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5 * Copyright (C) 2005 SUSE Linux Products GmbH
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22 #ifndef ZYPP_SOLVER_DETAIL_RESOLVER_H
23 #define ZYPP_SOLVER_DETAIL_RESOLVER_H
30 #include "zypp/base/ReferenceCounted.h"
31 #include "zypp/base/PtrTypes.h"
33 #include "zypp/ResPool.h"
34 #include "zypp/TriBool.h"
35 #include "zypp/base/SerialNumber.h"
37 #include "zypp/solver/detail/Types.h"
38 #include "zypp/solver/detail/SolverQueueItem.h"
40 #include "zypp/ProblemTypes.h"
41 #include "zypp/ResolverProblem.h"
42 #include "zypp/ProblemSolution.h"
43 #include "zypp/UpgradeStatistics.h"
44 #include "zypp/Capabilities.h"
45 #include "zypp/Capability.h"
48 /////////////////////////////////////////////////////////////////////////
50 { ///////////////////////////////////////////////////////////////////////
51 ///////////////////////////////////////////////////////////////////////
53 { /////////////////////////////////////////////////////////////////////
54 /////////////////////////////////////////////////////////////////////
56 { ///////////////////////////////////////////////////////////////////
61 ///////////////////////////////////////////////////////////////////
63 // CLASS NAME : ItemCapKind
69 Capability cap; //Capability which has triggerd this selection
70 Dep capKind; //Kind of that capability
71 PoolItem item; //Item which has triggered this selection
72 bool initialInstallation; //This item has triggered the installation
73 //Not already fullfilled requierement only.
75 ItemCapKind() : capKind(Dep::PROVIDES) {}
76 ItemCapKind( PoolItem i, Capability c, Dep k, bool initial)
80 , initialInstallation( initial )
83 typedef std::multimap<PoolItem,ItemCapKind> ItemCapKindMap;
84 typedef std::list<ItemCapKind> ItemCapKindList;
87 ///////////////////////////////////////////////////////////////////
89 // CLASS NAME : Resolver
91 class Resolver : public base::ReferenceCounted, private base::NonCopyable {
95 SATResolver *_satResolver;
96 SerialNumberWatcher _poolchanged;
99 CapabilitySet _extra_requires;
100 CapabilitySet _extra_conflicts;
102 // Regard dependencies of the item weak onl
103 PoolItemList _addWeak;
105 bool _forceResolve; // remove items which are conflicts with others or
106 // have unfulfilled requirements.
107 // This behaviour is favourited by ZMD
108 bool _upgradeMode; // Resolver has been called with doUpgrade
109 bool _updateMode; // Resolver has been called with doUpdate
110 bool _verifying; // The system will be checked
111 TriBool _onlyRequires; // do install required resolvables only
112 // no recommended resolvables, language
113 // packages, hardware packages (modalias)
114 bool _solveSrcPackages; // whether to generate solver jobs for selected source packges.
116 bool _ignorealreadyrecommended; //ignore recommended packages that have already been recommended by the installed packages
118 // Additional QueueItems which has to be regarded by the solver
119 // This will be used e.g. by solution actions
120 solver::detail::SolverQueueItemList _removed_queue_items;
121 solver::detail::SolverQueueItemList _added_queue_items;
123 // Additional information about the solverrun
124 ItemCapKindMap _isInstalledBy;
125 ItemCapKindMap _installs;
126 ItemCapKindMap _satifiedByInstalled;
127 ItemCapKindMap _installedSatisfied;
130 void collectResolverInfo (void);
132 // Unmaintained packages which does not fit to the updated system
133 // (broken dependencies) will be deleted.
134 // returns true if solving was successful
135 bool checkUnmaintainedItems ();
141 Resolver (const ResPool & pool);
144 // ---------------------------------- I/O
146 virtual std::ostream & dumpOn( std::ostream & str ) const;
147 friend std::ostream& operator<<(std::ostream& str, const Resolver & obj)
148 { return obj.dumpOn (str); }
150 // ---------------------------------- methods
152 ResPool pool (void) const;
153 void setPool (const ResPool & pool) { _pool = pool; }
155 void addExtraRequire (const Capability & capability);
156 void removeExtraRequire (const Capability & capability);
157 void addExtraConflict (const Capability & capability);
158 void removeExtraConflict (const Capability & capability);
160 void removeQueueItem (const SolverQueueItem_Ptr item);
161 void addQueueItem (const SolverQueueItem_Ptr item);
163 const CapabilitySet extraRequires () { return _extra_requires; }
164 const CapabilitySet extraConflicts () { return _extra_conflicts; }
166 void addWeak (const PoolItem item);
168 void setForceResolve (const bool force) { _forceResolve = force; }
169 bool forceResolve() { return _forceResolve; }
171 void setIgnorealreadyrecommended (const bool ignorealreadyrecommended)
172 { _ignorealreadyrecommended = ignorealreadyrecommended; }
173 bool ignorealreadyrecommended() { return _ignorealreadyrecommended; }
175 void setOnlyRequires (const TriBool state)
176 { _onlyRequires = state; }
177 TriBool onlyRequires () { return _onlyRequires; }
179 bool verifySystem ();
181 bool resolveQueue(solver::detail::SolverQueueItemList & queue);
184 bool doUpgrade( zypp::UpgradeStatistics & opt_stats_r );
185 PoolItemList problematicUpdateItems( void ) const;
187 bool isUpgradeMode() const { return _upgradeMode;};// Resolver has been called with doUpgrade
188 bool isUpdateMode() const { return _updateMode;}; // Resolver has been called with doUpdate
189 bool isVerifyingMode() const { return _verifying;}; // The system will be checked
190 void setVerifyingMode( TriBool state_r ) { _verifying = ( state_r == indeterminate ) ? false : bool(state_r); }
192 bool solveSrcPackages() const { return _solveSrcPackages; }
193 void setSolveSrcPackages( TriBool state_r ) { _solveSrcPackages = ( state_r == indeterminate ) ? false : bool(state_r); }
195 ResolverProblemList problems () const;
196 void applySolutions (const ProblemSolutionList &solutions);
198 // reset all SOLVER transaction in pool
201 void reset (bool keepExtras = false );
203 bool testing(void) const { return _testing; }
204 void setTesting( bool testing ) { _testing = testing; }
206 // Get more information about the solverrun
207 // Which item will be installed by another item or triggers an item for
209 const ItemCapKindList isInstalledBy (const PoolItem item);
210 const ItemCapKindList installs (const PoolItem item);
211 const ItemCapKindList satifiedByInstalled (const PoolItem item);
212 const ItemCapKindList installedSatisfied (const PoolItem item);
216 ///////////////////////////////////////////////////////////////////
217 };// namespace detail
218 /////////////////////////////////////////////////////////////////////
219 /////////////////////////////////////////////////////////////////////
220 };// namespace solver
221 ///////////////////////////////////////////////////////////////////////
222 ///////////////////////////////////////////////////////////////////////
224 /////////////////////////////////////////////////////////////////////////
226 #endif // ZYPP_SOLVER_DETAIL_RESOLVER_H