1#region Copyright notice and license
2// Protocol Buffers - Google's data interchange format
3// Copyright 2008 Google Inc.  All rights reserved.
4// https://developers.google.com/protocol-buffers/
5//
6// Redistribution and use in source and binary forms, with or without
7// modification, are permitted provided that the following conditions are
8// met:
9//
10//     * Redistributions of source code must retain the above copyright
11// notice, this list of conditions and the following disclaimer.
12//     * Redistributions in binary form must reproduce the above
13// copyright notice, this list of conditions and the following disclaimer
14// in the documentation and/or other materials provided with the
15// distribution.
16//     * Neither the name of Google Inc. nor the names of its
17// contributors may be used to endorse or promote products derived from
18// this software without specific prior written permission.
19//
20// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31#endregion
32
33using System;
34
35namespace Google.Protobuf.Reflection
36{
37    /// <summary>
38    /// Specifies the original name (in the .proto file) of a named element,
39    /// such as an enum value.
40    /// </summary>
41    [AttributeUsage(AttributeTargets.Field)]
42    public class OriginalNameAttribute : Attribute
43    {
44        /// <summary>
45        /// The name of the element in the .proto file.
46        /// </summary>
47        public string Name { get; set; }
48
49        /// <summary>
50        /// If the name is preferred in the .proto file.
51        /// </summary>
52        public bool PreferredAlias { get; set; }
53
54        /// <summary>
55        /// Constructs a new attribute instance for the given name.
56        /// </summary>
57        /// <param name="name">The name of the element in the .proto file.</param>
58        public OriginalNameAttribute(string name)
59        {
60            Name = ProtoPreconditions.CheckNotNull(name, nameof(name));
61            PreferredAlias = true;
62        }
63
64    }
65}
66