src/Plugins/ParaGEOMCorba/vtkParaGEOMCorbaSource.cxx

   1 // Copyright (C) 2010-2015  CEA/DEN, EDF R&D
   2 //
   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, or (at your option) any later version.
   7 //
   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.
  12 //
  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
  16 //
  17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  18 //
  19
  20 #include "vtkParaGEOMCorbaSource.h"
  21
  22 #include "vtkMultiBlockDataSet.h"
  23 #include "vtkUnstructuredGrid.h"
  24 //
  25 #include "vtkStreamingDemandDrivenPipeline.h"
  26 #include "vtkInformationVector.h"
  27 #include "vtkObjectFactory.h"
  28 #include "vtkInformation.h"
  29
  30 #include <SALOME_LifeCycleCORBA.hxx>
  31 #include <TopoDS_Shape.hxx>
  32 #include "vtkPolyData.h"
  33 #include <SalomeApp_Application.h>
  34 #include "GEOM_Gen.hh"
  35 #include "GEOM_Client.hxx"
  36 #include "OCC2VTK_Tools.h"
  37
  38
  39 //----------------------------------------------
  40 vtkStandardNewMacro(vtkParaGEOMCorbaSource);
  41
  42 void *vtkParaGEOMCorbaSource::Orb=0;
  43
  44 //----------------------------------------------
  45 vtkParaGEOMCorbaSource::vtkParaGEOMCorbaSource():Deflection(0.0)
  46 {
  47   if(!Orb) {
  48     CORBA::ORB_var *OrbC=new CORBA::ORB_var;
  49     int argc=0;
  50     *OrbC=CORBA::ORB_init(argc,0);
  51     this->Orb=OrbC;
  52   }
  53   this->SetNumberOfInputPorts(0);
  54   this->SetNumberOfOutputPorts(1);
  55 }
  56
  57 //----------------------------------------------
  58 vtkParaGEOMCorbaSource::~vtkParaGEOMCorbaSource() {
  59 }
  60
  61 //----------------------------------------------
  62 const char* vtkParaGEOMCorbaSource::GetIORCorba()
  63 {
  64   return &IOR[0];
  65 }
  66
  67 //----------------------------------------------
  68 void vtkParaGEOMCorbaSource::SetIORCorba(char *ior) {
  69   if(!ior)
  70     return;
  71   if(ior[0]=='\0')
  72     return;
  73   int length=strlen(ior);
  74   IOR.resize(length+1);
  75   vtksys_stl::copy(ior,ior+length+1,&IOR[0]);
  76   this->Modified();
  77 }
  78
  79 //----------------------------------------------
  80 int vtkParaGEOMCorbaSource::ProcessRequest(vtkInformation* request,
  81     vtkInformationVector** inputVector,
  82     vtkInformationVector* outputVector) {
  83   // generate the data
  84   if(request->Has(vtkDemandDrivenPipeline::REQUEST_DATA())) {
  85     return this->RequestData(request, inputVector, outputVector);
  86   }
  87   return this->Superclass::ProcessRequest(request, inputVector, outputVector);
  88 }
  89
  90 //----------------------------------------------
  91 int vtkParaGEOMCorbaSource::FillOutputPortInformation(int vtkNotUsed(port), vtkInformation* info) {
  92   info->Set(vtkDataObject::DATA_TYPE_NAME(), "vtkMultiBlockDataSet");
  93   return 1;
  94 }
  95
  96 //----------------------------------------------
  97 int vtkParaGEOMCorbaSource::RequestData(vtkInformation* request, vtkInformationVector** inInfo, vtkInformationVector* outputVector) {
  98   vtkInformation *outInfo=outputVector->GetInformationObject(0);
  99   vtkMultiBlockDataSet *ret0=vtkMultiBlockDataSet::SafeDownCast(outInfo->Get(vtkDataObject::DATA_OBJECT()));
 100   double reqTS = 0;
 101   if(outInfo->Has(vtkStreamingDemandDrivenPipeline::UPDATE_TIME_STEP()))
 102     reqTS = outInfo->Get(vtkStreamingDemandDrivenPipeline::UPDATE_TIME_STEP());
 103   try {
 104     //Client request on ORB.
 105     CORBA::ORB_var *OrbC=(CORBA::ORB_var *)this->Orb;
 106     CORBA::Object_var obj=(*OrbC)->string_to_object(&IOR[0]);
 107     GEOM::GEOM_Object_var geomObj = GEOM::GEOM_Object::_narrow(obj);
 108
 109     if(!CORBA::is_nil(geomObj)) {
 110       SALOME_LifeCycleCORBA aLCC(SalomeApp_Application::namingService());
 111       Engines::EngineComponent_var aComponent = aLCC.FindOrLoad_Component("FactoryServer","GEOM");
 112       GEOM::GEOM_Gen_var geomGen = GEOM::GEOM_Gen::_narrow(aComponent);
 113       if ( !CORBA::is_nil( geomGen ) ) {
 114         TopoDS_Shape aTopoDSShape = GEOM_Client::get_client().GetShape( geomGen, geomObj );
 115
 116         if ( !aTopoDSShape.IsNull() ) {
 117           vtkPolyData *ret=GEOM::GetVTKData(aTopoDSShape, this->Deflection);
 118           if(!ret) {
 119             vtkErrorMacro("On geom object CORBA fetching an error occurs !");
 120             return 0;
 121           }
 122           ret0->SetBlock(0,ret);
 123           ret->Delete();
 124           return 1;
 125         }
 126       }
 127     }
 128     vtkErrorMacro("Unrecognized CORBA reference!");
 129   }
 130   catch(CORBA::Exception& ex) {
 131     vtkErrorMacro("On fetching object error occurs");
 132   }
 133   return 0;
 134 }
 135
 136 //----------------------------------------------
 137 void vtkParaGEOMCorbaSource::PrintSelf(ostream& os, vtkIndent indent) {
 138   this->Superclass::PrintSelf( os, indent );
 139   os << "Deflection: " << this->Deflection << "\n";
 140 }
 141