codedFunctionObject.H

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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::codedFunctionObject
 
Description
    Provides a general interface to enable dynamic code compilation.
 
    The entries are:
    \plaintable
       codeInclude | include files
       codeOptions | include paths; inserted into EXE_INC in Make/options
       codeLibs    | link line; inserted into LIB_LIBS in Make/options
       codeData    | c++; local member data (null constructed);
       localCode   | c++; local static functions;
       codeRead    | c++; upon functionObject::read();
       codeFields  | c++; upon functionObject::fields();
       codeExecute | c++; upon functionObject::execute();
       codeWrite   | c++; upon functionObject::write()
       codeEnd     | c++; upon functionObject::end();
    \endplaintable
 
    Example of function object specification:
    \verbatim
    writeMagU
    {
        libs        ("libutilityFunctionObjects.so");
 
        type coded;
 
        codeWrite
        #{
            // Lookup U
            const volVectorField& U = mesh().lookupObject<volVectorField>("U");
            // Write
            mag(U)().write();
        #};
    }
    \endverbatim
 
See also
    Foam::functionObject
    Foam::codedBase
 
SourceFiles
    codedFunctionObject.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef codedFunctionObject_functionObject_H
#define codedFunctionObject_functionObject_H
 
#include "functionObject.H"
#include "codedBase.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
/*---------------------------------------------------------------------------*\
                     Class codedFunctionObject Declaration
\*---------------------------------------------------------------------------*/
 
class codedFunctionObject
:
    public functionObject,
    public codedBase
{
    // Private Data
 
        //- Keywords associated with source code
        static const wordList codeKeys;
 
        //- Name of the dictionary variables in the source code
        static const wordList codeDictVars;
 
        //- The dynamically generated functionObject pointer
        mutable autoPtr<functionObject> redirectFunctionObjectPtr_;
 
 
    // Private Member Functions
 
        //- Adapt the context for the current object
        virtual void prepare(dynamicCode&, const dynamicCodeContext&) const;
 
        //- Compile, link and load the compiled functionObject
        void updateLibrary(const dictionary& dict);
 
        //- Return the compiled functionObject
        functionObject& redirectFunctionObject() const;
 
 
public:
 
    //- Runtime type information
    TypeName("coded");
 
 
    // Constructors
 
        //- Construct from Time and dictionary
        codedFunctionObject
        (
            const word& name,
            const Time& time,
            const dictionary& dict
        );
 
        //- Disallow default bitwise copy construction
        codedFunctionObject(const codedFunctionObject&) = delete;
 
 
    //- Destructor
    virtual ~codedFunctionObject();
 
 
    // Member Functions
 
        //- Return the list of fields required
        virtual wordList fields() const;
 
        //- Called at each ++ or += of the time-loop.
        //  foamPostProcess overrides the usual executeControl behaviour and
        //  forces execution (used in post-processing mode)
        virtual bool execute();
 
        //- Called at each ++ or += of the time-loop.
        //  foamPostProcess overrides the usual writeControl behaviour and
        //  forces writing always (used in post-processing mode)
        virtual bool write();
 
        //- Called when Time::run() determines that the time-loop exits.
        //  By default it simply calls execute().
        virtual bool end();
 
        //- Read and set the function object if its data have changed
        virtual bool read(const dictionary&);
 
 
    // Member Operators
 
        //- Disallow default bitwise assignment
        void operator=(const codedFunctionObject&) = delete;
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //