casa6

//# ViiLayerFactory.h: Recursive factory definition for layered ViImplementation2s

//# Copyright (C) 1996,1997,1998,1999,2000,2001,2002,2003,2016

//# Associated Universities, Inc. Washington DC, USA.

//#

//# This library is free software; you can redistribute it and/or modify it

//# under the terms of the GNU Library General Public License as published by

//# the Free Software Foundation; either version 2 of the License, or (at your

//# option) any later version.

//#

//# This library is distributed in the hope that it will be useful, but WITHOUT

//# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

//# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public

//# License for more details.

//#

//# You should have received a copy of the GNU Library General Public License

//# along with this library; if not, write to the Free Software Foundation,

//# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.

//#

//# Correspondence concerning AIPS++ should be addressed as follows:

//#        Internet email: aips2-request@nrao.edu.

//#        Postal address: AIPS++ Project Office

//#                        National Radio Astronomy Observatory

//#                        520 Edgemont Road

//#                        Charlottesville, VA 22903-2475 USA

//#

​

#include <msvis/MSVis/ViiLayerFactory.h>

#include <msvis/MSVis/ViImplementation2.h>

#include <casacore/casa/Arrays/Vector.h>

​

#include <casacore/casa/aips.h>

​

#include <casacore/casa/Arrays/Vector.h>

​

using namespace casacore;

namespace casa { //# NAMESPACE CASA - BEGIN

​

namespace vi {

​

​

ViImplementation2 * ViiLayerFactory::createViImpl2 (Vector<ViiLayerFactory*> viifactories) const {

​

  Int nfactory=viifactories.nelements();

​

  ViImplementation2* vii(nullptr);

  if (nfactory>0)

  {

    if(viifactories(nfactory-1) == nullptr)

        throw(AipsError("ViiLayerFactory in viifactories is null"));

    // Get ViImpl from below if any more to get

    vii= viifactories[nfactory-1]->createViImpl2(viifactories(Slice(0,nfactory-1,1)));

  }

  return createInstance(vii);

​

}

​

} // end namespace vi

​

} //# NAMESPACE CASA - END

​