1 // Copyright (C) 2006-2008 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
19 #include "Dispatcher.hxx"
24 #include "YacsTrace.hxx"
26 using namespace YACS::ENGINE;
32 void Observer::notifyObserver(Node* object, const std::string& event)
34 DEBTRACE("notifyObserver " << event << object );
37 Dispatcher* Dispatcher::_singleton = 0;
39 Dispatcher::~Dispatcher()
41 Dispatcher::_singleton =0;
44 Dispatcher* Dispatcher::getDispatcher()
46 if ( !Dispatcher::_singleton )
48 Dispatcher::_singleton =new Dispatcher;
50 return Dispatcher::_singleton;
53 void Dispatcher::setDispatcher(Dispatcher* dispatcher)
55 Dispatcher::_singleton=dispatcher;
58 void Dispatcher::printObservers()
60 std::cerr << "Dispatcher::printObservers " << std::endl;
61 typedef std::map< std::pair<Node*,std::string> , std::set<Observer*> >::iterator it;
62 typedef std::set<Observer*>::iterator jt;
64 for(it i=_observers.begin();i!=_observers.end();i++)
66 std::cerr << "Node*: " << (*i).first.first << " event: " << (*i).first.second << std::endl;
67 for(jt j=(*i).second.begin();j!=(*i).second.end();j++)
69 std::cerr << "observer: " << *j << std::endl;
74 void Dispatcher::dispatch(Node* object, const std::string& event)
76 DEBTRACE("Dispatcher::dispatch " << event );
77 typedef std::set<Observer*>::iterator jt;
78 std::pair<Node*,std::string> key(object,event);
79 if(_observers.count(key) != 0)
81 for(jt iter=_observers[key].begin();iter!=_observers[key].end();iter++)
83 (*iter)->notifyObserver(object,event);
88 void Dispatcher::addObserver(Observer* observer,Node* object, const std::string& event)
90 _observers[std::pair<Node*,std::string>(object,event)].insert(observer);
94 void Dispatcher::removeObserver(Observer* observer,Node* object, const std::string& event)
96 _observers[std::pair<Node*,std::string>(object,event)].erase(observer);