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C#并发编程经典实例(第2版)
book

C#并发编程经典实例(第2版)

by Stephen Cleary
November 2020
Intermediate to advanced
226 pages
5h 34m
Chinese
Posts & Telecom Press
Content preview from C#并发编程经典实例(第2版)
100
8
}
catch
(Exception ex)
{
block.Fault(ex);
}
}
讨论
本节只给出了浅层的介绍,尤其要注意,
WriteToBlockAsync
扩展方法会做一些假设。请务
必考虑这些方法的行为,另外在使用之前,确保它们的行为适用于你的场景。
参阅
3.8
节探讨如何处理异步流的取消操作。
5
章探讨用于
TPL
数据流的方法。
9.8
节探讨将通道作为异步流来消耗。
8.8
 
System.Reactive
可观察对象和数据流网格
问题
假设有一部分解决方案使用了
System.Reactive
可观察对象,另一部分使用了数据流网格,
现在需要让两者交互。
System.Reactive
可观察对象与数据流网格各有千秋,但在概念方面不乏一些交集。本节会
展现它们协同工作的易用性,这样便能针对工作的每一部分采用最佳的工具。
解决方案
考虑把数据流块用作可观察流的输入。下面的示例代码创建了缓冲块(该块并不执行处
理),然后通过调用
AsObservable
从该块创建了可观察接口:
var
buffer =
new
BufferBlock<
int
>();
IObservable<
int
> integers = buffer.AsObservable();
integers.Subscribe(data => Trace.WriteLine(data),
ex => Trace.WriteLine(ex),
() => Trace.WriteLine(
"
Done"));
buffer.Post(13); ...
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Publisher Resources

ISBN: 9787115550606