/usr/include/dolfin/common/UniqueIdGenerator.h is in libdolfin-dev 1.4.0+dfsg-4.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 | // Copyright (C) 2010 Garth N. Wells
//
// This file is part of DOLFIN.
//
// DOLFIN is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// DOLFIN 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with DOLFIN. If not, see <http://www.gnu.org/licenses/>.
//
// First added: 2010-12-05
// Last changed:
#ifndef __UNIQUE_ID_GENERATOR_H
#define __UNIQUE_ID_GENERATOR_H
#include <cstddef>
namespace dolfin
{
// FIXME: Make a base class that classes can inherit from
/// This is a singleton class that return IDs that are unique in the
/// lifetime of a program.
class UniqueIdGenerator
{
public:
UniqueIdGenerator();
/// Generate a unique ID
static std::size_t id();
private:
// Singleton instance
static UniqueIdGenerator unique_id_generator;
// Next ID to be returned
std::size_t next_id;
};
}
#endif
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