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ProblemSolution.cc
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ProblemSolution.cc
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 4 -*- */
/* ProblemSolution.cc
*
* Easy-to use interface to the ZYPP dependency resolver
*
* Copyright (C) 2000-2002 Ximian, Inc.
* Copyright (C) 2005 SUSE Linux Products GmbH
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
* 02111-1307, USA.
*/
#include "zypp/solver/detail/Types.h"
#include "zypp/solver/detail/SolutionAction.h"
#include "zypp/ProblemSolution.h"
#include "zypp/base/Logger.h"
#include "zypp/solver/detail/Resolver.h"
using namespace std;
/////////////////////////////////////////////////////////////////////////
namespace zypp
{ ///////////////////////////////////////////////////////////////////////
IMPL_PTR_TYPE(ProblemSolution);
//---------------------------------------------------------------------------
ostream&
operator<<( ostream& os, const ProblemSolution & solution)
{
os << "Solution:" << endl;
os << solution._description << endl;
os << solution._details << endl;
os << solution._actions;
return os;
}
ostream&
operator<<( ostream& os, const ProblemSolutionList & solutionlist)
{
for (ProblemSolutionList::const_iterator iter = solutionlist.begin(); iter != solutionlist.end(); ++iter) {
os << *(*iter) << endl;
}
return os;
}
ostream&
operator<<( ostream& os, const CProblemSolutionList & solutionlist)
{
for (CProblemSolutionList::const_iterator iter = solutionlist.begin(); iter != solutionlist.end(); ++iter) {
os << *(*iter) << endl;
}
return os;
}
//---------------------------------------------------------------------------
ProblemSolution::ProblemSolution( ResolverProblem_Ptr parent, const string & description, const string & details )
: _problem (parent)
, _description (description)
, _details (details)
{
}
ProblemSolution::~ProblemSolution()
{
}
/**
* Apply this solution, i.e. execute all of its actions.
*
* Returns 'true' on success, 'false' if actions could not be performed.
**/
bool
ProblemSolution::apply (solver::detail::Resolver & resolver)
{
DBG << "apply solution " << *this << endl;
bool ret = true;
for (solver::detail::CSolutionActionList::const_iterator iter = _actions.begin();
iter != _actions.end(); ++iter) {
solver::detail::SolutionAction_constPtr action = *iter;
if (! action->execute (resolver))
{
WAR << "apply solution action failed: " << action << endl;
ret = false;
break;
}
}
return ret;
}
/**
* Add an action to the actions list.
**/
void
ProblemSolution::addAction (solver::detail::SolutionAction_constPtr action)
{
_actions.push_back (action);
}
void
ProblemSolution::clear()
{
_actions.clear();
}
///////////////////////////////////////////////////////////////////////
};// namespace zypp
/////////////////////////////////////////////////////////////////////////