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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Using a Java method as a Predicate
Camel makes it very easy to call out to some existing Java code to act as a predicate when you are using an Enterprise Integration Pattern (EIP) such as Content Based Router or Filter. Any EIPs that require a Camel Predicate can use the Bean Expression Language to call any Java method that evaluates to a boolean value. Remember that a Camel Predicate is any Camel Expression that evaluates to a boolean value (true or false). This allows you to integrate complex decision making from your existing Java code into your routing logic.
This recipe shows you how to use any of your Java methods that returns a boolean value wherever Camel expects a predicate.
Getting ready
The Java code for this recipe is located in the ...
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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.