objectRegistryFunctionObject.H

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/*---------------------------------------------------------------------------*\
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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::functionObjects::objectRegistryFunctionObject
 
Description
    Specialisation of Foam::functionObject which holds a reference to an object
    registry. Provides a number of functions for caching and accessing objects
    from the registry.
 
See also
    Foam::functionObject
 
SourceFiles
    objectRegistryFunctionObject.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef objectRegistryFunctionObject_functionObject_H
#define objectRegistryFunctionObject_functionObject_H
 
#include "functionObject.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
// Forward declaration of classes
class objectRegistry;
 
namespace functionObjects
{
 
/*---------------------------------------------------------------------------*\
                  Class objectRegistryFunctionObject Declaration
\*---------------------------------------------------------------------------*/
 
class objectRegistryFunctionObject
:
    public functionObject
{
 
protected:
 
    // Protected member data
 
        //- Reference to the objectRegistry
        const objectRegistry& obr_;
 
 
    // Protected member functions
 
        //- Find field in the objectRegistry
        template<class ObjectType>
        bool foundObject(const word& fieldName) const;
 
        //- Prints a warning message that fieldName cannot be found
        template<class ObjectType>
        void cannotFindObject(const word& fieldName);
 
        //- Prints a warning message that fieldName cannot be found
        void cannotFindObject(const word& fieldName);
 
        //- Prints a warning message that fieldNames cannot be found
        void cannotFindObjects(const wordList& fieldNames);
 
        //- Lookup object from the objectRegistry
        template<class ObjectType>
        const ObjectType& lookupObject(const word& fieldName) const;
 
        //- Lookup non-const object reference from the objectRegistry
        template<class ObjectType>
        ObjectType& lookupObjectRef(const word& fieldName);
 
        //- Store the given field in the objectRegistry
        template<class ObjectType>
        ObjectType& store(const tmp<ObjectType>& tfield);
 
        //- Store the given field in the objectRegistry under the given name
        template<class ObjectType>
        ObjectType& store
        (
            const word& fieldName,
            const tmp<ObjectType>& tfield,
            bool cacheable = false
        );
 
        //- Write field if present in objectRegistry
        bool writeObject(const word& fieldName);
 
        //- Clear field from the objectRegistry if present
        bool clearObject(const word& fieldName);
 
 
public:
 
    //- Runtime type information
    TypeName("objectRegistryFunctionObject");
 
 
    // Constructors
 
        //- Construct from an objectRegistry and dictionary
        objectRegistryFunctionObject
        (
            const word& name,
            const objectRegistry& obr,
            const dictionary& dict
        );
 
        //- Construct from an objectRegistry
        objectRegistryFunctionObject
        (
            const word& name,
            const objectRegistry& obr
        );
 
        //- Disallow default bitwise copy construction
        objectRegistryFunctionObject
        (
            const objectRegistryFunctionObject&
        ) = delete;
 
 
    //- Destructor
    virtual ~objectRegistryFunctionObject();
 
 
    // Member Functions
 
        //- Read optional controls
        virtual bool read(const dictionary&);
 
 
    // Member Operators
 
        //- Disallow default bitwise assignment
        void operator=(const objectRegistryFunctionObject&) = delete;
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace functionObjects
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#ifdef NoRepository
    #include "objectRegistryFunctionObjectTemplates.C"
#endif
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //