src/Supervision/StreamGraph_Impl.cxx

   1 //  SUPERV Supervision : contains the implementation of interfaces of SuperVision described in SUPERV.idl
   2 //
   3 //  Copyright (C) 2003  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
   4 //  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
   5 //
   6 //  This library is free software; you can redistribute it and/or
   7 //  modify it under the terms of the GNU Lesser General Public
   8 //  License as published by the Free Software Foundation; either
   9 //  version 2.1 of the License.
  10 //
  11 //  This library is distributed in the hope that it will be useful,
  12 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 //  Lesser General Public License for more details.
  15 //
  16 //  You should have received a copy of the GNU Lesser General Public
  17 //  License along with this library; if not, write to the Free Software
  18 //  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  19 //
  20 //  See http://www.opencascade.org/SALOME/ or email : webmaster.salome@opencascade.org
  21 //
  22 //
  23 //
  24 //  File   : StreamGraph_Impl.cxx
  25 //  Author : Jean Rahuel
  26 //  Module : SUPERV
  27 //  $Header:
  28
  29 using namespace std;
  30
  31 #include "StreamGraph_Impl.hxx"
  32
  33 StreamGraph_Impl::StreamGraph_Impl( CORBA::ORB_ptr orb ,
  34                                     PortableServer::POA_ptr poa ,
  35                                     PortableServer::ObjectId * contId ,
  36                                     const char *instanceName ,
  37                                     const char *interfaceName ,
  38                                     const char *aDataFlowName ) :
  39   Graph_Impl(orb, poa, contId, instanceName, interfaceName, aDataFlowName , SUPERV::DataStreamGraph ) {
  40 //  MESSAGE("StreamGraph_Impl::StreamGraph_Impl activate object instanceName("
  41 //          << instanceName << ") interfaceName(" << interfaceName << ") --> "
  42 //          << hex << (void *) this << dec )
  43   beginService( "StreamGraph_Impl::StreamGraph_Impl" );
  44   _thisObj = this ;
  45   _id = _poa->activate_object(_thisObj);
  46   _Orb = CORBA::ORB::_duplicate(orb);
  47   _Poa = poa ;
  48   _ContId = contId ;
  49
  50   endService( "StreamGraph_Impl::StreamGraph_Impl" );
  51 }
  52
  53 StreamGraph_Impl::StreamGraph_Impl() {
  54 }
  55
  56 StreamGraph_Impl::~StreamGraph_Impl() {
  57   beginService( "StreamGraph_Impl::~StreamGraph_Impl" );
  58   endService( "StreamGraph_Impl::~StreamGraph_Impl" );
  59 }
  60
  61 void StreamGraph_Impl::destroy() {
  62   beginService( "StreamGraph_Impl::destroy" );
  63   _poa->deactivate_object(*_id) ;
  64   CORBA::release(_poa) ;
  65   delete(_id) ;
  66   _thisObj->_remove_ref();
  67   endService( "StreamGraph_Impl::destroy" );
  68 }
  69
  70 SUPERV::StreamGraph_ptr StreamGraph_Impl::StreamCopy() {
  71   beginService( "StreamGraph_Impl::StreamCopy" );
  72   StreamGraph_Impl * myStreamGraph ;
  73   myStreamGraph = new StreamGraph_Impl( _Orb , _Poa, _ContId,
  74                                         instanceName() , interfaceName() ,
  75                                         DataFlowEditor()->Graph()->Name() ) ;
  76   PortableServer::ObjectId * id = myStreamGraph->getId() ;
  77   CORBA::Object_var obj = _poa->id_to_reference(*id);
  78   SUPERV::StreamGraph_var iobject ;
  79   iobject = SUPERV::StreamGraph::_narrow(obj) ;
  80   GraphBase::SGraph * aSGraph = GetGraph() ;
  81   myStreamGraph->LoadGraph( aSGraph ) ;
  82   endService( "StreamGraph_Impl::StreamCopy" );
  83   return SUPERV::StreamGraph::_duplicate(iobject) ;
  84 }
  85
  86 SUPERV::StreamLink_ptr StreamGraph_Impl::StreamLink(  SUPERV::StreamPort_ptr OutStreamPort ,
  87                                                       SUPERV::StreamPort_ptr InStreamPort ) {
