/usr/include/casacore/tables/Tables/ConcatScalarColumn.tcc is in casacore-dev 2.2.0-2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 | //# ConcatScalarColumn.cc: A typed scalar column in a concatenated table
//# Copyright (C) 2008
//# 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_CONCATSCALARCOLUMN_TCC
#define TABLES_CONCATSCALARCOLUMN_TCC
#include <casacore/tables/Tables/ConcatScalarColumn.h>
#include <casacore/tables/Tables/ConcatTable.h>
#include <casacore/tables/Tables/ScalarColumn.h>
#include <casacore/casa/Arrays/Vector.h>
#include <casacore/casa/Utilities/GenSort.h>
namespace casacore { //# NAMESPACE CASACORE - BEGIN
template<typename T>
ConcatScalarColumn<T>::ConcatScalarColumn (const BaseColumnDesc* bcdp,
ConcatTable* reftab)
: ConcatColumn (bcdp, reftab)
{}
template<typename T>
ConcatScalarColumn<T>::~ConcatScalarColumn()
{}
template<typename T>
void ConcatScalarColumn<T>::getScalarColumn (void* dataPtr) const
{
Vector<T>& vec = *static_cast<Vector<T>*>(dataPtr);
uInt st = 0;
for (uInt i=0; i<refColPtr_p.nelements(); ++i) {
uInt nr = refColPtr_p[i]->nrow();
Vector<T> part = vec(Slice(st, nr));
refColPtr_p[i]->getScalarColumn (&part);
st += nr;
}
// Set the column cache to the first table.
///setColumnCache (0, refColPtr_p[0]->columnCache());
}
template<typename T>
void ConcatScalarColumn<T>::getScalarColumnCells (const RefRows& rownrs,
void* dataPtr) const
{
Vector<T>& vec = *static_cast<Vector<T>*>(dataPtr);
// Get the rownrs as a vector and sort it.
// In this way the data will be read in sequential order.
Vector<uInt> rows = rownrs.convert();
Vector<uInt> inx;
GenSortIndirect<uInt>::sort (inx, rows);
const ConcatRows& ccRows = refTabPtr_p->rows();
uInt tabRownr;
uInt tableNr=0;
// Map each row to rownr and tablenr.
// Note this is pretty fast because it is done in row order.
for (uInt i=0; i<inx.nelements(); ++i) {
uInt row = inx[i];
ccRows.mapRownr (tableNr, tabRownr, rows[row]);
refColPtr_p[tableNr]->get (tabRownr, &(vec[row]));
}
// Set the column cache to the last table used.
///setColumnCache (tableNr, refColPtr_p[tableNr]->columnCache());
}
template<typename T>
void ConcatScalarColumn<T>::putScalarColumn (const void* dataPtr)
{
Vector<T> vec (*static_cast<const Vector<T>*>(dataPtr));
uInt st = 0;
for (uInt i=0; i<refColPtr_p.nelements(); ++i) {
uInt nr = refColPtr_p[i]->nrow();
Vector<T> part = vec(Slice(st, nr));
refColPtr_p[i]->putScalarColumn (&part);
st += nr;
}
// Set the column cache to the first table.
///setColumnCache (0, refColPtr_p[0]->columnCache());
}
template<typename T>
void ConcatScalarColumn<T>::putScalarColumnCells (const RefRows& rownrs,
const void* dataPtr)
{
const Vector<T>& vec = *static_cast<const Vector<T>*>(dataPtr);
// Get the rownrs as a vector and sort it.
// In this way the data will be read in sequential order.
Vector<uInt> rows = rownrs.convert();
Vector<uInt> inx;
GenSortIndirect<uInt>::sort (inx, rows);
const ConcatRows& ccRows = refTabPtr_p->rows();
uInt tabRownr;
uInt tableNr=0;
// Map each row to rownr and tablenr.
// Note this is pretty fast because it is done in row order.
for (uInt i=0; i<inx.nelements(); ++i) {
uInt row = inx[i];
ccRows.mapRownr (tableNr, tabRownr, rows[row]);
refColPtr_p[tableNr]->put (tabRownr, &(vec[row]));
}
// Set the column cache to the last table used.
///setColumnCache (tableNr, refColPtr_p[tableNr]->columnCache());
}
template<class T>
void ConcatScalarColumn<T>::makeSortKey (Sort& sortobj,
CountedPtr<BaseCompare>& cmpObj,
Int order,
const void*& dataSave)
{
//# Get the data as a column.
//# Save the pointer to the vector for deletion by freeSortKey().
dataSave = 0;
ScalarColumn<T> col(refTabPtr_p->asTable(),
this->columnDesc().name());
Vector<T>* vecPtr = new Vector<T>;
col.getColumn (*vecPtr);
dataSave = vecPtr;
fillSortKey (vecPtr, sortobj, cmpObj, order);
}
template<class T>
void ConcatScalarColumn<T>::makeRefSortKey (Sort& sortobj,
CountedPtr<BaseCompare>& cmpObj,
Int order,
const Vector<uInt>& rownrs,
const void*& dataSave)
{
//# Get the data as a column.
dataSave = 0;
ScalarColumn<T> col(refTabPtr_p->asTable(),
this->columnDesc().name());
Vector<T>* vecPtr = new Vector<T>;
col.getColumnCells (RefRows(rownrs), *vecPtr);
dataSave = vecPtr;
fillSortKey (vecPtr, sortobj, cmpObj, order);
}
template<class T>
void ConcatScalarColumn<T>::fillSortKey (const Vector<T>* vecPtr,
Sort& sortobj,
CountedPtr<BaseCompare>& cmpObj,
Int order)
{
//# Pass the real vector storage as the sort data.
//# Use the compare object if given, otherwise pass data type.
//# Throw an exception if no compare function is given for
//# an unknown data type.
Bool deleteIt;
const T* datap = vecPtr->getStorage (deleteIt);
if (cmpObj.null()) {
cmpObj = new ObjCompare<T>();
}
sortobj.sortKey (datap, cmpObj, sizeof(T),
order == Sort::Descending ? Sort::Descending
: Sort::Ascending);
vecPtr->freeStorage (datap, deleteIt);
}
template<class T>
void ConcatScalarColumn<T>::freeSortKey (const void*& dataSave)
{
if (dataSave != 0) {
delete (Vector<T>*)dataSave;
}
dataSave = 0;
}
} //# NAMESPACE CASACORE - END
#endif
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