我正在将内部身份验证服务与MembershipProvider集成。自定义提供商:
public override MembershipUser CreateUser(
string username,
string password,
string email,
string passwordQuestion,
string passwordAnswer,
bool isApproved,
object providerUserKey,
out MembershipCreateStatus status)
{
//var res = client.Register(username, password, email);
//status = MembershipCreateStatus.Success; // conver to Mem
return null;
问题出在客户端。 如何将一项任务转换为另一项?
public async Task<MembershipUser> Register(string username, string password, string email, bool isStaff=false)
{
var task = serviceFoo.Register(username, password, email, isStaff);
// TODO Task<RegisteredUser> -> Task<MembershipUser>
//var convertedTask = task.
//return new Task<MembershipUser>();
}
我想:
我会为RegUser写一个扩展方法进行对话,但我不知道如何异步转换任务。
答案 0 :(得分:4)
看起来您实际上想要从Task<RegisteredUser>
转换为Task<MembershipUser>
,您想要从RegisteredUser
转换为MembershipUser
,假设您拥有你提到的转换扩展方法,只需这样做:
public async Task<MembershipUser> Register(string username, string password, string email, bool isStaff=false)
{
var user = await serviceFoo.Register(username, password, email, isStaff);// user is RegisteredUser
return user.ConvertTomembershipUser();
}
答案 1 :(得分:1)
任务没有内置构图功能。幸运的是,实施
是微不足道的public static async Task<TResult> flatmap<TSource, TResult>(this Task<TSource> src, Func<TSource, Task<TResult>> f) {
return await f(await src);
}
public static async Task<TResult> map<TSource, TResult>(this Task<TSource> src, Func<TSource, TResult> f) {
return f(await src);
}