  88   beginService( "StreamGraph_Impl::StreamLink" );
  89   SUPERV::StreamLink_var iobject = SUPERV::StreamLink::_nil() ;
  90   if ( DataFlowEditor()->IsEditing() && !DataFlowEditor()->IsReadOnly() &&
  91        OutStreamPort->IsDataStream() && InStreamPort->IsDataStream() ) {
  92     GraphBase::InPort * anInPort = DataFlowEditor()->GetNode( InStreamPort->Node()->Name() )->ComputingNode()->GetChangeInPort( InStreamPort->Name() ) ;
  93     GraphBase::OutPort * anOutPort = DataFlowEditor()->GetNode( OutStreamPort->Node()->Name() )->ComputingNode()->GetChangeOutPort( OutStreamPort->Name() ) ;
  94     if ( CORBA::is_nil( anOutPort->InPortObjRef( anInPort ) ) ) {
  95       const char * DataFlowOutNodeName = OutStreamPort->Node()->Name() ;
  96       GraphEditor::InNode * DataFlowOutNode = DataFlowEditor()->GetNode( DataFlowOutNodeName ) ;
  97       const char * DataFlowInNodeName = InStreamPort->Node()->Name() ;
  98       GraphEditor::InNode * DataFlowInNode = DataFlowEditor()->GetNode( DataFlowInNodeName ) ;
  99       if ( DataFlowOutNode && DataFlowInNode ) {
 100         bool Success ;
 101         StreamLink_Impl * myStreamLink = new StreamLink_Impl( _Orb , _Poa , _ContId ,
 102                                             instanceName() , interfaceName() ,
 103                                             DataFlowEditor() ,
 104                                             DataFlowInNode ,
 105                                             InStreamPort->Name() ,
 106                                             DataFlowOutNode ,
 107                                             OutStreamPort->Name() ,
 108                                             true , Success ) ;
 109         if ( Success ) {
 110           PortableServer::ObjectId * id = myStreamLink->getId() ;
 111           CORBA::Object_var obj = _poa->id_to_reference(*id);
 112           iobject = SUPERV::StreamLink::_narrow(obj) ;
 113           anOutPort->AddInPortObjRef( anInPort , SUPERV::StreamLink::_duplicate(iobject) ) ;
 114         }
 115       }
 116     }
 117     else {
 118       iobject = SUPERV::StreamLink::_narrow( anOutPort->InPortObjRef( anInPort ) ) ;
 119     }
 120   }
 121   endService( "StreamGraph_Impl::StreamLink" );
 122   return SUPERV::StreamLink::_duplicate(iobject) ;
 123 }
 124
 125 SUPERV::ListOfStreamLinks * StreamGraph_Impl::GStreamLinks() {
 126   return StreamLinks( NULL , NULL ) ;
 127 }
 128
 129 SUPERV::ListOfStreamLinks * StreamGraph_Impl::StreamLinks( GraphBase::ComputingNode * theNode ,
 130                                                            const char * anInputParam ) {
 131   bool begin = true ;
 132   SUPERV::ListOfStreamLinks_var RetVal = new SUPERV::ListOfStreamLinks ;
 133   int i , j , countlink ;
 134   countlink = 0 ;
 135   for ( i = 0 ; i < DataFlowEditor()->Graph()->GraphNodesSize() ; i++ ) {
 136     GraphEditor::InNode * aNode = NULL ;
 137     aNode = (GraphEditor::InNode * ) DataFlowEditor()->Graph()->GraphNodes( i )->GetInNode() ;
 138     bool ToProcess = false ;
 139     if ( theNode == NULL ) {
 140       ToProcess = true ;
 141     }
 142     else {
 143       if ( !strcmp( theNode->Name() , aNode->Name() ) ) {
 144         if ( !theNode->IsEndSwitchNode() ) {
 145           ToProcess = true ;
 146         }
 147       }
 148       else if ( theNode->IsEndSwitchNode() ) {
 149         ToProcess = true ;
 150       }
 151     }
 152     if ( ToProcess ) {
 153       for ( j = 0 ; j < aNode->GetNodeInPortsSize() ; j++ ) {
 154         GraphBase::InPort * anInPort = NULL ;
 155         anInPort = aNode->GetChangeNodeInPort( j ) ;
 156         if ( anInputParam == NULL ||
 157              !strcmp( anInPort->PortName() , anInputParam ) ) {
 158           GraphBase::OutPort * anOutPort = NULL ;
 159           anOutPort = anInPort->GetOutPort() ;
