functionObjectList.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::functionObjectList
 
Description
    List of function objects with start(), execute() and end() functions
    that is called for each object.
 
See also
    Foam::functionObject
    Foam::functionObjects::timeControl
 
SourceFiles
    functionObjectList.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef functionObjectList_H
#define functionObjectList_H
 
#include "IOdictionary.H"
#include "PtrList.H"
#include "functionObject.H"
#include "SHA1Digest.H"
#include "includeFuncEntry.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
class polyTopoChangeMap;
class polyMeshMap;
class polyDistributionMap;
class argList;
 
/*---------------------------------------------------------------------------*\
                     Class functionObjectList Declaration
\*---------------------------------------------------------------------------*/
 
class functionObjectList
:
    public IOdictionary,
    private PtrList<functionObject>
{
    // Private Data
 
        //- A list of SHA1 digests for the function object dictionaries
        List<SHA1Digest> digests_;
 
        //- Quick lookup of the index into functions/digests
        HashTable<label> indices_;
 
        const Time& time_;
 
        //- Switch for the execution of the functionObjects
        bool execution_;
 
        //- Tracks if read() was called while execution is on
        bool updated_;
 
 
    // Private Member Functions
 
        //- Read the function dictionary if present
        //  otherwise read the optional functions entry in controlDict
        typeIOobject<IOdictionary> readFunctionsDict
        (
            const Time& t,
            const bool execution
        );
 
        //- Read the functions dictionary and set construct the functionObjects
        virtual bool readDict();
 
        //- Remove and return the function object pointer by name,
        //  and returns the old index via the parameter.
        //  Returns a nullptr (and index -1) if it didn't exist
        functionObject* remove(const word&, label& oldIndex);
 
 
public:
 
    // Constructors
 
        //- Construct from Time and the execution setting.
        //  The functionObject specifications are read from the controlDict
        functionObjectList
        (
            const Time& runTime,
            const bool execution=true
        );
 
        //- Disallow default bitwise copy construction
        functionObjectList(const functionObjectList&) = delete;
 
        //- Construct and return a functionObjectList for an application.
        //  If the "dict" argument is specified the functionObjectList is
        //  constructed from that dictionary which is returned as
        //  controlDict otherwise the functionObjectList is constructed
        //  from the "functions" sub-dictionary of "system/controlDict"
        static autoPtr<functionObjectList> New
        (
            const argList& args,
            const Time& runTime
        );
 
 
    //- Destructor
    virtual ~functionObjectList();
 
 
    // Member Functions
 
        //- Return the number of elements in the List.
        using PtrList<functionObject>::size;
 
        //- Return true if the List is empty (ie, size() is zero).
        using PtrList<functionObject>::empty;
 
        //- Access to the functionObjects
        using PtrList<functionObject>::operator[];
 
        //- Allow addition of functionObjects to list
        using PtrList<functionObject>::append;
 
        //- Clear the list of function objects
        void clear();
 
        //- Find the ID of a given function object by name
        label findObjectID(const word& name) const;
 
        //- Read and set the function objects if their data have changed
        virtual bool read();
 
        //- Called at the start of the time-loop
        bool start();
 
        //- Called at each ++ or += of the time-loop.
        //  foamPostProcess overrides the usual executeControl behaviour and
        //  forces execution (used in post-processing mode)
        bool execute();
 
        //- Called when Time::run() determines that the time-loop exits
        bool end();
 
        //- Return the time to the next write
        scalar timeToNextAction();
 
        //- Return the maximum time-step for stable operation
        virtual scalar maxDeltaT() const;
 
        //- Update topology using the given map
        virtual void movePoints(const polyMesh& mesh);
 
        //- Update topology using the given map
        virtual void topoChange(const polyTopoChangeMap& map);
 
        //- Update from another mesh using the given map
        virtual void mapMesh(const polyMeshMap&);
 
        //- Redistribute or update using the given distribution map
        virtual void distribute(const polyDistributionMap&);
 
 
    // Member Operators
 
        //- Disallow default bitwise assignment
        void operator=(const functionObjectList&) = delete;
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //