February 2015
Intermediate to advanced
198 pages
4h 17m
English
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Chaining handlers
We have discussed quite a lot of handlers provided by Spring Integration as filters, transformers, service activators, and so on, which can be independently applied on to the message—Spring Integration further provides a mechanism to chain these handlers. A special implementation of MessageHandler is MessageHandlerChain, can be configured as a single message endpoint. It is a chain of other handlers, and a message received simply delegates it to the configured handlers in a predefined sequence. Let's take an example:
<int:chain input-channel="cahinedInputFeedChannel" output-channel="logChannel"> input-channel="cahinedInputFeedChannel" output-channel="logChannel"> <int:filter ref="filterSoFeedBean" method="filterFeed" throw-exception-on-rejection="true"/> ...
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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.