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//# dLogging.cc: This program demonstrates the logging system.
//# Copyright (C) 1996,1997,2001,2003
//# Associated Universities, Inc. Washington DC, USA.
//#
//# This program is free software; you can redistribute it and/or modify it
//# under the terms of the GNU General Public License as published by the Free
//# Software Foundation; either version 2 of the License, or (at your option)
//# any later version.
//#
//# This program 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 General Public License for
//# more details.
//#
//# You should have received a copy of the GNU General Public License along
//# with this program; 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
//#!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
//#!!
//#!! If you modify this file, change casa/Logging.h to reflect the changes.
//#!!
//#!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
//##### This file is documented in casa/Logging.h.
#include <casacore/casa/Logging.h>
#include <casacore/tables/LogTables/TableLogSink.h>
#include <casacore/casa/Arrays.h>
#include <casacore/casa/IO/ArrayIO.h>
#include <casacore/casa/sstream.h>
#include <casacore/casa/iostream.h>
#include <casacore/casa/namespace.h>
class DataClass
{
public:
DataClass(const IPosition &shape, const LogSink &sink); // 1
void set(Int toWhat); // 2
LogIO &sink() {return os_p;} // 3
Array<Int> &data() {return data_p;} // 4
const Array<Int> &data() const {return data_p;} // 5
private: // 6
Vector<Int> data_p; // 7
LogSink log_sink_p; // 8
LogIO os_p; // 9
};
DataClass::DataClass(const IPosition &shape, const LogSink &sink)
: log_sink_p(sink), os_p(log_sink_p) // 1
{ // 2
os_p << LogOrigin("DataClass", // 3
"DataClass(const IPosition &shape, const LogSink &sink)"); // 4
// 5
if (shape.nelements() != 1) { // 6
os_p << LogIO::SEVERE << WHERE << // 7
"Illegal Shape! Must be one dimensional." << LogIO::EXCEPTION; // 8
} // 9
// 10
data_p.resize(shape(0)); // 11
os_p << "Inital shape " << shape << "and value 2" << // 12
LogIO::NORMAL << LogIO::POST; // 13
// 14
set(2); // 15
}
void DataClass::set(Int toWhat)
{
os_p << LogIO::NORMAL << LogOrigin("DataClass", "set(Int toWhat)"); // 1
os_p << "Setting data values to " << toWhat << WHERE << LogIO::POST; // 2
uInt n = data_p.nelements(); // 3
for (uInt i=0; i < n; i++) { // 4
#ifdef AIPS_DEBUG // 5
os_p << LogIO::DEBUGGING << WHERE << // 6
"Setting element " << i << " to " << toWhat << LogIO::POST; // 7
#endif // 8
data_p(i) = toWhat; // 9
}
}
void square(DataClass &object)
{
object.sink() << LogIO::NORMAL << WHERE << // 1
LogOrigin("square(DataClass &object)") << "Squaring data elements" // 2
<< LogIO::POST; // 3
object.data() *= object.data(); // 4
}
float sum(const DataClass &object)
{
LogIO global(LogOrigin("sum(const DataClass &object)")); // 1
float theSum = sum(object.data()); // 2
global << WHERE << "Sum of object is: " << theSum; // 3
return theSum; // 4
}
int main()
{
LogSink::globalSink().filter(LogFilter(LogMessage::DEBUGGING));// 1
LogSink logger = TableLogSink::makeSink
("dLogging_tmp_messages"); // 2
// 3
IPosition legalShape(1, 10); // 4
DataClass dc(legalShape, logger); // 5
// 6
square(dc); // 7
// 8
Float total = sum(dc); // 9
if (total != 40) { // 10
cout << "sum is incorrect" << endl; // 11
return 1; // 12
} // 13
return 0; // 14
}
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