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//# dLogging.cc: This program demonstrates the logging system.
//# Copyright (C) 1996,2001,2003
//# 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: aips2-request@nrao.edu.
//# Postal address: AIPS++ Project Office
//# National Radio Astronomy Observatory
//# 520 Edgemont Road
//# Charlottesville, VA 22903-2475 USA
//#
//# $Id$
//#!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
//#!!
//#!! 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/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
LogSink &sink() {return log_sink_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
};
DataClass::DataClass(const IPosition &shape, const LogSink &sink)
: log_sink_p(sink) // 1
{ // 2
LogOrigin where("DataClass", // 3
"DataClass(const IPosition &shape, const LogSink &sink)", // 4
WHERE); // 5
LogMessage logMessage(where); // 6
// 7
if (shape.nelements() != 1) { // 8
logMessage.priority(LogMessage::SEVERE).line(__LINE__).message( // 9
"Illegal Shape! Must be one dimensional."); // 10
log_sink_p.postThenThrow(logMessage, AipsError()); // 11
} // 12
// 13
data_p.resize(shape(0)); // 14
ostringstream buffer; // 15
buffer << "Inital shape " << shape << "and value 2"; // 16
log_sink_p.post( // 17
logMessage.priority(LogMessage::NORMAL).line(__LINE__). // 19
message(buffer)); // 19
// 20
set(2); // 21
}
void DataClass::set(Int toWhat)
{
LogOrigin where("DataClass", "set(Int toWhat)", WHERE); // 1
LogMessage logMessage(where); // 2
ostringstream buffer; // 3
buffer << "Setting data values to " << toWhat; // 4
log_sink_p.post(logMessage.priority(LogMessage::NORMAL).line(__LINE__). // 5
message(buffer)); // 6
uInt n = data_p.nelements(); // 7
for (uInt i=0; i < n; i++) { // 8
#ifdef AIPS_DEBUG // 9
ostringstream buffer; // 10
buffer << "Setting element " << i << " to " << toWhat; // 11
logMessage.priority(LogMessage::DEBUGGING).line(__LINE__). // 12
message(buffer); // 13
log_sink_p.post(logMessage); // 14
#endif // 15
data_p(i) = toWhat; // 16
}
}
void square(DataClass &object)
{
object.sink().post(LogMessage("Squaring object.data elements", // 1
LogOrigin("square(DataClass &object)", // 2
WHERE))); // 3
object.data() *= object.data(); // 4
}
float sum(const DataClass &object)
{
float theSum = sum(object.data()); // 1
ostringstream buffer; // 2
buffer << "Sum of object is: " << theSum; // 3
LogSink::postGlobally(LogMessage(buffer, // 4
LogOrigin("sum(const DataClass &object)", WHERE))); // 5
return theSum; // 6
}
int main()
{
LogSink::globalSink().filter(LogFilter(LogMessage::DEBUGGING));// 1
LogSink logger = TableLogSink::makeSink
("dLogging2_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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