我的C#项目中有如下源代码,用mongocsharpdriver 1.8.3版本可以成功构建。但是当我将MongoDB C#驱动升级到2.0.1后,编译失败,提示找不到IBsonSerializationOptions
和DateTimeSerializationOptions
类(接口(interface)),我也检查了程序集中的所有命名空间,似乎这些类型已从最新版本的 MongoDB C# 驱动程序中删除。
public void Apply(BsonMemberMap memberMap)
{
IBsonSerializationOptions options = null;
switch (memberMap.MemberInfo.MemberType)
{
case MemberTypes.Property:
PropertyInfo propertyInfo = (PropertyInfo)memberMap.MemberInfo;
if (propertyInfo.PropertyType == typeof(DateTime) ||
propertyInfo.PropertyType == typeof(DateTime?))
options = new DateTimeSerializationOptions(DateTimeKind.Local);
break;
case MemberTypes.Field:
FieldInfo fieldInfo = (FieldInfo)memberMap.MemberInfo;
if (fieldInfo.FieldType == typeof(DateTime) ||
fieldInfo.FieldType == typeof(DateTime?))
options = new DateTimeSerializationOptions(DateTimeKind.Local);
break;
default:
break;
}
memberMap.SetSerializationOptions(options);
}
我的问题是,在最新版本的 MongoDB C# 驱动程序中,这些类型的等价物是什么?
最佳答案
在 C# Driver 2.0 中你需要实现 IBsonSerializer
public class LocalTimeSerializer : IBsonSerializer
{
public object Deserialize(BsonDeserializationContext context, BsonDeserializationArgs args)
{
return context.Reader.ReadDateTime();
}
public void Serialize(BsonSerializationContext context, BsonSerializationArgs args, object value)
{
context.Writer.WriteDateTime(((DateTime)value).ToLocalTime().Ticks);
}
public Type ValueType { get { return typeof(DateTime); } }
}
你应该注册序列化器
BsonSerializer.RegisterSerializer(typeof(DateTime), new LocalTimeSerializer());
关于c# - IBsonSerializationOptions 是否已从 MongoDB 的最新 C# 驱动程序中删除?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/31178359/