mysql-server/libs/mysql/serialization/field_functor.h
2025-03-05 14:31:37 +07:00

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// Copyright (c) 2023, 2024, Oracle and/or its affiliates.
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License, version 2.0,
// as published by the Free Software Foundation.
//
// This program is designed to work with certain software (including
// but not limited to OpenSSL) that is licensed under separate terms,
// as designated in a particular file or component or in included license
// documentation. The authors of MySQL hereby grant you an additional
// permission to link the program and your derivative works with the
// separately licensed software that they have either included with
// the program or referenced in the documentation.
//
// 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 General Public License, version 2.0, for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
#ifndef MYSQL_SERIALIZATION_FIELD_FUNCTOR_H
#define MYSQL_SERIALIZATION_FIELD_FUNCTOR_H
#include <assert.h>
#include <functional>
/// @file
/// Experimental API header
/// @addtogroup GroupLibsMysqlSerialization
/// @{
namespace mysql::serialization {
using Field_decode_functor_type = std::function<void(void)>;
using Field_encode_functor_type = std::function<bool(void)>;
/// @brief Type of the predicate telling serializer what to do in case field
/// is not provided. Applicable to optional and required fields
using Field_missing_functor = Field_decode_functor_type;
/// @brief Type of the predicate telling serializer whether field is provided
/// or not. Applicable only to optional fields
using Field_encode_predicate = Field_encode_functor_type;
} // namespace mysql::serialization
/// @}
#endif // MYSQL_SERIALIZATION_FIELD_FUNCTOR_H