1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 4 -*- */
4 * Easy-to use interface to the ZYPP dependency resolver
6 * Copyright (C) 2000-2002 Ximian, Inc.
7 * Copyright (C) 2005 SUSE Linux Products GmbH
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License,
11 * version 2, as published by the Free Software Foundation.
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
24 #include "zypp/solver/detail/Resolver.h"
25 #include "zypp/solver/detail/SolutionAction.h"
26 #include "zypp/CapSet.h"
27 #include "zypp/base/Logger.h"
28 #include "zypp/Dependencies.h"
31 /////////////////////////////////////////////////////////////////////////
33 { ///////////////////////////////////////////////////////////////////////
34 ///////////////////////////////////////////////////////////////////////
36 { /////////////////////////////////////////////////////////////////////
37 /////////////////////////////////////////////////////////////////////
39 { ///////////////////////////////////////////////////////////////////
43 IMPL_PTR_TYPE(SolutionAction);
44 IMPL_PTR_TYPE(TransactionSolutionAction);
45 IMPL_PTR_TYPE(InjectSolutionAction);
47 //---------------------------------------------------------------------------
49 SolutionAction::SolutionAction()
54 SolutionAction::~SolutionAction()
59 //---------------------------------------------------------------------------
62 TransactionSolutionAction::dumpOn( ostream& os) const
64 os << "TransactionSolutionAction: ";
66 case KEEP: os << "Keep"; break;
67 case INSTALL: os << "Install"; break;
68 case REMOVE: os << "Remove"; break;
69 case UNLOCK: os << "Unlock"; break;
70 case ALLBRANCHES: os << "All branches"; break;
80 operator<<( ostream& os, const SolutionActionList & actionlist)
82 for (SolutionActionList::const_iterator iter = actionlist.begin(); iter != actionlist.end(); ++iter) {
91 operator<<( ostream& os, const CSolutionActionList & actionlist)
93 for (CSolutionActionList::const_iterator iter = actionlist.begin(); iter != actionlist.end(); ++iter) {
100 //---------------------------------------------------------------------------
103 InjectSolutionAction::dumpOn( ostream& os ) const
105 os << "InjectSolutionAction: ";
109 case REQUIRES: os << "Requires"; break;
110 case CONFLICTS: os << "Conflicts"; break;
111 case OBSOLETES: os << "Obsoletes"; break;
112 case INSTALLED: os << "Installed"; break;
113 case ARCHITECTURE: os << "Architecture"; break;
114 default: os << "Wrong kind"; break;
122 //---------------------------------------------------------------------------
126 SolutionAction::dumpOn( std::ostream & os ) const
128 os << "SolutionAction<";
129 os << "not specified";
136 TransactionSolutionAction::execute(Resolver & resolver) const
141 resolver.addIgnoreInstalledItem( _item );
144 if (_item.status().isToBeUninstalled())
145 ret = _item.status().setTransact (false, ResStatus::USER);
147 _item.status().setToBeInstalled (ResStatus::USER);
150 if (_item.status().isToBeInstalled()) {
151 _item.status().setTransact (false,ResStatus::USER);
152 _item.status().setLock (true,ResStatus::USER); // no other dependency can set it again
153 } else if (_item.status().isInstalled())
154 _item.status().setToBeUninstalled (ResStatus::USER);
156 _item.status().setLock (true,ResStatus::USER); // no other dependency can set it again
159 ret = _item.status().setLock (false, ResStatus::USER);
160 if (!ret) ERR << "Cannot unlock " << _item << endl;
163 resolver.setTryAllPossibilities (true);
166 ERR << "Wrong TransactionKind" << endl;
173 InjectSolutionAction::execute(Resolver & resolver) const
175 Dependencies dependencies = _item.resolvable()->deps();
176 CapSet depList = dependencies[Dep::CONFLICTS];
179 // removing conflict in both resolvables
180 for (CapSet::const_iterator iter = depList.begin(); iter != depList.end(); iter++) {
181 if (iter->matches (_capability) != CapMatch::yes )
183 resolver.addIgnoreConflict (_item, _capability);
186 // Obsoletes are conflicts too
187 depList = dependencies[Dep::OBSOLETES];
188 for (CapSet::const_iterator iter = depList.begin(); iter != depList.end(); iter++) {
189 if (iter->matches (_capability) != CapMatch::yes )
191 resolver.addIgnoreConflict (_otherItem, _capability);
195 dependencies = _otherItem.resolvable()->deps();
196 depList = dependencies[Dep::CONFLICTS];
197 for (CapSet::const_iterator iter = depList.begin(); iter != depList.end(); iter++) {
198 if (iter->matches (_capability) != CapMatch::yes )
200 resolver.addIgnoreConflict (_otherItem, _capability);
203 // Obsoletes are conflicts too
204 depList = dependencies[Dep::OBSOLETES];
205 for (CapSet::const_iterator iter = depList.begin(); iter != depList.end(); iter++) {
206 if (iter->matches (_capability) != CapMatch::yes )
208 resolver.addIgnoreConflict (_otherItem, _capability);
214 // removing the requires dependency from the item
215 resolver.addIgnoreRequires (_item, _capability);
218 // This item is for ALL architectures available
219 resolver.addIgnoreArchitectureItem (_item);
222 // removing the obsoletes dependency from the item
223 resolver.addIgnoreObsoletes (_otherItem, _capability);
226 // ignoring already installed items
227 resolver.addIgnoreInstalledItem (_item);
228 resolver.addIgnoreInstalledItem (_otherItem);
231 ERR << "No valid InjectSolutionAction kind found" << endl;
238 ///////////////////////////////////////////////////////////////////
239 };// namespace detail
240 /////////////////////////////////////////////////////////////////////
241 /////////////////////////////////////////////////////////////////////
242 };// namespace solver
243 ///////////////////////////////////////////////////////////////////////
244 ///////////////////////////////////////////////////////////////////////
246 /////////////////////////////////////////////////////////////////////////