 160           if ( anOutPort && anOutPort->IsDataStream() ) {
 161             if ( strcmp( anOutPort->NodeName() , Name() ) ) {
 162               MESSAGE("StreamGraph_Impl::StreamLinks " << anOutPort->NodeName() << "("
 163                       << anOutPort->PortName() << ") --> " << aNode->Name() << "("
 164                       << anInPort->PortName() << ")" ) ;
 165               if ( theNode == NULL ||
 166                    ( theNode != NULL && !theNode->IsEndSwitchNode() &&
 167                      !strcmp( theNode->Name() , aNode->Name() ) ) ) {
 168                 if ( anInPort->IsLoop() || anOutPort->IsLoop() ||
 169                      ( aNode->IsEndLoopNode() && !strcmp( aNode->CoupledNode()->Name() ,
 170                                                           anOutPort->NodeName() ) ) ) {
 171                   MESSAGE( "StreamLink " << anOutPort->NodeName() << "("
 172                           << anOutPort->PortName() << ") --> " << aNode->Name() << "("
 173                           << anInPort->PortName() << ")" << " ignored" ) ;
 174                 }
 175                 else if ( CORBA::is_nil( anOutPort->InPortObjRef( anInPort ) ) ) {
 176                   if ( begin ) {
 177                     beginService( "StreamGraph_Impl::StreamLinks" );
 178                     begin = false ;
 179                   }
 180                   GraphEditor::InNode * anOutNode = NULL ;
 181                   anOutNode = (GraphEditor::InNode * ) DataFlowEditor()->Graph()->GetChangeGraphNode( anOutPort->NodeName() )->GetInNode() ;
 182                   if ( anOutNode ) {
 183                     bool Success ;
 184                     StreamLink_Impl * myStreamLink = new StreamLink_Impl(
 185                                           _Orb , _Poa , _ContId ,
 186                                           instanceName() , interfaceName() ,
 187                                           DataFlowEditor() ,
 188                                           aNode ,
 189                                           anInPort->PortName() ,
 190                                           anOutNode ,
 191                                           anOutPort->PortName() ,
 192                                           false , Success ) ;
 193                     if ( Success ) {
 194                       PortableServer::ObjectId * id = myStreamLink->getId() ;
 195                       CORBA::Object_var obj = _poa->id_to_reference(*id);
 196                       SUPERV::StreamLink_var iobject ;
 197                       iobject = SUPERV::StreamLink::_narrow(obj) ;
 198                       RetVal->length( countlink + 1 ) ;
 199                       RetVal[ countlink++ ] = SUPERV::StreamLink::_duplicate( iobject ) ;
 200                       anOutPort->AddInPortObjRef( anInPort , SUPERV::StreamLink::_duplicate( iobject ) ) ;
 201                       MESSAGE( "Link" << countlink-1 << " "
 202                                << RetVal[countlink-1]->OutStreamPort()->Node()->Name() << "("
 203                                << RetVal[countlink-1]->OutStreamPort()->Name() << ") --> "
 204                                << RetVal[countlink-1]->InStreamPort()->Node()->Name() << "("
 205                                << RetVal[countlink-1]->InStreamPort()->Name() << ")" ) ;
 206                     }
 207                   }
 208                 }
 209                 else {
 210                   RetVal->length( countlink + 1 ) ;
 211                   RetVal[ countlink++ ] = SUPERV::StreamLink::_duplicate( SUPERV::StreamLink::_narrow( anOutPort->InPortObjRef( anInPort ) ) ) ;
 212                   MESSAGE( "Link" << countlink-1 << " "
 213                            << RetVal[countlink-1]->OutStreamPort()->Node()->Name() << "("
 214                            << RetVal[countlink-1]->OutStreamPort()->Name() << ") --> "
