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00001 //# ArrayColumnFunbc.h: Functors to operate on an ArrayColumn 00002 //# Copyright (C) 2009 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: ArrayColumnFunc.h 20652 2009-07-06 05:04:32Z Malte.Marquarding $ 00027 00028 #ifndef TABLES_ARRAYCOLUMNFUNC_H 00029 #define TABLES_ARRAYCOLUMNFUNC_H 00030 00031 //# Includes 00032 #include <tables/Tables/ArrayColumn.h> 00033 #include <casa/Arrays/Slicer.h> 00034 #include <casa/Arrays/Array.h> 00035 00036 namespace casa { //# NAMESPACE CASA - BEGIN 00037 00038 // <summary> Abstract baseclass for slices functors </summary> 00039 // <synopsis> 00040 // There are several ArrayColumn functions to get or put irregular array 00041 // slices. ArrayColumn::handleSlices is used to perform all common 00042 // operations using a functor derived from this base class. 00043 // </synopsis> 00044 template<typename T> 00045 class BaseSlicesFunctor 00046 { 00047 public: 00048 virtual ~BaseSlicesFunctor() 00049 {} 00050 virtual void apply (const Slicer& slicer, Array<T>& arr) = 0; 00051 }; 00052 00053 // <summary> Functor to get irregular array slices from a cell</summary> 00054 template<typename T> 00055 class GetCellSlices : public BaseSlicesFunctor<T> 00056 { 00057 public: 00058 GetCellSlices (const ROArrayColumn<T>& col, uInt rownr) 00059 : itsCol(col), itsRow(rownr) 00060 {} 00061 virtual void apply (const Slicer& slicer, Array<T>& arr) 00062 { itsCol.getSlice (itsRow, slicer, arr); } 00063 private: 00064 const ROArrayColumn<T>& itsCol; 00065 uInt itsRow; 00066 }; 00067 00068 // <summary> Functor to get irregular array slices from a column</summary> 00069 template<typename T> 00070 class GetColumnSlices : public BaseSlicesFunctor<T> 00071 { 00072 public: 00073 GetColumnSlices (const ROArrayColumn<T>& col) 00074 : itsCol(col) 00075 {} 00076 virtual void apply (const Slicer& slicer, Array<T>& arr) 00077 { itsCol.getColumn (slicer, arr); } 00078 private: 00079 const ROArrayColumn<T>& itsCol; 00080 }; 00081 00082 // <summary> Functor to put irregular array slices into a cell </summary> 00083 template<typename T> 00084 class PutCellSlices : public BaseSlicesFunctor<T> 00085 { 00086 public: 00087 PutCellSlices (ArrayColumn<T>& col, uInt rownr) 00088 : itsCol(col), itsRow(rownr) 00089 {} 00090 virtual void apply (const Slicer& slicer, Array<T>& arr) 00091 { itsCol.putSlice (itsRow, slicer, arr); } 00092 private: 00093 ArrayColumn<T>& itsCol; 00094 uInt itsRow; 00095 }; 00096 00097 // <summary> Functor to get irregular array slices from a column</summary> 00098 template<typename T> 00099 class PutColumnSlices : public BaseSlicesFunctor<T> 00100 { 00101 public: 00102 PutColumnSlices (ArrayColumn<T>& col) 00103 : itsCol(col) 00104 {} 00105 virtual void apply (const Slicer& slicer, Array<T>& arr) 00106 { itsCol.putColumn (slicer, arr); } 00107 private: 00108 ArrayColumn<T>& itsCol; 00109 }; 00110 00111 } //# NAMESPACE CASA - END 00112 00113 #endif