CompactIOField.H

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/*---------------------------------------------------------------------------*\
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  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation
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-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.
 
    OpenFOAM is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
    OpenFOAM 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 General Public License
    for more details.
 
    You should have received a copy of the GNU General Public License
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 
Class
    Foam::CompactIOField
 
Description
    A Field of objects of type <T> with automated input and output using
    a compact storage. Behaves like IOField except when binary output in
    case it writes a CompactListList.
 
    Useful for fields of small subfields e.g. in lagrangian
 
SourceFiles
    CompactIOField.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef CompactIOField_H
#define CompactIOField_H
 
#include "IOField.H"
#include "regIOobject.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
// Forward declaration of friend functions and operators
template<class T, class BaseType> class CompactIOField;
 
template<class T, class BaseType> Istream& operator>>
(
    Istream&,
    CompactIOField<T, BaseType>&
);
 
template<class T, class BaseType> Ostream& operator<<
(
    Ostream&,
    const CompactIOField<T, BaseType>&
);
 
/*---------------------------------------------------------------------------*\
                        Class CompactIOField Declaration
\*---------------------------------------------------------------------------*/
 
template<class T, class BaseType>
class CompactIOField
:
    public regIOobject,
    public Field<T>
{
    // Private Member Functions
 
        //- Read according to header type
        void readFromStream();
 
public:
 
    //- Runtime type information
    TypeName("FieldField");
 
 
    // Constructors
 
        //- Construct from IOobject
        CompactIOField(const IOobject&);
 
        //- Construct from IOobject and size
        CompactIOField(const IOobject&, const label);
 
        //- Construct from IOobject and a Field
        CompactIOField(const IOobject&, const Field<T>&);
 
        //- Construct by transferring the Field contents
        CompactIOField(const IOobject&, const Xfer<Field<T> >&);
 
 
    // Destructor
 
        virtual ~CompactIOField();
 
 
    // Member functions
 
        virtual bool writeObject
        (
            IOstream::streamFormat,
            IOstream::versionNumber,
            IOstream::compressionType
        ) const;
 
        virtual bool writeData(Ostream&) const;
 
 
    // Member operators
 
        void operator=(const CompactIOField<T, BaseType>&);
 
        void operator=(const Field<T>&);
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#ifdef NoRepository
#   include "CompactIOField.C"
#endif
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //