OpenWalnut 1.2.5
WModuleOutputConnector.cpp
00001 //---------------------------------------------------------------------------
00002 //
00003 // Project: OpenWalnut ( http://www.openwalnut.org )
00004 //
00005 // Copyright 2009 OpenWalnut Community, BSV@Uni-Leipzig and CNCF@MPI-CBS
00006 // For more information see http://www.openwalnut.org/copying
00007 //
00008 // This file is part of OpenWalnut.
00009 //
00010 // OpenWalnut is free software: you can redistribute it and/or modify
00011 // it under the terms of the GNU Lesser General Public License as published by
00012 // the Free Software Foundation, either version 3 of the License, or
00013 // (at your option) any later version.
00014 //
00015 // OpenWalnut is distributed in the hope that it will be useful,
00016 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00017 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00018 // GNU Lesser General Public License for more details.
00019 //
00020 // You should have received a copy of the GNU Lesser General Public License
00021 // along with OpenWalnut. If not, see <http://www.gnu.org/licenses/>.
00022 //
00023 //---------------------------------------------------------------------------
00024 
00025 #include <string>
00026 #include <iostream>
00027 
00028 #include <boost/signals2/signal.hpp>
00029 #include <boost/signals2/connection.hpp>
00030 
00031 #include "WModule.h"
00032 #include "WModuleInputConnector.h"
00033 #include "WModuleConnectorSignals.h"
00034 
00035 #include "WModuleOutputConnector.h"
00036 
00037 WModuleOutputConnector::WModuleOutputConnector( boost::shared_ptr< WModule > module, std::string name, std::string description ):
00038     WModuleConnector( module, name, description )
00039 {
00040     // initialize members
00041 }
00042 
00043 WModuleOutputConnector::~WModuleOutputConnector()
00044 {
00045     // cleanup
00046 }
00047 
00048 bool WModuleOutputConnector::connectable( boost::shared_ptr<WModuleConnector> con )
00049 {
00050     // output connectors are just allowed to get connected with input connectors
00051     if( dynamic_cast<WModuleInputConnector*>( con.get() ) )  // NOLINT - since we really need them here
00052     {
00053         return true;
00054     }
00055 
00056     return false;
00057 }
00058 
00059 boost::signals2::connection WModuleOutputConnector::subscribeSignal( MODULE_CONNECTOR_SIGNAL signal,
00060                                                                      t_GenericSignalHandlerType notifier )
00061 {
00062     // connect DataChanged signal
00063     switch ( signal )
00064     {
00065         case DATA_CHANGED:
00066             return signal_DataChanged.connect( notifier );
00067         default:    // we do not know this signal: maybe the base class knows it
00068             return WModuleConnector::subscribeSignal( signal, notifier );
00069     }
00070 }
00071 
00072 void WModuleOutputConnector::propagateDataChange()
00073 {
00074     signal_DataChanged( boost::shared_ptr<WModuleConnector>(), shared_from_this() );
00075 }
00076 
00077 bool WModuleOutputConnector::isInputConnector() const
00078 {
00079     return false;
00080 }
00081 
00082 bool WModuleOutputConnector::isOutputConnector() const
00083 {
00084     return true;
00085 }
 All Classes Namespaces Functions Variables Typedefs Enumerations Enumerator Friends