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SpecificFunctionFactory.h
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00001 //# SpecificFunctionFactory.h: a class for creating a Function object from Records
00002 //# Copyright (C) 2002
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 //#
00027 //# $Id: SpecificFunctionFactory.h 18093 2004-11-30 17:51:10Z ddebonis $
00028 
00029 #ifndef SCIMATH_SPECIFICFUNCTIONFACTORY_H
00030 #define SCIMATH_SPECIFICFUNCTIONFACTORY_H
00031 
00032 #include <scimath/Functionals/Function.h>
00033 #include <scimath/Functionals/AbstractFunctionFactory.h>
00034 
00035 namespace casa { //# NAMESPACE CASA - BEGIN
00036 
00037 //# Forward Declarations
00038 class Record;
00039 
00040 // <summary>
00041 //
00042 //
00043 //
00044 //
00045 //
00046 // </summary>
00047 
00048 // <use visibility=export>
00049 
00050 // <reviewed reviewer="" date="yyyy/mm/dd" tests="" demos="">
00051 // </reviewed>
00052 
00053 // <prerequisite>
00054 //   <li> FunctionFactory
00055 // </prerequisite>
00056 //
00057 // <etymology>
00058 // This class is based on the Factory pattern, similar to the 
00059 // ApplicationObjectFactory
00060 // </etymology>
00061 //
00062 // <synopsis>
00063 //
00064 //
00065 //
00066 //
00067 // </synopsis>
00068 //
00069 // <example>
00070 //
00071 //
00072 //
00073 // </example>
00074 //
00075 // <motivation>
00076 //
00077 //
00078 //
00079 // </motivation>
00080 //
00081 // <templating arg=T>
00082 //    <li> F class must be a subclass of Function<T>
00083 //    <li> F class must have a constructor for the form F(const Record&)
00084 // </templating>
00085 //
00086 // <thrown>
00087 //    <li>
00088 //    <li>
00089 // </thrown>
00090 //
00091 // <todo asof="yyyy/mm/dd">
00092 //   <li> 
00093 //   <li> 
00094 //   <li> 
00095 // </todo>
00096 template<class T, class F> 
00097 class SpecificFunctionFactory : public FunctionFactory<T>
00098 {
00099 public:
00100     SpecificFunctionFactory() {}
00101     SpecificFunctionFactory(const SpecificFunctionFactory<T,F>& factory) {}
00102     virtual ~SpecificFunctionFactory() {}
00103     virtual Function<T> *create(const Record& gr) const 
00104         throw (FunctionFactoryError) 
00105     {
00106         return new F(gr);
00107     }
00108     SpecificFunctionFactory<T,F>& 
00109         operator=(const SpecificFunctionFactory<T,F>& factory) 
00110     {
00111         return *this;
00112     }
00113 };
00114 
00115 
00116 } //# NAMESPACE CASA - END
00117 
00118 #endif
00119 
00120