What happens to the user dictionary when coalescing notifications in NSNotificationQueue?
What happens to the user dictionary when coalescing notifications in NSNotificationQueue?
- Subject: What happens to the user dictionary when coalescing notifications in NSNotificationQueue?
- From: "Karan, Cem (Civ, ARL/CISD)" <email@hidden>
- Date: Thu, 25 Sep 2008 16:07:20 -0400
- Thread-topic: What happens to the user dictionary when coalescing notifications in NSNotificationQueue?
I've got a class that acts like a super-lightweight server within my program. It listens for incoming packets of information, decodes them, and then tells the rest of my code that something changed. So far, this sounds like a job for NSNotificationCenter, except that I'm getting the packets by UDP, and don't want to tell all the listeners about every single update that happens; it would be better to coalesce them into one notification and notify them when the run loop is idle. OK, so this sounds perfect for NSNotificationQueue with (NSNoticationCoalescingOnName|NSNotificationCoalescingOnSender) as the options. The problem is that I want to send all the data along in the user dictionary. How is that coalesced? Note that I want ALL the data I'm putting in the dictionary, not just the last user dict.
Thanks,
Cem Karan
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