[英]Using result from inner grain in Orleans
I am trying to understand how Grains work in Orleans. 我试图了解谷物在奥尔良的工作方式。 My program will stall when I try to use the result from an inner grain in an outer Grain.
当我尝试使用外部Grain中的内部Grain的结果时,程序将停顿。
Will the inner grain be blocked by the context of my outer grain, so I can never get the result from an inner grain? 内层纹理是否会被外层纹理的上下文所阻挡,所以我永远无法从内层纹理得到结果?
public class OuterGrain : Grain, IOuterGrain
{
public Task<string> GetFormattedTime()
{
var innerGrain = GrainFactory.GetGrain<IInnerGrain>(1);
var innerGrainTask = innerGrain.GetCurrentTime();
return Task.FromResult(innerGrainTask.Result.ToString("yy-MM-dd"));
}
}
public class InnerGrain : Grain, IInnerGrain
{
public Task<DateTime> GetCurrentTime()
{
return Task.FromResult(DateTime.Now);
}
}
Use the corrent async/await pattern, never use the blocking .Result
or .Wait()
methods in an async method (that returns Task
or Task<>
) 使用当前的异步/等待模式,切勿在异步方法(返回
Task
或Task<>
)中使用阻塞的.Result
或.Wait()
方法。
public class OuterGrain : Grain, IOuterGrain
{
public async Task<string> GetFormattedTime()
{
var innerGrain = GrainFactory.GetGrain<IInnerGrain>(1);
var innerGrainResult = await innerGrain.GetCurrentTime();
return innerGrainResult.ToString("yy-MM-dd");
}
}
public class InnerGrain : Grain, IInnerGrain
{
public Task<DateTime> GetCurrentTime()
{
return Task.FromResult(DateTime.Now);
}
}
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