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//# TiledFileHelper.cc: Helper class for tiled access to an array in a file
//# Copyright (C) 2001,2002,2003
//# 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
#include <casacore/tables/DataMan/TiledFileHelper.h>
#include <casacore/tables/DataMan/TSMFile.h>
#include <casacore/tables/DataMan/TSMOption.h>
#include <casacore/tables/Tables/ArrColDesc.h>
#include <casacore/tables/Tables/TableError.h>
#include <casacore/casa/Arrays/Vector.h>
namespace casacore { //# NAMESPACE CASACORE - BEGIN
TiledFileHelper::TiledFileHelper (const String& fileName,
const IPosition& shape,
DataType dtype,
const TSMOption& tsmOption,
Bool writable,
Bool bigEndian)
: TiledStMan ("TiledFileHelper",
std::max(0, tsmOption.maxCacheSizeMB()) * 1024*1024)
{
// TSM is used on an existing file. So set optional default accordingly.
TSMOption tsmOpt(tsmOption);
tsmOpt.fillOption (False);
// Set info in parent TiledStMan object.
setEndian (bigEndian);
setTsmOption (tsmOpt);
switch (dtype) {
case TpBool:
itsDesc.addColumn (ArrayColumnDesc<Bool> ("DATA", shape,
ColumnDesc::FixedShape));
break;
case TpUChar:
itsDesc.addColumn (ArrayColumnDesc<uChar> ("DATA", shape,
ColumnDesc::FixedShape));
break;
case TpShort:
itsDesc.addColumn (ArrayColumnDesc<Short> ("DATA", shape,
ColumnDesc::FixedShape));
break;
case TpInt:
itsDesc.addColumn (ArrayColumnDesc<Int> ("DATA", shape,
ColumnDesc::FixedShape));
break;
case TpFloat:
itsDesc.addColumn (ArrayColumnDesc<Float> ("DATA", shape,
ColumnDesc::FixedShape));
break;
case TpDouble:
itsDesc.addColumn (ArrayColumnDesc<Double> ("DATA", shape,
ColumnDesc::FixedShape));
break;
case TpComplex:
itsDesc.addColumn (ArrayColumnDesc<Complex> ("DATA", shape,
ColumnDesc::FixedShape));
break;
case TpDComplex:
itsDesc.addColumn (ArrayColumnDesc<DComplex> ("DATA", shape,
ColumnDesc::FixedShape));
break;
default:
throw TableError ("TiledFileHelper: invalid data type");
}
createDirArrColumn ("DATA", dtype, "");
TiledStMan::setup(0);
fileSet_p[0] = new TSMFile (fileName, writable, tsmOpt);
}
TiledFileHelper::~TiledFileHelper()
{}
const TableDesc& TiledFileHelper::getDesc() const
{
return itsDesc;
}
String TiledFileHelper::dataManagerType() const
{
return "TiledFileHelper";
}
DataManager* TiledFileHelper::clone() const
{
throw AipsError ("TileFileHelper::clone - not implemented");
}
Bool TiledFileHelper::flush (AipsIO&, Bool)
{
throw AipsError ("TileFileHelper::flush - not implemented");
return False;
}
void TiledFileHelper::create64 (rownr_t)
{
throw AipsError ("TileFileHelper::create64 - not implemented");
}
TSMCube* TiledFileHelper::getHypercube (rownr_t)
{
throw AipsError ("TileFileHelper::getHypercube - not implemented");
return 0;
}
TSMCube* TiledFileHelper::getHypercube (rownr_t, IPosition&)
{
throw AipsError ("TileFileHelper:getHypercube: - not implemented");
return 0;
}
void TiledFileHelper::readHeader (rownr_t, Bool)
{
throw AipsError ("TileFileHelper::readHeader - not implemented");
}
} //# NAMESPACE CASACORE - END
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