 215                            << RetVal[countlink-1]->InStreamPort()->Node()->Name() << "("
 216                            << RetVal[countlink-1]->InStreamPort()->Name() << ")" ) ;
 217                 }
 218               }
 219             }
 220           }
 221         }
 222       }
 223     }
 224     for ( j = 0 ; j < aNode->GetNodeOutPortsSize() ; j++ ) {
 225       GraphBase::OutPort * anOutPort = aNode->GetChangeNodeOutPort( j ) ;
 226       int k ;
 227       for ( k = 0 ; k < anOutPort->InPortsSize() ; k++ ) {
 228         GraphBase::InPort * anInPort = anOutPort->ChangeInPorts( k ) ;
 229         GraphEditor::InNode * toNode = (GraphEditor::InNode * ) DataFlowEditor()->Graph()->GetChangeGraphNode( anInPort->NodeName() )->GetInNode() ;
 230         if ( theNode == NULL ||
 231              !strcmp( theNode->Name() , aNode->Name() ) ) {
 232           if ( anInPort->IsDataStream() ) {
 233             if ( theNode || ( toNode->IsEndSwitchNode() && !aNode->IsSwitchNode() ) ) {
 234               if ( anInputParam == NULL ||
 235                    !strcmp( anInPort->PortName() , anInputParam ) ) {
 236                 MESSAGE( "StreamLink " << anOutPort->NodeName() << "("
 237                          << anOutPort->PortName() << ") --> " << toNode->Name() << "("
 238                          << anInPort->PortName() << ")" ) ;
 239                 MESSAGE( "           IOR " << DataFlowEditor()->ObjectToString( anOutPort->InPortObjRef( anInPort ) ) ) ;
 240                 if ( anInPort->IsLoop() || anOutPort->IsLoop() ||
 241                      ( toNode->IsEndLoopNode() && !strcmp( toNode->CoupledNode()->Name() ,
 242                                                            anOutPort->NodeName() ) ) ) {
 243                   MESSAGE( "StreamLink " << anOutPort->NodeName() << "("
 244                            << anOutPort->PortName() << ") --> " << toNode->Name() << "("
 245                            << anInPort->PortName() << ")" << " ignored" ) ;
 246                 }
 247                 else if ( CORBA::is_nil( anOutPort->InPortObjRef( anInPort ) ) ) {
 248                   if ( begin ) {
 249                     beginService( "Graph_Impl::StreamLinks" );
 250                     begin = false ;
 251                   }
 252                   bool Success ;
 253                   StreamLink_Impl * myStreamLink = new StreamLink_Impl(
 254                                         _Orb , _Poa , _ContId ,
 255                                         instanceName() , interfaceName() ,
 256                                         DataFlowEditor() ,
 257                                         toNode ,
 258                                         anInPort->PortName() ,
 259                                         aNode ,
 260                                         anOutPort->PortName() ,
 261                                         false , Success ) ;
 262                   if ( Success ) {
 263                     PortableServer::ObjectId * id = myStreamLink->getId() ;
 264                     CORBA::Object_var obj = _poa->id_to_reference(*id);
 265                     SUPERV::StreamLink_var iobject ;
 266                     iobject = SUPERV::StreamLink::_narrow(obj) ;
 267                     RetVal->length( countlink + 1 ) ;
 268                     RetVal[ countlink++ ] = SUPERV::StreamLink::_duplicate( iobject ) ;
 269                     anOutPort->AddInPortObjRef( anInPort , SUPERV::StreamLink::_duplicate( iobject ) ) ;
 270                     MESSAGE( "Link" << countlink-1 << " "
 271                              << RetVal[countlink-1]->OutStreamPort()->Node()->Name() << "("
 272                              << RetVal[countlink-1]->OutStreamPort()->Name() << ") --> "
 273                              << RetVal[countlink-1]->InStreamPort()->Node()->Name() << "("
