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//# StManColumnBase.h: Base storage manager column class
//# Copyright (C) 2019
//# 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 TABLES_STMANCOLUMNBASE_H
#define TABLES_STMANCOLUMNBASE_H
//# Includes
#include <casacore/casa/aips.h>
#include <casacore/tables/DataMan/DataManagerColumn.h>
#include <casacore/casa/Arrays/ArrayFwd.h>
#include <casacore/casa/Utilities/DataType.h>
namespace casacore { //# NAMESPACE CASACORE - BEGIN
// <summary>
// Base table column storage manager class
// </summary>
// <use visibility=local>
// <reviewed reviewer="Gareth Hunt" date="94Nov17" tests="">
// </reviewed>
// <prerequisite>
//# Classes you should understand before using this one.
// <li> DataManagerColumn
// </prerequisite>
// <etymology>
// StManColumnBase is the base class for a storage manager.
// </etymology>
// <synopsis>
// StManColumnBase is the abstract base class to handle a column in all
// kind of storage managers. It is derived from DataManagerColumn
// and implements a few (virtual) functions handling the column's
// data type for derived storage manager column classes.
// </synopsis>
// <todo asof="$DATE:$">
//# A List of bugs, limitations, extensions or planned refinements.
// </todo>
class StManColumnBase : public DataManagerColumn
{
public:
// Default constructor.
StManColumnBase (int dataType);
~StManColumnBase();
// The object cannot be copied.
StManColumnBase (const StManColumnBase&) = delete;
// The object cannot be assigned to.
StManColumnBase& operator= (const StManColumnBase&) = delete;
// Test if the given data type is supported by storage managers.
// It is used by the function Table::isNativeDataType.
static Bool isNativeDataType (int dtype);
// Return the data type of the column.
// <group>
virtual int dataType() const;
DataType dtype() const
{ return dtype_p; }
// </group>
// Return the size of an element of the column's data type.
Int elemSize() const
{ return elemSize_p; }
private:
// The data type of the column.
DataType dtype_p;
// The size of an element of this data type.
Int elemSize_p;
};
} //# NAMESPACE CASACORE - END
#endif
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