# Copyright (C) 2018 MongoDB Inc.
#
# This program is free software: you can redistribute it and/or  modify

#    Copyright (C) 2018-present MongoDB, Inc.
#
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the Server Side Public License, version 1,
#    as published by MongoDB, Inc.
#
#    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
#    Server Side Public License for more details.
#
#    You should have received a copy of the Server Side Public License
#    along with this program. If not, see
#    <http://www.mongodb.com/licensing/server-side-public-license>.
#
#    As a special exception, the copyright holders give permission to link the
#    code of portions of this program with the OpenSSL library under certain
#    conditions as described in each individual source file and distribute
#    linked combinations including the program with the OpenSSL library. You
#    must comply with the Server Side Public License in all respects for
#    all of the code used other than as permitted herein. If you modify file(s)
#    with this exception, you may extend this exception to your version of the
#    file(s), but you are not obligated to do so. If you do not wish to do so,
#    delete this exception statement from your version. If you delete this
#    exception statement from all source files in the program, then also delete
#    it in the license file.
#

# DatabaseVersion type

global:
    cpp_namespace: "mongo"

imports:
    - "mongo/idl/basic_types.idl"

structs:
    DatabaseVersion:
        description: "A (UUID, int) pair that uniquely identifies an incarnation of a database in a cluster and reflects changes to the database's primary shard"
        # The generated comparison operators will do a field-wise lexicographic comparison, which
        # doesn't work because it's nonsensical to lexicographically compare UUIDs.
        generate_comparison_operators: false
        strict: true
        fields:
            uuid:
                type: uuid
                description: "a unique identifier to distinguish different incarnations of this database"
            lastMod:
                type: int
                description: "an integer which is bumped whenever the database's primary shard changes"