 274                              << RetVal[countlink-1]->InStreamPort()->Name() << ")" ) ;
 275                   }
 276                 }
 277                 else {
 278                   RetVal->length( countlink + 1 ) ;
 279                   RetVal[ countlink++ ] = SUPERV::StreamLink::_duplicate( SUPERV::StreamLink::_narrow( anOutPort->InPortObjRef( anInPort ) ) ) ;
 280                   MESSAGE( "Link" << countlink-1 << " "
 281                            << RetVal[countlink-1]->OutStreamPort()->Node()->Name() << "("
 282                            << RetVal[countlink-1]->OutStreamPort()->Name() << ") --> "
 283                            << RetVal[countlink-1]->InStreamPort()->Node()->Name() << "("
 284                            << RetVal[countlink-1]->InStreamPort()->Name() << ")" ) ;
 285                 }
 286               }
 287               else {
 288                 MESSAGE( "StreamLink " << anOutPort->NodeName() << "("
 289                          << anOutPort->PortName() << ") --> " << toNode->Name() << "("
 290                          << anInPort->PortName() << ")" << " skipped" ) ;
 291               }
 292             }
 293           }
 294         }
 295       }
 296     }
 297   }
 298 //#if 0
 299   const char * NodeName = "" ;
 300   const char * InputParamName = "" ;
 301   if ( theNode ) {
 302     NodeName = theNode->Name() ;
 303   }
 304   if ( anInputParam ) {
 305     InputParamName = anInputParam ;
 306   }
 307   MESSAGE( RetVal->length() << " StreamLinks of Node " << NodeName << " and of InPort " << InputParamName ) ;
 308   for ( i = 0 ; i < (int ) RetVal->length() ; i++ ) {
 309     MESSAGE( "Link" << i << " " << RetVal[i]->OutStreamPort()->Node()->Name() << "("
 310              << RetVal[i]->OutStreamPort()->Name() << ") --> "
 311              << RetVal[i]->InStreamPort()->Node()->Name() << "("
 312              << RetVal[i]->InStreamPort()->Name() << ")" ) ;
 313   }
 314 //#endif
 315   if ( !begin ) {
 316     endService( "StreamGraph_Impl::StreamLinks" );
 317   }
 318   return ( RetVal._retn() ) ;
 319 }
 320
 321 bool StreamGraph_Impl::SetStreamParams( const long Timeout ,
 322                                         const SUPERV::KindOfDataStreamTrace DataStreamTrace ,
 323                                         const double  DeltaTime ) {
 324   bool sts = DataFlowEditor()->StreamGraph()->SetStreamParams( Timeout , DataStreamTrace , DeltaTime ) ;
 325   DataFlowEditor()->UnValid() ;
 326   return sts ;
 327 }
 328
 329 void StreamGraph_Impl::StreamParams( long & Timeout ,
 330                                      SUPERV::KindOfDataStreamTrace & DataStreamTrace ,
 331                                      double & DeltaTime ) {
 332   DataFlowEditor()->StreamGraph()->StreamParams( Timeout , DataStreamTrace , DeltaTime ) ;
 333 }
 334
 335 long StreamGraph_Impl::SubStreamGraphsNumber() {
 336 //  beginService( "StreamGraph_Impl::StreamGraphsNumber" );
 337   long RetVal = 0 ;
 338   if ( DataFlowEditor()->IsExecutable() ) {
 339     RetVal =  DataFlowEditor()->SubStreamGraphsNumber() ;
 340   }
 341 //  endService( "StreamGraph_Impl::SubStreamGraphsNumber" );
 342   return RetVal ;
 343 }
 344
 345 SUPERV::ListOfNodes * StreamGraph_Impl::SubStreamGraphsNodes( const long aSubStreamGraphNumber ) {
 346   beginService( "StreamGraph_Impl::SubStreamGraphsNodes" );
 347   SUPERV::ListOfNodes_var RetVal = new SUPERV::ListOfNodes ;
 348   if ( DataFlowEditor()->IsEditing() ) {
 349     SUPERV::ListOfNodes * aGraphNodes = Nodes() ;
 350     int i ;
 351 // ComputingNodes
 352     for ( i = 0 ; i < (int ) aGraphNodes->CNodes.length() ; i++ ) {
 353       SUPERV::CNode_var aNode = (aGraphNodes->CNodes)[ i ] ;
 354       if ( aNode->SubStreamGraph() == aSubStreamGraphNumber ) {
 355         RetVal = SetNode( RetVal , DataFlowEditor()->Graph()->GetChangeGraphNode( aNode->Name() ) ) ;
