Line data    Source code

       1             : //# AsdmColumn.h: A column in the ASDM Storage Manager
       2             : //# Copyright (C) 2012
       3             : //# Associated Universities, Inc. Washington DC, USA.
       4             : //# (c) European Southern Observatory, 2012
       5             : //# Copyright by ESO (in the framework of the ALMA collaboration)
       6             : //#
       7             : //# This library is free software; you can redistribute it and/or modify it
       8             : //# under the terms of the GNU Library General Public License as published by
       9             : //# the Free Software Foundation; either version 2 of the License, or (at your
      10             : //# option) any later version.
      11             : //#
      12             : //# This library is distributed in the hope that it will be useful, but WITHOUT
      13             : //# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
      14             : //# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
      15             : //# License for more details.
      16             : //#
      17             : //# You should have receied a copy of the GNU Library General Public License
      18             : //# along with this library; if not, write to the Free Software Foundation,
      19             : //# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
      20             : //#
      21             : //# Correspondence concerning AIPS++ should be addressed as follows:
      22             : //#        Internet email: casa-feedback@nrao.edu.
      23             : //#        Postal address: AIPS++ Project Office
      24             : //#                        National Radio Astronomy Observatory
      25             : //#                        520 Edgemont Road
      26             : //#                        Charlottesville, VA 22903-2475 USA
      27             : //#
      28             : //# $Id: AsdmColumn.h 19324 2011-11-21 07:29:55Z diepen $
      29             : 
      30             : #ifndef ASDM_ASDMCOLUMN_H
      31             : #define ASDM_ASDMCOLUMN_H
      32             : 
      33             : 
      34             : //# Includes
      35             : #include <asdmstman/AsdmStMan.h> 
      36             : #include <casacore/tables/DataMan/StManColumn.h>
      37             : #include <casacore/casa/Arrays/IPosition.h>
      38             : #include <casacore/casa/Containers/Block.h>
      39             : #include <casacore/casa/OS/Conversion.h>
      40             : 
      41             : namespace casa {
      42             : 
      43             : // <summary>
      44             : // A column in the ASDM Storage Manager.
      45             : // </summary>
      46             : 
      47             : // <use visibility=local>
      48             : 
      49             : // <reviewed reviewer="UNKNOWN" date="before2004/08/25" tests="tAsdmStMan.cc">
      50             : // </reviewed>
      51             : 
      52             : // <prerequisite>
      53             : //# Classes you should understand before using this one.
      54             : //   <li> <linkto class=AsdmStMan>AsdmStMan</linkto>
      55             : // </prerequisite>
      56             : 
      57             : // <synopsis>
      58             : // For each column a specific Column class exists.
      59             : // </synopsis>
      60             : 
      61             : class AsdmColumn : public casacore::StManColumn
      62             : {
      63             : public:
      64         277 :   explicit AsdmColumn (AsdmStMan* parent, int dtype)
      65         277 :     : casacore::StManColumn (dtype),
      66         277 :       itsParent   (parent)
      67         277 :   {}
      68             :   virtual ~AsdmColumn();
      69             :   // All columns are not writable.
      70             :   // However, we let AsdmColumn::isWritable() return true. If an actual write is done, 
      71             :   // an exception will be thrown. This ensures that the StMan will work with MSMainColumns.
      72             :   virtual casacore::Bool isWritable() const;
      73             :   // Set column shape of fixed shape columns; it does nothing.
      74             :   virtual void setShapeColumn (const casacore::IPosition& shape);
      75             :   // Prepare the column. By default it does nothing.
