December 2008
Intermediate to advanced
744 pages
18h 13m
English
book
EMF: Eclipse Modeling Framework Second Edition
by Dave Steinberg, Frank Budinsky, Marcelo Paternostro, Ed Merks
Content preview from EMF: Eclipse Modeling Framework Second EditionBecome 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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Chapter 5. Ecore Modeling Concepts
When we create an Ecore model—whether directly or from annotated Java, UML, XML Schema, or some other source—we are defining the structure of a series of instances of that model. That is, we are specifying the types of objects that make up instances of that model, the data they contain, and the relationships between them. For example, the PrimerPO model of the previous chapter defined the structure for objects that represent purchase orders.
As we first discussed in Chapter 2, the Ecore metamodel defines the structure of the objects in an Ecore model. Modelers use the term “metamodel” for this kind of model, which, in a sense, defines a language that its instances use to describe other things.
Most of the modeling ...
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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.
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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.