 356       }
 357     }
 358 // FactoryNodes
 359     for ( i = 0 ; i < (int ) aGraphNodes->FNodes.length() ; i++ ) {
 360       SUPERV::FNode_var aNode = (aGraphNodes->FNodes)[ i ] ;
 361       if ( aNode->SubStreamGraph() == aSubStreamGraphNumber ) {
 362         RetVal = SetNode( RetVal , DataFlowEditor()->Graph()->GetChangeGraphNode( aNode->Name() ) ) ;
 363       }
 364     }
 365 // InLineNodes
 366     for ( i = 0 ; i < (int ) aGraphNodes->INodes.length() ; i++ ) {
 367       SUPERV::INode_var aNode = (aGraphNodes->INodes)[ i ] ;
 368       if ( aNode->SubStreamGraph() == aSubStreamGraphNumber ) {
 369         RetVal = SetNode( RetVal , DataFlowEditor()->Graph()->GetChangeGraphNode( aNode->Name() ) ) ;
 370       }
 371     }
 372 // GOTONodes
 373     for ( i = 0 ; i < (int ) aGraphNodes->GNodes.length() ; i++ ) {
 374       SUPERV::GNode_var aNode = (aGraphNodes->GNodes)[ i ] ;
 375       if ( aNode->SubStreamGraph() == aSubStreamGraphNumber ) {
 376         RetVal = SetNode( RetVal , DataFlowEditor()->Graph()->GetChangeGraphNode( aNode->Name() ) ) ;
 377       }
 378     }
 379 // LoopNodes
 380     for ( i = 0 ; i < (int ) aGraphNodes->LNodes.length() ; i++ ) {
 381       SUPERV::LNode_var aNode = (aGraphNodes->LNodes)[ i ] ;
 382       if ( aNode->SubStreamGraph() == aSubStreamGraphNumber ) {
 383         RetVal = SetNode( RetVal , DataFlowEditor()->Graph()->GetChangeGraphNode( aNode->Name() ) ) ;
 384       }
 385     }
 386 // EndLoopNodes
 387     for ( i = 0 ; i < (int ) aGraphNodes->ELNodes.length() ; i++ ) {
 388       SUPERV::ELNode_var aNode = (aGraphNodes->ELNodes)[ i ] ;
 389       if ( aNode->SubStreamGraph() == aSubStreamGraphNumber ) {
 390         RetVal = SetNode( RetVal , DataFlowEditor()->Graph()->GetChangeGraphNode( aNode->Name() ) ) ;
 391       }
 392     }
 393 // SwitchNodes
 394     for ( i = 0 ; i < (int ) aGraphNodes->SNodes.length() ; i++ ) {
 395       SUPERV::SNode_var aNode = (aGraphNodes->SNodes)[ i ] ;
 396       if ( aNode->SubStreamGraph() == aSubStreamGraphNumber ) {
 397         RetVal = SetNode( RetVal , DataFlowEditor()->Graph()->GetChangeGraphNode( aNode->Name() ) ) ;
 398       }
 399     }
 400 // EndSwitchNodes
 401     for ( i = 0 ; i < (int ) aGraphNodes->ESNodes.length() ; i++ ) {
 402       SUPERV::ESNode_var aNode = (aGraphNodes->ESNodes)[ i ] ;
 403       if ( aNode->SubStreamGraph() == aSubStreamGraphNumber ) {
 404         RetVal = SetNode( RetVal , DataFlowEditor()->Graph()->GetChangeGraphNode( aNode->Name() ) ) ;
 405       }
 406     }
 407   }
 408   endService( "StreamGraph_Impl::SubStreamGraphsNodes" );
 409   return ( RetVal._retn() ) ;
 410 }
 411
 412 SUPERV::Graph_ptr StreamGraph_Impl::ToFlowGraph() {
 413   SUPERV::Graph_var iobject = SUPERV::Graph::_nil() ;
 414   beginService( "StreamGraph_Impl::ToFlowGraph" );
 415 //  Graph_Impl * myFlowGraph = new Graph_Impl( _Orb , _Poa , _ContId ,
 416 //                                             instanceName() , interfaceName() ) ;
 417 //  PortableServer::ObjectId * id = myFlowGraph->getId() ;
 418 //  CORBA::Object_var obj = _poa->id_to_reference(*id);
 419   if ( !CORBA::is_nil( DataFlowEditor()->StreamGraph()->ObjRef() ) ) {
 420     iobject = SUPERV::Graph::_narrow( DataFlowEditor()->StreamGraph()->ObjRef() ) ;
 421   }
 422   endService( "StreamGraph_Impl::ToFlowGraph" );
 423   return SUPERV::Graph::_duplicate( iobject ) ;
 424 }
 425
 426 bool StreamGraph_Impl::StreamMerge(const SUPERV::StreamGraph_ptr aStreamGraph ) {
 427   beginService( "StreamGraph_Impl::StreamMerge" );
 428   map< string , int > aMapOfNodes ;
 429   bool RetVal = Merge( aStreamGraph , aMapOfNodes ) ;
 430   if ( RetVal ) {
 431     SUPERV::ListOfStreamLinks * aGraphLinks = aStreamGraph->GStreamLinks() ;
 432     SUPERV::ListOfStreamPorts * aGraphPorts = aStreamGraph->StreamPorts() ;
