threadedCollatedOFstream.H

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/*---------------------------------------------------------------------------*\
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-------------------------------------------------------------------------------
    Copyright (C) 2017-2018 OpenFOAM Foundation
    Copyright (C) 2021-2025 OpenCFD Ltd.
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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::threadedCollatedOFstream
 
Description
    Master-only drop-in replacement for OFstream.
 
SourceFiles
    threadedCollatedOFstream.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef Foam_threadedCollatedOFstream_H
#define Foam_threadedCollatedOFstream_H
 
#include "dictionary.H"
#include "SpanStream.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
// Forward Declarations
class OFstreamCollator;
 
/*---------------------------------------------------------------------------*\
                  Class threadedCollatedOFstream Declaration
\*---------------------------------------------------------------------------*/
 
class threadedCollatedOFstream
:
    public OCharStream
{
    // Private Data
 
        //- The backend writer
        OFstreamCollator& writer_;
 
        //- The backend file name
        const fileName pathName_;
 
        //- Atomic file creation (ignored with append)
        const IOstreamOption::atomicType atomic_;
 
        //- Output file compression
        const IOstreamOption::compressionType compression_;
 
        //- Use threading
        const bool useThread_;
 
        //- Additional FoamFile entries for decomposed data
        dictionary headerEntries_;
 
 
    // Private Member Functions
 
        //- Commit buffered information
        void commit();
 
public:
 
    // Constructors
 
        //- Construct and set stream status
        threadedCollatedOFstream
        (
            OFstreamCollator& writer,
            IOstreamOption::atomicType atomic,
            const fileName& pathname,
            IOstreamOption streamOpt = IOstreamOption(),
            const bool useThread = true
        );
 
        //- Construct and set stream status
        threadedCollatedOFstream
        (
            OFstreamCollator& writer,
            const fileName& pathname,
            IOstreamOption streamOpt = IOstreamOption(),
            const bool useThread = true
        );
 
 
    //- Destructor - commits buffered information to file
    ~threadedCollatedOFstream();
 
 
    // Member Functions
 
        // -> using OCharStream::rewind
 
        //- Define the header entries for the data block(s)
        void setHeaderEntries(const dictionary& dict);
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //