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//# ArrayColumnFunbc.h: Functors to operate on an ArrayColumn
//# Copyright (C) 2009
//# 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
//#
//# $Id$
#ifndef TABLES_ARRAYCOLUMNFUNC_H
#define TABLES_ARRAYCOLUMNFUNC_H
//# Includes
#include <casacore/casa/aips.h>
#include <casacore/tables/Tables/ArrayColumn.h>
#include <casacore/casa/Arrays/Slicer.h>
#include <casacore/casa/Arrays/Array.h>
namespace casacore { //# NAMESPACE CASACORE - BEGIN
// <summary> Abstract baseclass for slices functors </summary>
// <synopsis>
// There are several ArrayColumn functions to get or put irregular array
// slices. ArrayColumn::handleSlices is used to perform all common
// operations using a functor derived from this base class.
// </synopsis>
template<typename T>
class BaseSlicesFunctor
{
public:
virtual ~BaseSlicesFunctor()
{}
virtual void apply (const Slicer& slicer, Array<T>& arr) = 0;
};
// <summary> Functor to get irregular array slices from a cell</summary>
template<typename T>
class GetCellSlices : public BaseSlicesFunctor<T>
{
public:
GetCellSlices (const ArrayColumn<T>& col, uInt rownr)
: itsCol(col), itsRow(rownr)
{}
virtual void apply (const Slicer& slicer, Array<T>& arr)
{ itsCol.getSlice (itsRow, slicer, arr); }
private:
const ArrayColumn<T>& itsCol;
uInt itsRow;
};
// <summary> Functor to get irregular array slices from a column</summary>
template<typename T>
class GetColumnSlices : public BaseSlicesFunctor<T>
{
public:
GetColumnSlices (const ArrayColumn<T>& col)
: itsCol(col)
{}
virtual void apply (const Slicer& slicer, Array<T>& arr)
{ itsCol.getColumn (slicer, arr); }
private:
const ArrayColumn<T>& itsCol;
};
// <summary> Functor to put irregular array slices into a cell </summary>
template<typename T>
class PutCellSlices : public BaseSlicesFunctor<T>
{
public:
PutCellSlices (ArrayColumn<T>& col, uInt rownr)
: itsCol(col), itsRow(rownr)
{}
virtual void apply (const Slicer& slicer, Array<T>& arr)
{ itsCol.putSlice (itsRow, slicer, arr); }
private:
ArrayColumn<T>& itsCol;
uInt itsRow;
};
// <summary> Functor to get irregular array slices from a column</summary>
template<typename T>
class PutColumnSlices : public BaseSlicesFunctor<T>
{
public:
PutColumnSlices (ArrayColumn<T>& col)
: itsCol(col)
{}
virtual void apply (const Slicer& slicer, Array<T>& arr)
{ itsCol.putColumn (slicer, arr); }
private:
ArrayColumn<T>& itsCol;
};
} //# NAMESPACE CASACORE - END
#endif
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