libzypp  17.36.1
SolverQueueItemInstallOneOf.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
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8  * version 2, as published by the Free Software Foundation.
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11  * WITHOUT ANY WARRANTY; without even the implied warranty of
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13  * General Public License for more details.
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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>
29 #include <zypp/sat/Pool.h>
30 
31 #include <utility>
32 
33 using std::endl;
34 
36 namespace zypp
37 {
38  namespace solver
40  {
41  namespace detail
43  {
44 
45 
46 IMPL_PTR_TYPE(SolverQueueItemInstallOneOf);
47 
48 //---------------------------------------------------------------------------
49 
50 std::ostream &
51 SolverQueueItemInstallOneOf::dumpOn( std::ostream & os ) const
52 {
53  os << "[" << (_soft?"Soft":"") << "InstallOneOf: ";
54  for (PoolItemList::const_iterator iter = _oneOfList.begin();
55  iter != _oneOfList.end();
56  iter++)
57  os << *iter;
58  os << "]";
59 
60  return os;
61 }
62 
63 //---------------------------------------------------------------------------
64 
66  bool soft)
67  : SolverQueueItem (QUEUE_ITEM_TYPE_INSTALL_ONE_OF, pool)
68  , _oneOfList (std::move(itemList))
69  , _soft (soft)
70 {
71 }
72 
73 
75 {
76 }
77 
78 //---------------------------------------------------------------------------
79 
81 {
82  bool ret = true;
83  MIL << "Install one of " << (_soft ? "(soft):" : ":")<< endl;
84  Queue qs;
85 
86  if (_soft) {
87  queue_push( &(q), SOLVER_INSTALL | SOLVER_SOLVABLE_ONE_OF | SOLVER_WEAK);
88  } else {
89  queue_push( &(q), SOLVER_INSTALL | SOLVER_SOLVABLE_ONE_OF );
90  }
91 
92  queue_init(&qs);
93  for (PoolItemList::const_iterator iter = _oneOfList.begin(); iter != _oneOfList.end(); iter++) {
94  Id id = (*iter)->satSolvable().id();
95  if (id == ID_NULL) {
96  ERR << *iter << " not found" << endl;
97  ret = false;
98  } else {
99  MIL << " candidate:" << *iter << " with the SAT-Pool ID: " << id << endl;
100  queue_push( &(qs), id );
101  }
102  }
103  sat::Pool satPool( sat::Pool::instance() );
104  queue_push( &(q), pool_queuetowhatprovides(satPool.get(), &qs));
105  queue_free(&qs);
106 
107  return ret;
108 }
109 
110 SolverQueueItem_Ptr
112 {
113  SolverQueueItemInstallOneOf_Ptr new_installOneOf = new SolverQueueItemInstallOneOf (pool(), _oneOfList);
114  new_installOneOf->SolverQueueItem::copy(this);
115  new_installOneOf->_soft = _soft;
116 
117  return new_installOneOf;
118 }
119 
120 int
121 SolverQueueItemInstallOneOf::cmp (SolverQueueItem_constPtr item) const
122 {
123  int cmp = this->compare (item);
124  if (cmp != 0)
125  return cmp;
126  SolverQueueItemInstallOneOf_constPtr install = dynamic_pointer_cast<const SolverQueueItemInstallOneOf>(item);
127 
128  return (_oneOfList == install->_oneOfList) ? 0 : -1; // more evaluation would be not useful
129 }
130 
131 
132 //---------------------------------------------------------------------------
133 
134 
136  };// namespace detail
139  };// namespace solver
142 };// namespace zypp
#define MIL
Definition: Logger.h:100
virtual int cmp(SolverQueueItem_constPtr item) const
virtual std::ostream & dumpOn(std::ostream &str) const
Definition: Arch.h:363
#define ERR
Definition: Logger.h:102
static Pool instance()
Singleton ctor.
Definition: Pool.h:55
detail::CPool * get() const
Expert backdoor.
Definition: Pool.cc:49
SolverQueueItemInstallOneOf(const ResPool &pool, PoolItemList itemList, bool soft=false)
Global ResObject pool.
Definition: ResPool.h:61
Global sat-pool.
Definition: Pool.h:46
IMPL_PTR_TYPE(SATResolver)
::s_Queue CQueue
Wrapped libsolv C data type exposed as backdoor.
Definition: PoolMember.h:62
Easy-to use interface to the ZYPP dependency resolver.
Definition: Application.cc:19