/usr/include/casacore/lattices/LatticeMath/LatticeProgress.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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 | //# LatticeProgress.h: Abstract base class to monitor progress in lattice operations
//# Copyright (C) 1997
//# 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 LATTICES_LATTICEPROGRESS_H
#define LATTICES_LATTICEPROGRESS_H
//# Includes
#include <casacore/casa/aips.h>
namespace casacore { //# NAMESPACE CASACORE - BEGIN
//# Forward Declarations
template <class T> class Vector;
class IPosition;
// <summary>
// Abstract base class to monitor progress in lattice operations
// </summary>
// <use visibility=export>
// <reviewed reviewer="" date="yyyy/mm/dd" tests="" demos="">
// </reviewed>
// <synopsis>
// This is an abstract base class for classes to monitor the
// progress of an operation on a Lattice. The default implementation
// offered by this class does nothing.
// However, a derived class could show the progress using for example
// a <linkto class=ProgressMeter>ProgressMeter</linkto>. A derived
// class should override the virtual functions from this class.
//
// The user of the LatticeProgress object should first call
// function <src>init</src> with the total number of steps
// that are to be done. Thereafter, after each step has been
// executed, function <src>nstepsDone</src> should be called
// after each step. Finally, function <src>done</src> should
// be called.
// </synopsis>
// <example>
// <srcblock>
// </srcblock>
// </example>
// <motivation>
// Since operations on Lattices can take a while, it can be useful
// to show the progress. However, making module Lattices dependent on
// the class ProgressMeter sounded bad. This abstract class serves
// as a bridge between the Lattice module and the ProgressMeter class
// (or any other class showing the progress).
// </motivation>
//
//# <todo asof="1997/08/01">
//# <li>
//# </todo>
class LatticeProgress
{
public:
LatticeProgress()
: itsExpectedNsteps(0) {}
virtual ~LatticeProgress();
// Initialize the process.
// It sets the expected number of steps and
// calls initDerived, so a derived class can initialize itself.
void init (uInt expectedNsteps);
// Tell the number of steps done so far.
// The default implementation does nothing. A derived class
// should call the ProgressMeter function <src>update</src>
virtual void nstepsDone (uInt nsteps);
// The process has ended.
virtual void done();
// Recovers the expected number of total steps.
uInt expectedNsteps() const
{ return itsExpectedNsteps; }
protected:
// Let a derived class initialize itself.
// This function is called by <src>init</src>.
// The derived class should create the <src>ProgressMeter</src>
// in here.
virtual void initDerived();
private:
uInt itsExpectedNsteps;
};
} //# NAMESPACE CASACORE - END
#endif
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