Question

我不太清楚如何调整this approach以生成动态计时器可观察数据。

具体而言，我有两种方法：

GetAccessToken()
RefreshAccessToken()

两者都返回OAuth2AccessTokenResponse：

public class OAuth2AccessTokenResponse
{
    private string tokenType;
    private string accessToken;
    private int expiresIn;
    private string refreshToken;
    private int refreshtokenExpiresIn;
}

因此，我需要在expiresIn属性值之前刷新当前的accessstoken，以秒为单位。

我试图采用我的方法，但是我没有能够得到任何意义：

this.accessTokenObservable = Observable
    .Generate(
        this.GetAccessToken(),
        resp => true, //?????
        resp => resp, //?????
        resp => resp, //?????
        resp => TimeSpan.FromSeconds(this.RefreshAccessToken().ExpiresIn) //?????
    );

Sequencially：

response = this.GetAccessToken()
response.ExpiresIn到期前 - ＆gt; response = this.RefreshAccessToken()
转到2.

GetAccessToken和RefreshAccessToken代码：

internal OAuth2AccessTokenResponse GetAccessToken()
{
    return new OAuth2AccessTokenResponse() {ExpiresIn = new Math.Random().Next(3,11)};
}

internal OAuth2AccessTokenResponse RefreshAccessToken()
{
    return new OAuth2AccessTokenResponse() {ExpiresIn = new Math.Random().Next(3,11)};
}

Answer 1

修复了一些编译错误之后，这似乎对我有用：

void Main()
{
    var accessTokenObservable = Observable
        .Generate(
            this.GetAccessToken(),
            atr => true,
            atr => this.RefreshAccessToken(),
            atr => atr,
            atr => TimeSpan.FromSeconds(atr.ExpiresIn)
        );

    accessTokenObservable.Subscribe(x => Console.WriteLine(x.ExpiresIn));
}

internal OAuth2AccessTokenResponse GetAccessToken()
{
    Console.WriteLine("!");
    return new OAuth2AccessTokenResponse() { ExpiresIn = rnd.Next(3, 11) };
}

internal OAuth2AccessTokenResponse RefreshAccessToken()
{
    Console.WriteLine("+");
    return new OAuth2AccessTokenResponse() { ExpiresIn = rnd.Next(3, 11) };
}

private Random rnd = new Random();

public class OAuth2AccessTokenResponse
{
    private string tokenType;
    private string accessToken;
    private int expiresIn;
    private string refreshToken;
    private int refreshtokenExpiresIn;

    public int ExpiresIn;
}

我得到这样的结果：

!
10
+
10
+
3
+
9
+

Reactive：使用observable刷新AccessToken

1 个答案: