MSSelectableMainColumn.h

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// -*- C++ -*-
// # MSSelectableMainColumn.h: The generic interface for tables that can be used with MSSelection
// # Copyright (C) 1996,1997,1998,1999,2001
// # 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: casa-feedback@nrao.edu.
// #        Postal address: AIPS++ Project Office
// #                        National Radio Astronomy Observatory
// #                        520 Edgemont Road
// #                        Charlottesville, VA 22903-2475 USA
 
#ifndef MS_MSSELECTABLEMAINCOLUMN_H
#define MS_MSSELECTABLEMAINCOLUMN_H
 
#include <casacore/casa/aips.h>
#include <casacore/casa/BasicSL/String.h>
#include <casacore/casa/Arrays/Vector.h>
#include <casacore/casa/Arrays/Matrix.h>
#include <casacore/casa/Arrays/Cube.h>
#include <casacore/tables/TaQL/ExprNode.h>
#include <casacore/ms/MeasurementSets/MeasurementSet.h>
#include <casacore/ms/MeasurementSets/MSMainEnums.h>
#include <casacore/ms/MSSel/MSSelectionError.h>
#include <casacore/ms/MSSel/MSSelectableTable.h>
#include <casacore/ms/MeasurementSets/MSMainColumns.h>
namespace casacore {  // # NAMESPACE CASACORE - BEGIN
 
class MSSelectableMainColumn {
 public:
  MSSelectableMainColumn(const Table& msLikeTable) { init(msLikeTable); }
  MSSelectableMainColumn() { table_p = NULL; }
  virtual ~MSSelectableMainColumn() {}
 
  virtual void init(const Table& msLikeTable) { table_p = &msLikeTable; }
  const Table* table() { return table_p; }
  virtual const ArrayColumn<Bool>& flag() = 0;
  virtual Bool flagRow(rownr_t i) = 0;
  virtual const ScalarQuantColumn<Double>& exposureQuant() = 0;
  virtual const ScalarQuantColumn<Double>& timeQuant() = 0;
  virtual const MeasurementSet* asMS() = 0;
 
 protected:
  const Table* table_p;
};
 
class MSMainColInterface : public MSSelectableMainColumn {
 public:
  MSMainColInterface() : MSSelectableMainColumn(), msCols_p(NULL) {}
  MSMainColInterface(const Table& msAsTable) : MSSelectableMainColumn(msAsTable) {
    init(msAsTable);
  }
 
  virtual ~MSMainColInterface() {
    if (msCols_p) delete msCols_p;
  }
 
  virtual void init(const Table& msAsTable) {
    MSSelectableMainColumn::init(msAsTable);
    ms_p = MeasurementSet(msAsTable);
    msCols_p = new MSMainColumns(ms_p);
  }
  virtual const ArrayColumn<Bool>& flag() { return msCols_p->flag(); }
 
  //    virtual Bool flagRow(const Int& i) {return allTrue(msCols_p->flag()(i));}
  virtual Bool flagRow(rownr_t i) { return msCols_p->flagRow()(i); }
  virtual const ScalarQuantColumn<Double>& exposureQuant() { return msCols_p->exposureQuant(); }
  virtual const ScalarQuantColumn<Double>& timeQuant() { return msCols_p->timeQuant(); }
 
  virtual const MeasurementSet* asMS() { return static_cast<const MeasurementSet*>(table()); }
 
 private:
  MeasurementSet ms_p;
  MSMainColumns* msCols_p;
};
 
}  // namespace casacore
 
#endif