1 // Copyright (C) 2006-2012 CEA/DEN, EDF R&D
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
23 #include "YACSlibEngineExport.hxx"
24 #include "StaticDefinedComposedNode.hxx"
30 class YACSLIBENGINE_EXPORT Bloc : public StaticDefinedComposedNode
33 std::list<Node *> _setOfNode;//OWNERSHIP OF ALL NODES
34 //! For internal calculations
35 mutable std::map<Node *,std::set<Node *> > *_fwLinks;
36 //! For internal calculations
37 mutable std::map<Node *,std::set<Node *> > *_bwLinks;
39 Node *simpleClone(ComposedNode *father, bool editionOnly=true) const;
41 Bloc(const Bloc& other, ComposedNode *father, bool editionOnly);
42 Bloc(const std::string& name);
45 int getNumberOfCFLinks() const;
46 void init(bool start=true);
47 void getReadyTasks(std::vector<Task *>& tasks);
49 //Node* DISOWNnode is a SWIG notation to indicate that the ownership of the node is transfered to C++
50 bool edAddChild(Node *DISOWNnode) throw(Exception);
51 void edRemoveChild(Node *node) throw(Exception);
52 std::list<Node *> getChildren() const { return _setOfNode; }
53 std::list<Node *> edGetDirectDescendants() const { return _setOfNode; }
54 Node *getChildByShortName(const std::string& name) const throw(Exception);
55 void selectRunnableTasks(std::vector<Task *>& tasks);
56 virtual void writeDot(std::ostream &os) const;
57 void accept(Visitor *visitor);
58 template<bool direction>
59 void findAllPathsStartingFrom(Node *start, std::list< std::vector<Node *> >& vec, std::map<Node *, std::set<Node *> >& accelStr) const;
60 template<bool direction>
61 void findAllNodesStartingFrom(Node *start, std::set<Node *>& result, std::map<Node *, std::set<Node *> >& accelStr, LinkInfo& info) const;
62 virtual std::string typeName() {return "YACS__ENGINE__Bloc";}
64 bool areAllSubNodesFinished() const;
65 bool areAllSubNodesDone() const;
66 bool isNameAlreadyUsed(const std::string& name) const;
67 void checkNoCyclePassingThrough(Node *node) throw(Exception);
68 std::vector< std::pair<OutGate *, InGate *> > getSetOfInternalCFLinks() const;
69 YACS::Event updateStateOnFinishedEventFrom(Node *node);
70 YACS::Event updateStateOnFailedEventFrom(Node *node);
71 void initComputation() const;
72 void performCFComputations(LinkInfo& info) const;
73 void destructCFComputations(LinkInfo& info) const;
74 void checkControlDependancy(OutPort *start, InPort *end, bool cross,
75 std::map < ComposedNode *, std::list < OutPort * >, SortHierarc >& fw,
76 std::vector<OutPort *>& fwCross,
77 std::map< ComposedNode *, std::list < OutPort *>, SortHierarc >& bw,
78 LinkInfo& info) const;
79 bool areLinked(Node *start, Node *end, bool fw) const;
80 bool arePossiblyRunnableAtSameTime(Node *start, Node *end) const;
81 void checkCFLinks(const std::list<OutPort *>& starts, InputPort *end, unsigned char& alreadyFed, bool direction, LinkInfo& info) const;
82 static void verdictForOkAndUseless1(const std::map<Node *,std::list <OutPort *> >& pool, InputPort *end, const std::vector<Node *>& candidates,
83 unsigned char& alreadyFed, bool direction, LinkInfo& info);
84 static void verdictForCollapses(const std::map<Node *,std::list <OutPort *> >& pool, InputPort *end, const std::set<Node *>& candidates,
85 unsigned char& alreadyFed, bool direction, LinkInfo& info);
86 void seekOkAndUseless1(std::vector<Node *>& okAndUseless1, std::set<Node *>& allNodes) const;
87 void seekUseless2(std::vector<Node *>& useless2, std::set<Node *>& allNodes) const;
89 static void findUselessLinksIn(const std::list< std::vector<Node *> >& res , LinkInfo& info);
90 template<bool direction>
91 static unsigned appendIfAlreadyFound(std::list< std::vector<Node *> >& res, const std::vector<Node *>& startRes, Node *node, std::map<Node *, std::set<Node *> >& fastFinder);
92 static void updateWithNewFind(const std::vector<Node *>& path, std::map<Node *, std::set<Node *> >& fastFinder);
95 template<bool direction>
96 struct CFDirectionVisTraits
101 struct CFDirectionVisTraits<true>
103 typedef std::map<InGate *,bool>::iterator Iterator;
104 typedef std::map<InGate *,bool>& Nexts;
105 static Nexts getNexts(Node *node) { return node->getOutGate()->edMapInGate(); }
110 struct CFDirectionVisTraits<false>
112 typedef std::map<OutGate *,bool>::iterator Iterator;
113 typedef std::map<OutGate *,bool>& Nexts;
114 static Nexts getNexts(Node *node) { return node->getInGate()->edMapOutGate(); }
118 * Internal method for CF computation. Given 'fastFinder' it searched 'node' to see if an already found path in 'res' go through 'node'.
