zypp/target/TargetImpl.cc

   1 /*---------------------------------------------------------------------\
   2 |                          ____ _   __ __ ___                          |
   3 |                         |__  / \ / / . \ . \                         |
   4 |                           / / \ V /|  _/  _/                         |
   5 |                          / /__ | | | | | |                           |
   6 |                         /_____||_| |_| |_|                           |
   7 |                                                                      |
   8 \---------------------------------------------------------------------*/
   9 /** \file       zypp/target/TargetImpl.cc
  10  *
  11 */
  12 #include <iostream>
  13 #include "zypp/base/Logger.h"
  14
  15 #include "zypp/target/TargetImpl.h"
  16
  17 #include <vector>
  18
  19 using namespace std;
  20
  21 ///////////////////////////////////////////////////////////////////
  22 namespace zypp
  23 { /////////////////////////////////////////////////////////////////
  24   ///////////////////////////////////////////////////////////////////
  25   namespace target
  26   { /////////////////////////////////////////////////////////////////
  27
  28     IMPL_PTR_TYPE(TargetImpl);
  29
  30     TargetImpl_Ptr TargetImpl::_nullimpl;
  31
  32     /** Null implementation */
  33     TargetImpl_Ptr TargetImpl::nullimpl()
  34     {
  35       if (_nullimpl == 0)
  36         _nullimpl = new TargetImpl;
  37       return _nullimpl;
  38     }
  39
  40
  41     ///////////////////////////////////////////////////////////////////
  42     //
  43     //  METHOD NAME : TargetImpl::TargetImpl
  44     //  METHOD TYPE : Ctor
  45     //
  46     TargetImpl::TargetImpl(const Pathname & root_r)
  47     : _root(root_r)
  48     {
  49       _rpm.initDatabase();
  50       MIL << "Initialized target on " << _root << endl;
  51     }
  52
  53     ///////////////////////////////////////////////////////////////////
  54     //
  55     //  METHOD NAME : TargetImpl::~TargetImpl
  56     //  METHOD TYPE : Dtor
  57     //
  58     TargetImpl::~TargetImpl()
  59     {
  60       _rpm.closeDatabase();
  61       MIL << "Targets closed" << endl;
  62     }
  63
  64     const ResStore & TargetImpl::resolvables()
  65     {
  66       _store.clear();
  67       // RPM objects
  68       std::list<Package::Ptr> packages = _rpm.getPackages();
  69       for (std::list<Package::Ptr>::const_iterator it = packages.begin();
  70            it != packages.end();
  71            it++)
  72       {
  73         _store.insert(*it);
  74       }
  75       // TODO objects from the XML store
  76       return _store;
  77     }
  78
  79     void TargetImpl::commit(ResPool & pool_r)
  80     {
  81 #warning FIXME this orderding doesn't honor the dependencies
  82       vector<ResObject::constPtr> to_uninstall;
  83       vector<ResObject::constPtr> to_install;
  84       for (ResPool::const_iterator it = pool_r.begin();
  85            it != pool_r.end(); it++)
  86       {
  87         if (it->status().isToBeInstalled())
  88         {
  89           to_install.push_back(it->resolvable());
  90         }
  91         else if (it->status().isToBeUninstalled())
  92         {
  93           to_uninstall.push_back(it->resolvable());
  94         }
  95       }
  96       // first uninstall what is to be uninstalled
  97       for (vector<ResObject::constPtr>::const_iterator it = to_uninstall.begin();
  98            it != to_uninstall.end();
  99            it++)
 100       {
 101         if (isKind<Package>(*it))
 102         {
 103           Package::constPtr p = dynamic_pointer_cast<const Package>(*it);
 104           rpm().removePackage(p);
 105         }
 106 #warning FIXME other resolvables (once more below)
 107       }
 108       // now install what is to be installed
 109       for (vector<ResObject::constPtr>::const_iterator it = to_install.begin();
 110            it != to_install.end();
 111            it++)
 112       {
 113         if (isKind<Package>(*it))
 114         {
 115           Package::constPtr p = dynamic_pointer_cast<const Package>(*it);
 116           rpm().installPackage(p->getPlainRpm(), rpm::RpmDb::RPMINST_NOUPGRADE);
 117         }
 118       }
 119     }
 120
 121     rpm::RpmDb & TargetImpl::rpm()
 122     { return _rpm; }
 123
 124     /////////////////////////////////////////////////////////////////
 125   } // namespace target
 126   ///////////////////////////////////////////////////////////////////
 127   /////////////////////////////////////////////////////////////////
 128 } // namespace zypp
 129 ///////////////////////////////////////////////////////////////////