casa6

//# GroupWorker.cc: Partial implementation for base classes of objects that

//# process VisBuffGroups as fed to them by GroupProcessor.

//# Copyright (C) 2011

//# 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/GroupWorker.h>

#include <msvis/MSVis/VisBufferComponents.h>

#include <msvis/MSVis/VisBuffer.h>

#include <msvis/MSVis/VBRemapper.h>

#include <casacore/ms/MeasurementSets/MSColumns.h>

//#include <casa/Exceptions/Error.h>

//#include <casa/Logging/LogIO.h>

​

using namespace casacore;

namespace casa {

​

const asyncio::PrefetchColumns *GroupWorkerBase::prefetchColumns() const

{

  return &prefetchColumns_p;

}

​

GroupWorker::GroupWorker(const ROVisibilityIterator& invi) :

  invi_p(invi)

{

  // Necessary (or at least a good idea) before the invi calls while

  // initializing outvi_p.

  invi_p.originChunks();

  invi_p.origin();

​

  outvi_p = VisibilityIterator(const_cast<MeasurementSet&>(invi.ms()),

                               invi.getSortColumns(), false,

                               invi.getInterval());

​

  // Consistency.

  outvi_p.originChunks();

  outvi_p.origin();

}

​

// GroupWorker& GroupWorker::operator=(const GroupWorker &other)

// {

//   // trivial so far.