1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 4 -*- */
4 * Copyright (C) 2000-2002 Ximian, Inc.
5 * Copyright (C) 2005 SUSE Linux Products GmbH
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License,
9 * version 2, as published by the Free Software Foundation.
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
22 #ifndef ZYPP_SOLVER_DETAIL_SAT_RESOLVER_H
23 #define ZYPP_SOLVER_DETAIL_SAT_RESOLVER_H
30 #include "zypp/base/ReferenceCounted.h"
31 #include "zypp/base/PtrTypes.h"
32 #include "zypp/ResPool.h"
33 #include "zypp/base/SerialNumber.h"
34 #include "zypp/ProblemTypes.h"
35 #include "zypp/ResolverProblem.h"
36 #include "zypp/ProblemSolution.h"
37 #include "zypp/Capability.h"
39 #include "satsolver/solver.h"
40 #include "satsolver/pool.h"
44 /////////////////////////////////////////////////////////////////////////
46 { ///////////////////////////////////////////////////////////////////////
47 ///////////////////////////////////////////////////////////////////////
49 { /////////////////////////////////////////////////////////////////////
50 /////////////////////////////////////////////////////////////////////
52 { ///////////////////////////////////////////////////////////////////
55 ///////////////////////////////////////////////////////////////////
57 // CLASS NAME : SATResolver
59 class SATResolver : public base::ReferenceCounted, private base::NonCopyable {
67 // list populated by calls to addPoolItemTo*()
68 PoolItemList _items_to_install;
69 PoolItemList _items_to_remove;
70 PoolItemList _items_to_lock;
72 bool _fixsystem; /* repair errors in rpm dependency graph */
73 bool _allowdowngrade; /* allow to downgrade installed solvable */
74 bool _allowarchchange; /* allow to change architecture of installed solvables */
75 bool _allowvendorchange; /* allow to change vendor of installed solvables */
76 bool _allowuninstall; /* allow removal of installed solvables */
77 bool _updatesystem; /* distupgrade */
78 bool _allowvirtualconflicts; /* false: conflicts on package name, true: conflicts on package provides */
79 bool _noupdateprovide; /* true: update packages needs not to provide old package */
80 bool _dosplitprovides; /* true: consider legacy split provides */
82 // ---------------------------------- methods
83 std::string SATprobleminfoString (Id problem);
87 SATResolver (const ResPool & pool, Pool *SATPool);
88 virtual ~SATResolver();
90 // ---------------------------------- I/O
92 virtual std::ostream & dumpOn( std::ostream & str ) const;
93 friend std::ostream& operator<<(std::ostream& str, const SATResolver & obj)
94 { return obj.dumpOn (str); }
96 ResPool pool (void) const;
97 void setPool (const ResPool & pool) { _pool = pool; }
99 bool resolvePool(const CapabilitySet & requires_caps,
100 const CapabilitySet & conflict_caps);
102 ResolverProblemList problems ();
103 void applySolutions (const ProblemSolutionList &solutions);
105 void addPoolItemToInstall (PoolItem item);
106 void addPoolItemsToInstallFromList (PoolItemList & rl);
108 void addPoolItemToLock (PoolItem item);
110 void addPoolItemToRemove (PoolItem item);
111 void addPoolItemsToRemoveFromList (PoolItemList & rl);
113 bool fixsystem () const {return _fixsystem;}
114 void setFixsystem ( const bool fixsystem) { _fixsystem = fixsystem;}
116 bool allowdowngrade () const {return _allowdowngrade;}
117 void setAllowdowngrade ( const bool allowdowngrade) { _allowdowngrade = allowdowngrade;}
119 bool allowarchchange () const {return _allowarchchange;}
120 void setAllowarchchange ( const bool allowarchchange) { _allowarchchange = allowarchchange;}
122 bool allowvendorchange () const {return _allowvendorchange;}
123 void setAllowvendorchange ( const bool allowvendorchange) { _allowvendorchange = allowvendorchange;}
125 bool allowuninstall () const {return _allowuninstall;}
126 void setAllowuninstall ( const bool allowuninstall) { _allowuninstall = allowuninstall;}
128 bool updatesystem () const {return _updatesystem;}
129 void setUpdatesystem ( const bool updatesystem) { _updatesystem = updatesystem;}
131 bool allowvirtualconflicts () const {return _allowvirtualconflicts;}
132 void setAllowvirtualconflicts ( const bool allowvirtualconflicts) { _allowvirtualconflicts = allowvirtualconflicts;}
134 bool noupdateprovide () const {return _noupdateprovide;}
135 void setNoupdateprovide ( const bool noupdateprovide) { _noupdateprovide = noupdateprovide;}
137 bool dosplitprovides () const {return _dosplitprovides;}
138 void setDosplitprovides ( const bool dosplitprovides) { _dosplitprovides = dosplitprovides;}
140 PoolItemList whoProvides(Capability cap);
141 bool doesObsoleteItem (PoolItem candidate, PoolItem installed);
144 ///////////////////////////////////////////////////////////////////
145 };// namespace detail
146 /////////////////////////////////////////////////////////////////////
147 /////////////////////////////////////////////////////////////////////
148 };// namespace solver
149 ///////////////////////////////////////////////////////////////////////
150 ///////////////////////////////////////////////////////////////////////
152 /////////////////////////////////////////////////////////////////////////
154 #endif // ZYPP_SOLVER_DETAIL_SAT_RESOLVER_H