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//# TiledFileHelper.h: Helper class for tiled access to an array in a file
//# Copyright (C) 2001,2002
//# 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_TILEDFILEHELPER_H
#define TABLES_TILEDFILEHELPER_H
//# Includes
#include <casacore/casa/aips.h>
#include <casacore/tables/DataMan/TiledStMan.h>
#include <casacore/tables/Tables/TableDesc.h>
namespace casacore { //# NAMESPACE CASACORE - BEGIN
// <summary>
// Helper class for tiled access to an array in a file.
// </summary>
// <use visibility=local>
// <reviewed reviewer="" date="" tests="tTiledFileAccess.cc">
// </reviewed>
// <prerequisite>
//# Classes you should understand before using this one.
// <li> Description of Tiled Storage Manager in module file
// <linkto module=Tables:TiledStMan>Tables.h</linkto>
// </prerequisite>
// <synopsis>
// TiledFileHelper is a helper class for class
// <linkto class=TiledFileAccess>TiledFileAccess</linkto>.
// It sets up a table description containing one array column
// to make it possible to use the
// <linkto class=TiledStMan>tiled storage manager</linkto>
// to access an array in an arbitrary file.
// </synopsis>
// <motivation>
// This class was created to be able to read an image in a FITS file.
// </motivation>
//# <todo asof="$DATE:$">
//# A List of bugs, limitations, extensions or planned refinements.
//# </todo>
class TiledFileHelper : public TiledStMan
{
public:
// Create a TiledFileHelper object.
// Tell if the data is stored in big or little endian canonical format.
TiledFileHelper (const String& fileName, const IPosition& shape,
DataType dtype, const TSMOption&,
Bool writable, Bool bigEndian);
~TiledFileHelper();
// Forbid copy constructor.
TiledFileHelper (const TiledFileHelper&) = delete;
// Forbid assignment.
TiledFileHelper& operator= (const TiledFileHelper&) = delete;
virtual const TableDesc& getDesc() const;
TSMFile* file()
{ return fileSet_p[0]; }
// Return the class name.
virtual String dataManagerType() const;
// These functions are pure virtual, but not needed here.
// They throw an exception.
// <group>
virtual DataManager* clone() const;
virtual Bool flush (AipsIO&, Bool);
virtual void create64 (rownr_t);
virtual TSMCube* getHypercube (rownr_t);
virtual TSMCube* getHypercube (rownr_t, IPosition&);
virtual void readHeader (rownr_t, Bool);
// </group>
private:
TableDesc itsDesc;
};
} //# NAMESPACE CASACORE - END
#endif
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