 433     cout << "Graph_Impl::Merge " << aGraphLinks->length() << " links " << aGraphPorts->length() << " GraphPorts"
 434          << endl ;
 435     int i ;
 436     for ( i = 0 ; i < (int ) aGraphLinks->length() ; i++ ) {
 437       SUPERV::StreamLink_var aLink = (*aGraphLinks)[ i ] ;
 438       SUPERV::StreamPort_var OutPort = aLink->OutStreamPort() ;
 439       SUPERV::StreamPort_var InPort = aLink->InStreamPort() ;
 440       string * aLinkFromNodeName = new string( OutPort->Node()->Name() ) ;
 441       string * aLinkToNodeName = new string( InPort->Node()->Name() ) ;
 442       cout << "Graph_Impl::Merge " << aLinkFromNodeName << "(" << OutPort->Name() << ") ---> "
 443            << aLinkToNodeName << "(" << InPort->Name() << ")" << endl ;
 444       RetVal = DataFlowEditor()->AddLink( DataFlowEditor()->Graph()->GetGraphNode( aMapOfNodes[ aLinkFromNodeName->c_str() ] )->Name() ,
 445                                           OutPort->Name() ,
 446                                           DataFlowEditor()->Graph()->GetGraphNode( aMapOfNodes[ aLinkToNodeName->c_str() ] )->Name() ,
 447                                           InPort->Name() ) ;
 448       cout << "Graph_Impl::Merge " << aLinkFromNodeName << "(" << OutPort->Name() << ") ---> "
 449            << aLinkToNodeName << "(" << InPort->Name() << ") RetVal" << RetVal << endl ;
 450       if ( RetVal ) {
 451         int j ;
 452         for ( j = 1 ; j <= aLink->CoordsSize() ; j++ ) {
 453           long X , Y ;
 454           RetVal = aLink->Coords( j , X , Y ) ;
 455           if ( !RetVal )
 456             break ;
 457           RetVal = DataFlowEditor()->AddLinkCoord( DataFlowEditor()->Graph()->GetGraphNode( aMapOfNodes[ aLinkFromNodeName->c_str() ] )->Name() ,
 458                                                    OutPort->Name() ,
 459                                                    DataFlowEditor()->Graph()->GetGraphNode( aMapOfNodes[ aLinkToNodeName->c_str() ] )->Name() ,
 460                                                    InPort->Name() ,
 461                                                    j , X , Y ) ;
 462           if ( !RetVal ) {
 463             break ;
 464           }
 465         }
 466       }
 467       delete aLinkFromNodeName ;
 468       delete aLinkToNodeName ;
 469       if ( !RetVal ) {
 470         break ;
 471       }
 472     }
 473     if ( RetVal ) {
 474       for ( i = 0 ; i < (int ) aGraphPorts->length() ; i++ ) {
 475         SUPERV::StreamPort_var aPort = (*aGraphPorts)[ i ] ;
 476         if ( !aPort->IsGate() ) {
 477           MESSAGE( "Graph_Impl::Merge " << i << ". " << aPort->Node()->Name() << " " << aPort->Name() ) ;
 478           char * aPortName = aPort->Name() ;
 479           char * aNodeName = new char[ strlen( aPortName ) + 1 ] ;
 480           strcpy( aNodeName , aPortName ) ;
 481           char * thePortName = strchr( aNodeName , '\\' ) ;
 482           thePortName[ 0 ] = '\0' ;
 483           bool hasinput = aStreamGraph->Node( aNodeName )->Port( thePortName + 1 )->HasInput() ;
 484 //          cout << "Graph_Impl::Merge " << " aNodeName " << aNodeName << " aPort " << thePortName + 1
 485 //               << " HasInput " << hasinput << endl ;
 486           if ( hasinput ) {
 487             RetVal = DataFlowEditor()->AddInputData( DataFlowEditor()->StreamGraph()->GetGraphNode( aMapOfNodes[ aNodeName ] )->Name() ,
 488                                                      thePortName + 1 ,
 489                                                      *(aPort->ToAny()) ) ;
 490           }
 491           delete [] aNodeName ;
 492           if ( !RetVal ) {
 493             break ;
 494           }
 495         }
 496       }
 497     }
 498   }
 499   endService( "StreamGraph_Impl::StreamMerge" );
 500   return RetVal ;
 501 }
 502