PtrMap.H

Go to the documentation of this file.

/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | www.openfoam.com
     \\/     M anipulation  |
-------------------------------------------------------------------------------
    Copyright (C) 2011-2016 OpenFOAM Foundation
    Copyright (C) 2017-2025 OpenCFD Ltd.
-------------------------------------------------------------------------------
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::PtrMap
 
Description
    A HashTable of pointers to objects of type <T> with a label key.
 
See also
    Map, HashPtrTable
 
\*---------------------------------------------------------------------------*/
 
#ifndef Foam_PtrMap_H
#define Foam_PtrMap_H
 
#include "HashPtrTable.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
/*---------------------------------------------------------------------------*\
                           Class PtrMap Declaration
\*---------------------------------------------------------------------------*/
 
template<class T>
class PtrMap
:
    public HashPtrTable<T, label, Hash<label>>
{
public:
 
    //- The template instance used for this PtrMap
    typedef PtrMap<T> this_type;
 
    //- The template instance used for the parent HashTable
    typedef HashPtrTable<T, label, Hash<label>> parent_type;
 
 
    // Constructors
 
        //- Default construct: empty without allocation (capacity=0)
        constexpr PtrMap() noexcept = default;
 
        //- Construct empty without allocation (capacity=0)
        explicit constexpr PtrMap(Foam::zero) noexcept : this_type() {}
 
        //- Construct empty with given initial table capacity
        explicit PtrMap(const label initialCapacity)
        :
            parent_type(initialCapacity)
        {}
 
        //- Construct from Istream (with default initial table capacity)
        PtrMap(Istream& is)
        :
            parent_type(is)
        {}
 
        //- Copy construct
        PtrMap(const this_type& map)
        :
            parent_type(map)
        {}
 
        //- Move construct
        PtrMap(this_type&& map) noexcept
        :
            parent_type(std::move(map))
        {}
 
 
    // Member Operators
 
        //- Copy assignment
        void operator=(const this_type& rhs)
        {
            parent_type::operator=(rhs);
        }
 
        //- Move assignment
        void operator=(this_type&& rhs)
        {
            parent_type::operator=(std::move(rhs));
        }
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //