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/*
* Copyright (C) 2016 Canonical, Ltd.
*
* This program 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; version 3.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*
* Authored by: Thomas Voß <thomas.voss@canonical.com>
*
*/
#ifndef BIOMETRY_IDENTIFIER_H_
#define BIOMETRY_IDENTIFIER_H_
#include <biometry/do_not_copy_or_move.h>
#include <biometry/operation.h>
#include <biometry/progress.h>
#include <biometry/user.h>
#include <set>
namespace biometry
{
/// @cond
class Application;
class Reason;
class User;
/// @endcond
/// @brief Verification bundles the types passed to an observer of verification operations.
struct BIOMETRY_DLL_PUBLIC Identification
{
typedef biometry::Progress Progress; ///< Progress information about the completion status of an operation.
typedef std::string Reason; ///< Details about cancelation of an operation.
typedef std::string Error; ///< Describes error conditions.
typedef User Result; ///< Describes the result of an identification operation.
};
/// @brief Verifier abstracts verification of a user.
class BIOMETRY_DLL_PUBLIC Identifier : private DoNotCopyOrMove
{
public:
// Safe us some typing
typedef std::shared_ptr<Identifier> Ptr;
/// @brief identify_user returns an operation that represents the identification of a user given a set of candidates with the given reason.
virtual Operation<Identification>::Ptr identify_user(const Application& app, const Reason& reason) = 0;
protected:
/// @cond
Identifier() = default;
/// @endcond
};
}
#endif // BIOMETRY_IDENTIFIER_H_
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