January 2003
Beginner
240 pages
6h 9m
English
book
Service- and Component-based Development: Using Select Perspective™ and UML
by Hedley Apperly, Ralph Hofman, Steve Latchem, Barry Maybank, Barry McGibbon, David Piper, Chris Simons
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Design by contract
Design by contract [Meyer] describes the responsibilities of the calling and called components, by describing the preconditions, post-conditions, and parameters for each service invocation. This is the most important aspect of documenting a component, so that it can be easily used and reused.
Preconditions express the constraints for a service to operate properly, and the post-conditions express the state of the component after the service has been invoked successfully. This then defines the benefits and obligations for the supplier and consumer of the service: the contract. If the obligations are not fulfiled, then the contract has been broken.
During design of a component or service, the preconditions and post-conditions ...
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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.