repo( obj_r->repository() )
      , _mediaNr( obj_r->mediaNr() )
      {}
 
      explicit
      IMediaKey( const ResObject::constPtr & obj_r )
      : _repo( obj_r->repository() )
      , _mediaNr( obj_r->mediaNr() )
      {}
 
      IMediaKey( const Repository & repo, unsigned mediaNr_r )
      : _repo( repo )
      , _mediaNr( mediaNr_r )
      {}
 
      bool operator==( const IMediaKey & rhs ) const
      { return( _repo == rhs._repo && _mediaNr == rhs._mediaNr ); }
 
      bool operator!=( const IMediaKey & rhs ) const
      { return ! operator==( rhs ); }
 
      bool operator<( const IMediaKey & rhs ) const
      {
        return( _repo.id() < rhs._repo.id()
                || ( _repo.id() == rhs._repo.id()
                     && _mediaNr < rhs._mediaNr ) );
      }
 
      Repository                  _repo;
      DefaultIntegral<unsigned,0> _mediaNr;
    };

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

    //
    //  CLASS NAME : CommitPackageCacheReadAhead
    //
    class CommitPackageCacheReadAhead : public CommitPackageCache::Impl
    {
    public:
      CommitPackageCacheReadAhead(PackageProvider packageProvider_r );
 
    public:
      ManagedFile get( const PoolItem & citem_r ) override;
 
    private:
      bool onInteractiveMedia( const PoolItem & pi ) const;
 
    private:
      void cacheLastInteractive( const PoolItem & citem_r );

      void doCacheLastInteractive( const PoolItem & citem_r );
 
    private:
      DefaultIntegral<unsigned,0> _dbgChanges;
      IMediaKey                   _lastInteractive;
      //Pathname                    _rootDir;
    };


  } // namespace target
} // namespace zypp
#endif // ZYPP_TARGET_COMMITPACKAGECACHEREADAHEAD_H