119 * If true all paths are deduced and append to res and 'fastFinder' is updated for next turn.
121 template<bool direction>
122 unsigned Bloc::appendIfAlreadyFound(std::list< std::vector<Node *> >& res, const std::vector<Node *>& startRes, Node *node, std::map<Node *, std::set<Node *> >& fastFinder)
124 std::map<Node *, std::set<Node *> >::const_iterator iter=fastFinder.find(node);
125 if(iter==fastFinder.end())
128 std::vector<std::pair<std::set<Node *>::iterator, std::set<Node *>::iterator > > li;
129 li.push_back(std::pair<std::set<Node *>::iterator, std::set<Node *>::iterator>(((*iter).second).begin(),((*iter).second).end()));
130 std::vector<Node *> work(startRes);
131 std::list< std::vector<Node *> >::iterator where=res.end(); where--;
132 std::list< std::vector<Node *> >::iterator updates=where;
135 if(li.back().first!=li.back().second)
137 work.push_back(*(li.back().first));
138 if(CFDirectionVisTraits<direction>::getNexts(work.back()).empty())
140 where=res.insert(where,work);
147 const std::set<Node *>& s=fastFinder[*(li.back().first)];
148 li.push_back(std::pair<std::set<Node *>::iterator, std::set<Node *>::iterator>(s.begin(),s.end()));
160 for(unsigned i=0;i<ret;i++,updates--)
161 updateWithNewFind(*updates,fastFinder);
165 template<bool direction>
166 void Bloc::findAllNodesStartingFrom(Node *start, std::set<Node *>& result,
167 std::map<Node *, std::set<Node *> >& accelStr, LinkInfo& info) const
169 std::list< std::vector<Node *> > li;
170 findAllPathsStartingFrom<direction>(start,li,accelStr);
171 for(std::list< std::vector<Node *> >::const_iterator iter=li.begin();iter!=li.end();iter++)
172 for(std::vector<Node *>::const_iterator iter2=(*iter).begin()+1;iter2!=(*iter).end();iter2++)
173 result.insert(*iter2);
175 findUselessLinksIn(li,info);
179 * Method for CF computation.DFS visitor is used.
180 * if direction is true forward visiting is performed, if false backward is performed.
181 * \param start \b must be a direct descendant of 'this'.
185 template<bool direction>
186 void Bloc::findAllPathsStartingFrom(Node *start, std::list< std::vector<Node *> >& vec,
187 std::map<Node *, std::set<Node *> >& accelStr) const
193 vec.push_back(std::vector<Node *>());
194 typename CFDirectionVisTraits<direction>::Iterator iter;
195 std::list< std::vector<Node *> >::iterator curLine=vec.begin();
196 while(start->_colour!=YACS::Black)
198 (*curLine).push_back(current);
201 if(CFDirectionVisTraits<direction>::getNexts(current).empty())
204 vec.push_back(std::vector<Node *>((*curLine)));
205 updateWithNewFind(*curLine,accelStr);
206 current->_colour=YACS::Black;
211 current=(*curLine)[idInCase];
212 (*curLine).pop_back();
213 (*curLine).pop_back();
217 if(current->_colour==YACS::Black)
219 appendIfAlreadyFound<direction>(vec,(*curLine),current,accelStr);
220 curLine=vec.end(); curLine--;
221 current->_colour=YACS::Black;
225 current=(*curLine)[idInCase];
226 (*curLine).pop_back();
227 (*curLine).pop_back();
231 for(iter=CFDirectionVisTraits<direction>::getNexts(current).begin();iter!=CFDirectionVisTraits<direction>::getNexts(current).end();iter++)
234 if(iter==CFDirectionVisTraits<direction>::getNexts(current).end())
235 {//Fail this branch should be forgotten go rev
236 current->_colour=YACS::Black;
237 (*curLine).pop_back();
241 current=(*curLine)[idInCase];
242 (*curLine).pop_back();
247 //Nothing to signal continuing in this direction hoping to find
248 current=(*iter).first->getNode();