December 2013
Beginner to intermediate
222 pages
5h 13m
English
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Grails Service Classes
We’re going to write a method that will create several Task instances and add them to the tasks property of a newly created TekEvent. We will define this method in a service class. A Grails service class is a Plain Old Groovy Object (POGO) located in the grails-app/services directory and with a name ending in Service. By following these conventions, this plain old Groovy object will be endowed with magical powers.
Service classes are a great way to keep extra code out of our controllers. When we have application logic that doesn’t fit well in any domain class—for example, logic that involves multiple domain classes—it is tempting to add this code to the controller. Doing this can lead to bloated controllers that are ...
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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.
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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.