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/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2016-2018 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
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/>.
\*---------------------------------------------------------------------------*/
#include "fieldsExpression.H"
#include "dictionary.H"
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
namespace Foam
{
namespace functionObjects
{
defineTypeNameAndDebug(fieldsExpression, 0);
}
}
// * * * * * * * * * * * * * Protected Member Functions * * * * * * * * * * //
void Foam::functionObjects::fieldsExpression::setResultName
(
const word& typeName,
const wordList& defaultArgs
)
{
if (fieldNames_.empty())
{
fieldNames_ = defaultArgs;
}
if (resultName_.empty())
{
if (!fieldNames_.empty())
{
resultName_ = typeName + '(' + fieldNames_[0];
for (label i=1; i<fieldNames_.size(); i++)
{
resultName_ += ',' + fieldNames_[i];
}
resultName_ += ')';
}
else
{
resultName_ = typeName;
}
}
}
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
Foam::functionObjects::fieldsExpression::fieldsExpression
(
const word& name,
const Time& runTime,
const dictionary& dict,
const wordList& fieldNames,
const word& resultName
)
:
fvMeshFunctionObject(name, runTime, dict),
fieldNames_(fieldNames),
resultName_(resultName)
{
read(dict);
if (fieldNames_.size() < 2)
{
FatalIOErrorInFunction(dict)
<< "functionObject::" << type() << " " << name
<< " requires at least 2 fields only "
<< fieldNames_.size() << " provided: " << fieldNames_
<< exit(FatalIOError);
}
}
// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
Foam::functionObjects::fieldsExpression::~fieldsExpression()
{}
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
bool Foam::functionObjects::fieldsExpression::read(const dictionary& dict)
{
fvMeshFunctionObject::read(dict);
if (fieldNames_.empty() || dict.found("fields"))
{
dict.lookup("fields") >> fieldNames_;
}
if (dict.found("result"))
{
dict.lookup("result") >> resultName_;
}
return true;
}
bool Foam::functionObjects::fieldsExpression::execute()
{
if (!calc())
{
Warning
<< " functionObjects::" << type() << " " << name()
<< " cannot find required fields " << fieldNames_ << endl;
// Clear the result fields from the objectRegistry if present
clear();
return false;
}
else
{
return true;
}
}
bool Foam::functionObjects::fieldsExpression::write()
{
return writeObject(resultName_);
}
bool Foam::functionObjects::fieldsExpression::clear()
{
return clearObject(resultName_);
}
// ************************************************************************* //
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