fvMeshDistributorNew.C

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#include "fvMeshDistributorsNone.H"

// * * * * * * * * * * * * * * * * Selectors * * * * * * * * * * * * * * * * //

Foam::autoPtr<Foam::fvMeshDistributor> Foam::fvMeshDistributor::New
(
    fvMesh& mesh
)
{
    // Only construct a real distributor when running in parallel
    // otherwise return a fvMeshDistributors::none
    if (Pstream::parRun())
    {
        typeIOobject<IOdictionary> dictHeader
        (
            IOobject
            (
                "dynamicMeshDict",
                mesh.time().constant(),
                mesh.dbDir(),
                mesh,
                IOobject::READ_IF_PRESENT,
                IOobject::NO_WRITE,
                false
            )
        );

        if (dictHeader.headerOk())
        {
            IOdictionary dict(dictHeader);

            if (dict.found("distributor"))
            {
                const dictionary& distributorDict = dict.subDict("distributor");

                const word fvMeshDistributorTypeName
                (
                    distributorDict.lookup("type")
                );

                Info<< "Selecting fvMeshDistributor "
                    << fvMeshDistributorTypeName << endl;

                libs.open
                (
                    distributorDict,
                    "libs",
                    fvMeshConstructorTablePtr_
                );

                if (!fvMeshConstructorTablePtr_)
                {
                    FatalErrorInFunction
                        << "fvMeshDistributors table is empty"
                        << exit(FatalError);
                }

                fvMeshConstructorTable::iterator cstrIter =
                    fvMeshConstructorTablePtr_->find(fvMeshDistributorTypeName);

                if (cstrIter == fvMeshConstructorTablePtr_->end())
                {
                    FatalErrorInFunction
                        << "Unknown fvMeshDistributor type "
                        << fvMeshDistributorTypeName << nl << nl
                        << "Valid fvMeshDistributors are :" << endl
                        << fvMeshConstructorTablePtr_->sortedToc()
                        << exit(FatalError);
                }

                return autoPtr<fvMeshDistributor>(cstrIter()(mesh));
            }
        }
    }

    return autoPtr<fvMeshDistributor>(new fvMeshDistributors::none(mesh));
}


// ************************************************************************* //