请看下面这个简单的程序(基于protobuf-net项目v1维基上的示例):
第二个断言失败了。这是protobuf-net实现中的一个bug还是协议缓冲区根本不支持具有共享引用的对象图?谢谢。
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using ProtoBuf;
namespace HelloProtoBuf
{
[ProtoContract]
class Person
{
[ProtoMember(1)]
public int Id { get; set; }
[ProtoMember(2)]
public string Name { get; set; }
[ProtoMember(3)]
public Address Address { get; set; }
}
[ProtoContract]
class Address
{
[ProtoMember(1)]
public string Line1 { get; set; }
[ProtoMember(2)]
public string Line2 { get; set; }
}
class Program
{
static void Main(string[] args)
{
var person = new Person
{
Id = 12345,
Name = "Fred",
Address = new Address
{
Line1 = "Flat 1",
Line2 = "The Meadows"
}
};
var person2 = new Person
{
Id = 4553,
Name = "Nadya",
Address = person.Address
};
var persons = new List<Person> { person, person2 };
Debug.Assert(ReferenceEquals(persons[0].Address, persons[1].Address));
using (var file = File.Create("persons.bin"))
{
Serializer.Serialize(file, persons);
}
List<Person> persons2;
using (var file = File.OpenRead("persons.bin"))
{
persons2 = Serializer.Deserialize<List<Person>>(file);
}
Debug.Assert(ReferenceEquals(persons2[0].Address, persons2[1].Address));
}
}
}
第二个断言失败了。这是protobuf-net实现中的一个bug还是协议缓冲区根本不支持具有共享引用的对象图?谢谢。
yourMetaType[3].AsReference = true;
,其中3
是字段编号(在 DCS 术语中为Order=3
)。 - Marc Gravell