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Viewing changes to zypp/target/CommitPackageCache.h

  • Committer: Thomas-Karl Pietrowski
  • Date: 2014-01-29 22:44:28 UTC
  • Revision ID: thopiekar@googlemail.com-20140129224428-gpcqnsdakby362n8
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zypp/target/CommitPackageCache.h
 
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/*---------------------------------------------------------------------\
 
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|                           / / \ V /|  _/  _/                         |
 
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|                          / /__ | | | | | |                           |
 
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\---------------------------------------------------------------------*/
 
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/** \file       zypp/target/CommitPackageCache.h
 
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 *
 
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*/
 
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#ifndef ZYPP_TARGET_COMMITPACKAGECACHE_H
 
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#define ZYPP_TARGET_COMMITPACKAGECACHE_H
 
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#include <iosfwd>
 
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#include "zypp/base/PtrTypes.h"
 
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#include "zypp/base/Function.h"
 
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#include "zypp/PoolItem.h"
 
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#include "zypp/Pathname.h"
 
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#include "zypp/ManagedFile.h"
 
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///////////////////////////////////////////////////////////////////
 
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namespace zypp
 
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{ /////////////////////////////////////////////////////////////////
 
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  ///////////////////////////////////////////////////////////////////
 
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  namespace target
 
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  { /////////////////////////////////////////////////////////////////
 
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    ///////////////////////////////////////////////////////////////////
 
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    //
 
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    //  CLASS NAME : CommitPackageCache
 
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    //
 
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    /** Target::commit helper optimizing package provision.
 
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    */
 
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    class CommitPackageCache
 
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    {
 
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      friend std::ostream & operator<<( std::ostream & str, const CommitPackageCache & obj );
 
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    public:
 
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      typedef function<ManagedFile( const PoolItem & pi, bool fromCache_r )> PackageProvider;
 
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    public:
 
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      /** Ctor */
 
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      CommitPackageCache( const Pathname &        rootDir_r,
 
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                          const PackageProvider & packageProvider_r );
 
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      /** Dtor */
 
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      ~CommitPackageCache();
 
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    public:
 
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      /** Download(commit) sequence of solvables to compute read ahead. */
 
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      void setCommitList( std::vector<sat::Solvable> commitList_r );
 
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      /** \overload */
 
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      template <class _Iterator>
 
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      void setCommitList( _Iterator begin_r, _Iterator end_r )
 
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      { setCommitList( std::vector<sat::Solvable>( begin_r, end_r  ) ); }
 
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      /** Provide a package. */
 
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      ManagedFile get( const PoolItem & citem_r );
 
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      /** \overload */
 
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      ManagedFile get( sat::Solvable citem_r )
 
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      { return get( PoolItem(citem_r) ); }
 
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    public:
 
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      /** Implementation. */
 
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      class Impl;
 
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      /** Ctor taking an implementation. */
 
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      explicit CommitPackageCache( Impl * pimpl_r );
 
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    private:
 
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      /** Pointer to implementation. */
 
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      RW_pointer<Impl> _pimpl;
 
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    };
 
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    ///////////////////////////////////////////////////////////////////
 
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    /** \relates CommitPackageCache Stream output */
 
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    std::ostream & operator<<( std::ostream & str, const CommitPackageCache & obj );
 
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    /////////////////////////////////////////////////////////////////
 
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  } // namespace target
 
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  ///////////////////////////////////////////////////////////////////
 
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  /////////////////////////////////////////////////////////////////
 
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} // namespace zypp
 
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///////////////////////////////////////////////////////////////////
 
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#endif // ZYPP_TARGET_COMMITPACKAGECACHE_H