GlobalIOField.H

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/*---------------------------------------------------------------------------*\
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  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | www.openfoam.com
     \\/     M anipulation  |
-------------------------------------------------------------------------------
    Copyright (C) 2015-2017 OpenFOAM Foundation
    Copyright (C) 2016-2024 OpenCFD Ltd.
-------------------------------------------------------------------------------
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::GlobalIOField
 
Description
    IOField with global data (so optionally read from master)
 
SourceFiles
    GlobalIOField.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef Foam_GlobalIOField_H
#define Foam_GlobalIOField_H
 
#include "IOField.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
/*---------------------------------------------------------------------------*\
                           Class GlobalIOField Declaration
\*---------------------------------------------------------------------------*/
 
template<class Type>
class GlobalIOField
:
    public regIOobject,
    public Field<Type>
{
public:
 
    //- The underlying content type
    typedef Field<Type> content_type;
 
    //- Runtime type information
    TypeName("Field");
 
 
    // Constructors
 
        //- Default copy construct
        GlobalIOField(const GlobalIOField&) = default;
 
        //- Construct from IOobject. Will be zero size if not read.
        explicit GlobalIOField(const IOobject& io);
 
        //- Construct from IOobject and field size (if not read)
        GlobalIOField(const IOobject& io, const label len);
 
        //- Construct from IOobject and copy of List/Field content
        GlobalIOField(const IOobject& io, const UList<Type>& content);
 
        //- Construct by transferring the Field content
        GlobalIOField(const IOobject& io, Field<Type>&& content);
 
        //- Construct by copying/moving tmp content
        GlobalIOField(const IOobject& io, const tmp<Field<Type>>& tfld);
 
 
    // Factory Methods
 
        //- Read and return contents. The IOobject is never registered
        static Field<Type> readContents(const IOobject& io);
 
 
    //- Destructor
    virtual ~GlobalIOField() = default;
 
 
    // Member Functions
 
        //- The object is global
        virtual bool global() const
        {
            return true;
        }
 
        //- Return complete path + object name if the file exists
        //- either in the case/processor or case, otherwise null
        virtual fileName filePath() const
        {
            return globalFilePath(type());
        }
 
        //- The readData method for regIOobject read operation
        virtual bool readData(Istream& is);
 
        //- The writeData method for regIOobject write operation
        bool writeData(Ostream& os) const;
 
 
    // Member Operators
 
        //- Copy or move assignment of entries
        using Field<Type>::operator=;
 
        //- Copy assignment of entries
        void operator=(const GlobalIOField<Type>& rhs)
        {
            Field<Type>::operator=(rhs);
        }
 
        //- Move assignment of entries
        void operator=(GlobalIOField<Type>&& rhs)
        {
            Field<Type>::operator=(std::move(static_cast<Field<Type>&>(rhs)));
        }
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#ifdef NoRepository
#   include "GlobalIOField.C"
#endif
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //