/usr/include/casacore/casa/Logging/NullLogSink.h 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 | //# NullLogSink.h: Throw away all messages.
//# Copyright (C) 1996,2003
//# 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: aips2-request@nrao.edu.
//# Postal address: AIPS++ Project Office
//# National Radio Astronomy Observatory
//# 520 Edgemont Road
//# Charlottesville, VA 22903-2475 USA
//#
//#
//# $Id$
#ifndef CASA_NULLLOGSINK_H
#define CASA_NULLLOGSINK_H
#include <casacore/casa/aips.h>
#include <casacore/casa/Logging/LogSinkInterface.h>
namespace casacore { //# NAMESPACE CASACORE - BEGIN
// <summary>
// Throw away all messages.
// </summary>
// <use visibility=local>
// <reviewed reviewer="wbrouw" date="1996/08/21" tests="tLogging.cc" demos="dLogging.cc">
// </reviewed>
// <prerequisite>
// <li> <linkto class=LogSinkInterface>LogSinkInterface</linkto>
// </prerequisite>
//
// <etymology>
// Null as in "empty" or "/dev/null".
// </etymology>
//
// <synopsis>
// <src>NullLogSink</src> is a trivial
// <linkto class=LogSinkInterface>LogSinkInterface</linkto> which merely throws
// away all its messages. It is not intended to be used directly, rather it
// should be used through <linkto class=LogSink>LogSink</linkto>.
// </synopsis>
//
// <example>
// See <linkto file="Logging.h">Logging.h</linkto>.
// </example>
//
// <motivation>
// For testing, or to prevent multiply logging (local and global) to
// <src>cerr</src> (say).
// </motivation>
//
// <todo asof="1996/07/24">
// <li> Nothing known.
// </todo>
class NullLogSink : public LogSinkInterface {
public:
NullLogSink();
explicit NullLogSink(LogMessage::Priority filter);
explicit NullLogSink(const LogFilterInterface &filter);
NullLogSink(const NullLogSink &other);
NullLogSink &operator=(const NullLogSink &other);
~NullLogSink();
// Always throws the message away, but it does return <src>True</src> or
// <src>False</src> depending on whether or not <src>message</src> passes
// the filter.
virtual Bool postLocally(const LogMessage &message);
// Returns the id for this class...
static String localId( );
// Returns the id of the LogSink in use...
String id( ) const;
};
} //# NAMESPACE CASACORE - END
#endif
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