      76             :   virtual void prepareCol();
      77             : 
      78             : protected:
      79             : 
      80             :   template <typename T>
      81             :   void getSlice (casacore::uInt rowNumber,
      82             :                   const casacore::Slicer & slicer,
      83             :                   casacore::Array<T> * destination);
      84             : 
      85             :   AsdmStMan* itsParent;
      86             : };
      87             : 
      88             : // <summary>DATA column in the ASDM Storage Manager.</summary>
      89             : // <use visibility=local>
      90             : class AsdmDataColumn : public AsdmColumn
      91             : {
      92             : public:
      93         239 :   explicit AsdmDataColumn (AsdmStMan* parent, int dtype)
      94         239 :     : AsdmColumn(parent, dtype) {}
      95             :   virtual ~AsdmDataColumn();
      96             :   virtual casacore::IPosition shape (casacore::uInt rownr);
      97             :   virtual void getArrayComplexV (casacore::uInt rowNr, casacore::Array<casacore::Complex>* dataPtr);
      98             :   virtual void getSliceComplexV (casacore::uInt rowNumber, const casacore::Slicer & slicer,
      99             :                                  casacore::Array<casacore::Complex> * destination);
     100             : };
     101             : 
     102             : // <summary>FLOAT_DATA column in the ASDM Storage Manager.</summary>
     103             : // <use visibility=local>
     104             : class AsdmFloatDataColumn : public AsdmColumn
     105             : {
     106             : public:
     107          38 :   explicit AsdmFloatDataColumn (AsdmStMan* parent, int dtype)
     108          38 :     : AsdmColumn(parent, dtype) {}
     109             :   virtual ~AsdmFloatDataColumn();
     110             :   virtual casacore::IPosition shape (casacore::uInt rownr);
     111             :   virtual void getArrayfloatV (casacore::uInt rowNr, casacore::Array<casacore::Float> * dataPtr);
     112             :   virtual void getSlicefloatV (casacore::uInt rowNumber, const casacore::Slicer & slicer,
     113             :                                casacore::Array<casacore::Float> * destination);
     114             : };
     115             : 
     116             : // <summary>FLAG column in the ASDM Storage Manager.</summary>
     117             : // <use visibility=local>
     118             : class AsdmFlagColumn : public AsdmColumn
     119             : {
     120             : public:
     121           0 :   explicit AsdmFlagColumn (AsdmStMan* parent, int dtype)
     122           0 :     : AsdmColumn(parent, dtype) {}
     123             :   virtual ~AsdmFlagColumn();
     124             :   virtual casacore::IPosition shape (casacore::uInt rownr);
     125             :   virtual void getArrayBoolV (casacore::uInt rowNr,
     126             :                               casacore::Array<casacore::Bool>* dataPtr);
     127             :   virtual void getSliceBoolV (casacore::uInt rowNumber, const casacore::Slicer & slicer,
     128             :                               casacore::Array<casacore::Bool> * destination);
     129             : };
     130             : 
     131             : // <summary>WEIGHT column in the ASDM Storage Manager.</summary>
     132             : // <use visibility=local>
     133             : class AsdmWeightColumn : public AsdmColumn
     134             : {
     135             : public:
     136           0 :   explicit AsdmWeightColumn (AsdmStMan* parent, int dtype)
     137           0 :     : AsdmColumn(parent, dtype) {}
     138             :   virtual ~AsdmWeightColumn();
     139             :   virtual casacore::IPosition shape (casacore::uInt rownr);
     140             :   virtual void getArrayfloatV (casacore::uInt rowNr,
     141             :                                casacore::Array<casacore::Float>* dataPtr);
     142             :   virtual void getSlicefloatV (casacore::uInt rowNumber, const casacore::Slicer & slicer,
     143             :                                casacore::Array<casacore::Float> * destination);
     144             : };
     145             : 
     146             : // <summary>SIGMA column in the ASDM Storage Manager.</summary>
     147             : // <use visibility=local>
     148             : class AsdmSigmaColumn : public AsdmColumn
     149             : {
     150             : public:
     151           0 :   explicit AsdmSigmaColumn (AsdmStMan* parent, int dtype)
     152           0 :     : AsdmColumn(parent, dtype) {}
     153             :   virtual ~AsdmSigmaColumn();
     154             :   virtual casacore::IPosition shape (casacore::uInt rownr);
     155             :   virtual void getArrayfloatV (casacore::uInt rowNr,
     156             :                                casacore::Array<casacore::Float>* dataPtr);
     157             :   virtual void getSlicefloatV (casacore::uInt rowNumber, const casacore::Slicer & slicer,
     158             :                                casacore::Array<casacore::Float> * destination);
     159             : };
     160             : 
     161             : 
     162             : } //# end namespace
     163             : 
     164             : #endif