December 2013
Intermediate to advanced
424 pages
9h 7m
English
Content preview from Apache Camel Developer's CookbookBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Splitting messages and re-aggregating them using different criteria
The process described in the Splitting a message, and processing and gathering responses recipe broke up a message into fragments and aggregated those same processed fragments back into a result message that flowed out of a split block.
This recipe, which is a variant of the Composed Message Processor EIP, will describe how a message can be split up and aggregated, using criteria other than the original message ID. The aggregation phase may yield one or more aggregated messages.
In this example, we are going to accept, as input, XML messages that list books with titles and categories:
<books> <book category="Tech" title="Apache Camel Developer's Cookbook"/> <book category="Cooking" ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.