http://gen5.info/q/2008/05/02/how-asynchronous-execution-works-in-rias/ Towards Intelligent Systems Wed, 11 Jul 2012 12:59:08 +0000 hourly 1 http://wordpress.org/?v=3.0.3 http://gen5.info/q/2008/05/02/how-asynchronous-execution-works-in-rias/comment-page-1/#comment-459 Generation 5 » Keeping Track Of State In Asynchronous Callbacks Mon, 02 Jun 2008 17:13:47 +0000 http://gen5.info/q/2008/05/02/how-asynchronous-execution-works-in-rias/#comment-459 [...] Functions (or Methods) are always attached to a class in C# and Java: thus, the state of a callback function can be kept in either static or instance variables of the associated class. I don’t advise using static variables for this, because it’s possible for more than one asynchronous request to be flight at a time: if two request store state in the same variables, you’ll introduce race conditions that will cause a world of pain. (see how race conditions arise in asynchronous communications.) [...] [...] Functions (or Methods) are always attached to a class in C# and Java: thus, the state of a callback function can be kept in either static or instance variables of the associated class. I don’t advise using static variables for this, because it’s possible for more than one asynchronous request to be flight at a time: if two request store state in the same variables, you’ll introduce race conditions that will cause a world of pain. (see how race conditions arise in asynchronous communications.) [...]

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