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/Capabilities.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 " << _item; break;
67 case INSTALL: os << "Install " << _item; break;
68 case REMOVE: os << "Remove " << _item; break;
69 case UNLOCK: os << "Unlock " << _item; break;
70 case REMOVE_EXTRA_REQUIRE: os << "Remove require " << _capability; break;
71 case REMOVE_EXTRA_CONFLICT: os << "Remove conflict " << _capability; break;
72 case ADD_SOLVE_QUEUE_ITEM: os << "Add SolveQueueItem " << _solverQueueItem; break;
73 case REMOVE_SOLVE_QUEUE_ITEM: os << "Remove SolveQueueItem " << _solverQueueItem; break;
82 operator<<( ostream& os, const SolutionActionList & actionlist)
84 for (SolutionActionList::const_iterator iter = actionlist.begin(); iter != actionlist.end(); ++iter) {
93 operator<<( ostream& os, const CSolutionActionList & actionlist)
95 for (CSolutionActionList::const_iterator iter = actionlist.begin(); iter != actionlist.end(); ++iter) {
102 //---------------------------------------------------------------------------
105 InjectSolutionAction::dumpOn( ostream& os ) const
107 os << "InjectSolutionAction: ";
109 case WEAK: os << "Weak"; break;
110 default: os << "Wrong kind"; break;
118 //---------------------------------------------------------------------------
122 SolutionAction::dumpOn( std::ostream & os ) const
124 os << "SolutionAction<";
125 os << "not specified";
132 TransactionSolutionAction::execute(Resolver & resolver) const
139 if (_item.status().isToBeUninstalled())
140 ret = _item.status().setTransact (false, ResStatus::USER);
142 _item.status().setToBeInstalled (ResStatus::USER);
145 if (_item.status().isToBeInstalled()) {
146 _item.status().setTransact (false,ResStatus::USER);
147 _item.status().setLock (true,ResStatus::USER); // no other dependency can set it again
148 } else if (_item.status().isInstalled())
149 _item.status().setToBeUninstalled (ResStatus::USER);
151 _item.status().setLock (true,ResStatus::USER); // no other dependency can set it again
154 ret = _item.status().setLock (false, ResStatus::USER);
155 if (!ret) ERR << "Cannot unlock " << _item << endl;
157 case REMOVE_EXTRA_REQUIRE:
158 resolver.removeExtraRequire (_capability);
160 case REMOVE_EXTRA_CONFLICT:
161 resolver.removeExtraConflict (_capability);
163 case ADD_SOLVE_QUEUE_ITEM:
164 resolver.addQueueItem(_solverQueueItem);
166 case REMOVE_SOLVE_QUEUE_ITEM:
167 resolver.removeQueueItem(_solverQueueItem);
170 ERR << "Wrong TransactionKind" << endl;
177 InjectSolutionAction::execute(Resolver & resolver) const
181 // set item dependencies to weak
182 resolver.addWeak (_item);
185 ERR << "No valid InjectSolutionAction kind found" << endl;
192 ///////////////////////////////////////////////////////////////////
193 };// namespace detail
194 /////////////////////////////////////////////////////////////////////
195 /////////////////////////////////////////////////////////////////////
196 };// namespace solver
197 ///////////////////////////////////////////////////////////////////////
198 ///////////////////////////////////////////////////////////////////////
200 /////////////////////////////////////////////////////////////////////////