RegSequence.h

Go to the documentation of this file.
00001 //# RegSequence.h: Sequence for the Register template functions
00002 //# Copyright (C) 1993,1994,1995,1999
00003 //# Associated Universities, Inc. Washington DC, USA.
00004 //#
00005 //# This library is free software; you can redistribute it and/or modify it
00006 //# under the terms of the GNU Library General Public License as published by
00007 //# the Free Software Foundation; either version 2 of the License, or (at your
00008 //# option) any later version.
00009 //#
00010 //# This library is distributed in the hope that it will be useful, but WITHOUT
00011 //# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
00012 //# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
00013 //# License for more details.
00014 //#
00015 //# You should have received a copy of the GNU Library General Public License
00016 //# along with this library; if not, write to the Free Software Foundation,
00017 //# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
00018 //#
00019 //# Correspondence concerning AIPS++ should be addressed as follows:
00020 //#        Internet email: aips2-request@nrao.edu.
00021 //#        Postal address: AIPS++ Project Office
00022 //#                        National Radio Astronomy Observatory
00023 //#                        520 Edgemont Road
00024 //#                        Charlottesville, VA 22903-2475 USA
00025 //#
00026 //# $Id$
00027 
00028 #ifndef CASA_REGSEQUENCE_H
00029 #define CASA_REGSEQUENCE_H
00030 
00031 #include <casacore/casa/aips.h>
00032 #include <casacore/casa/Utilities/Sequence.h>
00033 #include <casacore/casa/OS/Mutex.h>
00034 
00035 namespace casacore { //# NAMESPACE CASACORE - BEGIN
00036 
00037 // <summary> Sequence for the Register() template functions </summary>
00038 // <use visibility=export>
00039 // <reviewed reviewer="Friso Olnon" date="1995/03/17" tests="" demos="">
00040 // </reviewed>
00041 
00042 // <prerequisite>
00043 // <li> class <linkto class=Sequence>Sequence</linkto>
00044 // <li> global function <linkto group="Register.h#register">Register</linkto>
00045 // </prerequisite>
00046 
00047 // <synopsis> 
00048 // This class provides a <linkto class=Sequence>Sequence</linkto> for the
00049 // <linkto group="Register.h#register">Register()</linkto> template
00050 // functions. Providing a separate sequence exclusively for 
00051 // <src>Register()</src> makes it less likely that the <src>uInt</src>
00052 // counter will overflow.
00053 // </synopsis> 
00054 
00055 class RegSequence : public Sequence<uInt> {
00056 public:
00057     // Get the next <src>uInt</src> value in the sequence (thread-safe).
00058     // <group>
00059     uInt getNext();
00060     static uInt SgetNext() {return ++num;}
00061     // </group>
00062 
00063 private:
00064     static uInt num;
00065     static Mutex theirMutex;
00066 };
00067 
00068 
00069 } //# NAMESPACE CASACORE - END
00070 
00071 #endif
00072 
00073 
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Defines

Generated on 31 Aug 2016 for casa by  doxygen 1.6.1