February 2015
Intermediate to advanced
198 pages
4h 17m
English
Content preview from Spring Integration EssentialsBecome 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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Filters
Message filters are Spring Integration components, which act as an interceptor and decide whether to pass on the message to the next channel/component or drop it. Unlike routers, which decide what should be the next channel for a message, filters only take a boolean decision—whether to pass or not. There are two ways to define a message filter in Spring Integration:
- Write a simple Java class and designate its method that will take decisions whether to pass the message or not
- Configure it as a message endpoint that delegates to an implementation of the
MessageSelectorinterface
This can be configured either in XML or annotations can be used.
Using a Java class to act as a filter
Let's take an example of using a simple Java class as a filter—this ...
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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.