libzypp  15.28.6
SolverQueueItemDelete.cc
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1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 4 -*- */
2 /* SolverQueueItem.cc
3  *
4  * Copyright (C) 2008 SUSE Linux Products GmbH
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License,
8  * version 2, as published by the Free Software Foundation.
9  *
10  * This program is distributed in the hope that it will be useful, but
11  * WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  * General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
18  * 02111-1307, USA.
19  */
20 extern "C"
21 {
22 #include <solv/solver.h>
23 }
24 
25 #define ZYPP_USE_RESOLVER_INTERNALS
26 
27 #include "zypp/base/Logger.h"
28 #include "zypp/IdString.h"
29 #include "zypp/Resolver.h"
31 
33 namespace zypp
34 {
35  namespace solver
37  {
38  namespace detail
40  {
41 
42 using namespace std;
43 
44 IMPL_PTR_TYPE(SolverQueueItemDelete);
45 
46 //---------------------------------------------------------------------------
47 
48 std::ostream &
49 SolverQueueItemDelete::dumpOn( std::ostream & os ) const
50 {
51  os << "[" << (_soft?"Soft":"") << "Delete: "
52  << _name << "]";
53 
54  return os;
55 }
56 
57 //---------------------------------------------------------------------------
58 
59 SolverQueueItemDelete::SolverQueueItemDelete (const ResPool & pool, std::string name, bool soft)
60  : SolverQueueItem (QUEUE_ITEM_TYPE_DELETE, pool)
61  , _name (name)
62  , _soft (soft)
63 {
64 }
65 
66 
68 {
69 }
70 
71 //---------------------------------------------------------------------------
72 
74 {
75 #define MAYBE_CLEANDEPS (pool().resolver().cleandepsOnRemove()?SOLVER_CLEANDEPS:0)
76 
77  ::Id id = IdString(_name).id();
78  if (_soft) {
79  queue_push( &(q), SOLVER_ERASE | SOLVER_SOLVABLE_NAME | SOLVER_WEAK | MAYBE_CLEANDEPS );
80  } else {
81  queue_push( &(q), SOLVER_ERASE | SOLVER_SOLVABLE_NAME | MAYBE_CLEANDEPS );
82  }
83  queue_push( &(q), id);
84 
85  MIL << "Delete " << _name << (_soft ? "(soft)" : "")
86  << " with SAT-Pool: " << id << endl;
87  return true;
88 }
89 
90 SolverQueueItem_Ptr
92 {
93  SolverQueueItemDelete_Ptr new_delete = new SolverQueueItemDelete (pool(), _name);
94  new_delete->SolverQueueItem::copy(this);
95 
96  new_delete->_soft = _soft;
97  return new_delete;
98 }
99 
100 int
101 SolverQueueItemDelete::cmp (SolverQueueItem_constPtr item) const
102 {
103  int cmp = this->compare (item);
104  if (cmp != 0)
105  return cmp;
106  SolverQueueItemDelete_constPtr del = dynamic_pointer_cast<const SolverQueueItemDelete>(item);
107  if (_name != del->_name) {
108  return _name.compare(del->_name);
109  }
110  return 0;
111 }
112 
113 //---------------------------------------------------------------------------
114 
115 
117  };// namespace detail
120  };// namespace solver
123 };// namespace zypp
#define MIL
Definition: Logger.h:64
IdType id() const
Expert backdoor.
Definition: IdString.h:115
#define MAYBE_CLEANDEPS
SolverQueueItemDelete(const ResPool &pool, std::string name, bool soft=false)
Access to the sat-pools string space.
Definition: IdString.h:41
virtual int cmp(SolverQueueItem_constPtr item) const
Global ResObject pool.
Definition: ResPool.h:60
virtual bool addRule(sat::detail::CQueue &q)
IMPL_PTR_TYPE(SATResolver)
virtual SolverQueueItem_Ptr copy(void) const
::_Queue CQueue
Wrapped libsolv C data type exposed as backdoor.
Definition: PoolMember.h:87
virtual std::ostream & dumpOn(std::ostream &str) const