PackageProvider.h

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#ifndef ZYPP_REPO_PACKAGEPROVIDER_H
#define ZYPP_REPO_PACKAGEPROVIDER_H
 
#include <iosfwd>
 
#include <zypp/ZYppCallbacks.h>
#include <zypp/Package.h>
#include <zypp/ManagedFile.h>
#include <zypp/repo/DeltaCandidates.h>
#include <zypp/repo/RepoProvideFile.h>

namespace zypp
{
  namespace repo
  {
    class ZYPP_API PackageProviderPolicy
    {
    public:
      typedef function<bool ( const std::string &, const Edition &, const Arch & )> QueryInstalledCB;

      PackageProviderPolicy & queryInstalledCB( QueryInstalledCB queryInstalledCB_r )
      { _queryInstalledCB = queryInstalledCB_r; return *this; }

      bool queryInstalled( const std::string & name_r,
                           const Edition &     ed_r,
                           const Arch &        arch_r ) const;
 
    private:
      QueryInstalledCB _queryInstalledCB;
    };


    class ZYPP_API PackageProvider
    {
    public:
      PackageProvider( RepoMediaAccess & access, const PoolItem & pi_r,
                       PackageProviderPolicy policy_r = PackageProviderPolicy() );

      PackageProvider( RepoMediaAccess & access, const PoolItem & pi_r,
                       DeltaCandidates deltas,
                       PackageProviderPolicy policy_r = PackageProviderPolicy() );

      PackageProvider( RepoMediaAccess & access,
                       Package::constPtr package,
                       DeltaCandidates deltas,
                       PackageProviderPolicy policy_r = PackageProviderPolicy() );
 
      ~PackageProvider();
 
    public:
      ManagedFile providePackage() const;

      ManagedFile providePackageFromCache() const;

      bool isCached() const;
 
    public:
      struct Impl;              
    private:
      RW_pointer<Impl> _pimpl; 
    };

 
  } // namespace repo
} // namespace zypp
#endif // ZYPP_SOURCE_PACKAGEPROVIDER_H