bbtkBlackBoxOutputConnector.cxx

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/*=========================================================================                                                                               
  Program:   bbtk
  Module:    $RCSfile: bbtkBlackBoxOutputConnector.cxx,v $
  Language:  C++
  Date:      $Date: 2009/06/08 14:50:03 $
  Version:   $Revision: 1.13 $
=========================================================================*/

/* ---------------------------------------------------------------------

* Copyright (c) CREATIS-LRMN (Centre de Recherche en Imagerie Medicale)
* Authors : Eduardo Davila, Laurent Guigues, Jean-Pierre Roux
*
*  This software is governed by the CeCILL-B license under French law and 
*  abiding by the rules of distribution of free software. You can  use, 
*  modify and/ or redistribute the software under the terms of the CeCILL-B 
*  license as circulated by CEA, CNRS and INRIA at the following URL 
*  http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html 
*  or in the file LICENSE.txt.
*
*  As a counterpart to the access to the source code and  rights to copy,
*  modify and redistribute granted by the license, users are provided only
*  with a limited warranty  and the software's author,  the holder of the
*  economic rights,  and the successive licensors  have only  limited
*  liability. 
*
*  The fact that you are presently reading this means that you have had
*  knowledge of the CeCILL-B license and that you accept its terms.
* ------------------------------------------------------------------------ */                                                                         


#include "bbtkBlackBoxOutputConnector.h"
#include "bbtkMessageManager.h"
#include "bbtkBlackBox.h"
//#include <algorithm>

namespace bbtk
{

  //========================================================================
  class BlackBoxOutputConnector::Pimpl
  {
  public:
    Pimpl() : mStatus(OUTOFDATE) {}
    Pimpl(const Pimpl&) {}
    BlackBoxWeakPointer mBox;
    ConnectionVector mConnection;
    IOStatus mStatus;
    BlackBox::OutputChangeSignalType mChangeSignal;


  };
  //========================================================================

  //========================================================================
  BBTK_IMPL_PIMPL(BlackBoxOutputConnector)
  //========================================================================


  //======================================================================
  BlackBoxOutputConnector::BlackBoxOutputConnector(BlackBox::Pointer b) 
  {
    bbtkDebugMessage("kernel",9,
                     "["<<b->bbGetName()
                     <<"] BlackBoxOutputConnector()"<<std::endl);
    PimplConstruct();
    p->mBox = b;
  }
  //======================================================================


  //======================================================================
  BlackBoxOutputConnector::~BlackBoxOutputConnector() 
  {
    bbtkDebugMessage("kernel",9,
                     "[DEAD BOX] ==> ~BlackBoxOutputConnector()"
                     <<std::endl);
    /*
    ConnectionVector::iterator i;
    for (i=mConnection.begin();
         i!=mConnection.end();
         ++i)
      (*i) = Connection::WeakPointer();
    */
    p->mConnection.clear();
    PimplDestruct();
  
    bbtkDebugMessage("kernel",9,
                     "[DEAD BOX] <== ~BlackBoxOutputConnector()"
                     <<std::endl);
  }
  //======================================================================

  //======================================================================
  void BlackBoxOutputConnector::SetConnection(Connection* c)
  {
    bbtkDebugMessage("kernel",9,
                     "["<<p->mBox.lock()->bbGetName()
                     <<"] BlackBoxOutputConnector::SetConnection("
                     <<c<<")"<<std::endl);
    p->mConnection.push_back(c);
    //    AddChangeObserver(boost::bind(&Connection::SignalChange,c));
  }
  //======================================================================


  //======================================================================
  void BlackBoxOutputConnector::UnsetConnection(Connection* c)
  {
    bbtkDebugMessage("kernel",9,"["<<p->mBox.lock()->bbGetName()
                     <<"] BlackBoxOutputConnector::UnsetConnection("
                     <<c<<")"<<std::endl);

    if (!c) 
      {
        bbtkInternalError(p->mBox.lock()->bbGetFullName()
                          <<": BlackBoxOutputConnector::UnsetConnection("
                          <<c<<") : invalid connection");

      }
    //    c->Check();
    //Connection::WeakPointer w(c);
    ConnectionVector::iterator i;
    //  = find(mConnection.begin(),mConnection.end(),c);
    for (i=p->mConnection.begin();
         i!=p->mConnection.end();
         ++i)
      {
        if (*i==c) break;
      }
    if (i==p->mConnection.end())
      {
        bbtkInternalError(p->mBox.lock()->bbGetFullName()
                          <<": BlackBoxOutputConnector::UnsetConnection("
                          <<c
                          <<") : connection is absent from connections list");
      }
    p->mConnection.erase(i);
    //    RemoveChangeObserver(boost::bind(&Connection::SignalChange,c));


  }
  //======================================================================
  
  //======================================================================
  const BlackBoxOutputConnector::ConnectionVector& 
  BlackBoxOutputConnector::GetConnectionVector() const
  { 
    return p->mConnection; 
  }
  //======================================================================
  
  //======================================================================
  IOStatus BlackBoxOutputConnector::GetStatus() const 
  { 
    return p->mStatus; 
  }
  //======================================================================

  //======================================================================
  void BlackBoxOutputConnector::SetStatus( IOStatus s ) 
  {
    p->mStatus = s; 
  }
  //======================================================================
  
  //======================================================================
  void BlackBoxOutputConnector::SignalChange( BlackBox::Pointer box,
                                              const std::string& output )
  {
    IOStatus s = OUTOFDATE; //mStatus;
    //if (s==UPTODATE) s=MODIFIED;
    
    bbtkDebugMessage("change",2,
                     "["<<box->bbGetName()
                     <<"] ==> BlackBoxOutputConnector::SignalChange('"
                     <<output<<"','"<<GetIOStatusString(s)<<"') ["
                     <<this<<"]"
                     <<std::endl);
    
    //    std::cout<<"BlackBoxOutputConnector::SignalChange("
    //       <<box->bbGetName()<<",'"
    //       <<output<<"')"<<std::endl;
    p->mChangeSignal(box,output,s);
    
    bbtkDebugMessage("change",2,
                     "["<<box->bbGetName()
                     <<"] <== BlackBoxOutputConnector::SignalChange('"
                     <<output<<"','"<<GetIOStatusString(s)<<"') ["
                     <<this<<"]"
                     <<std::endl);
  }
  //======================================================================

  //======================================================================
  void BlackBoxOutputConnector::AddChangeObserver(OutputChangeCallbackType f)
  { 
    //    std::cout << "BlackBoxOutputConnector::AddChangeObserver" << std::endl;
    p->mChangeSignal.connect(f); 
  }
  //======================================================================
  
  //======================================================================
  void BlackBoxOutputConnector::RemoveChangeObserver(OutputChangeCallbackType f)
  { 
    bbtkError("BlackBoxOutputConnector::RemoveChangeObserver not implemented");
    
    //mChangeSignal.disconnect(f);
  }
  //======================================================================
}
// namespace bbtk