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Oracle SOA Suite 11g R1 Developer's Guide

You're reading from   Oracle SOA Suite 11g R1 Developer's Guide Service-Oriented Architecture (SOA) is made easily accessible thanks to this comprehensive guide. With a logically structured approach, it gives you the expertise to start using the Oracle SOA suite in real-world applications.

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Product type Paperback
Published in Jul 2010
Publisher Packt
ISBN-13 9781849680189
Length 720 pages
Edition 1st Edition
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Toc

Chapter 13. Building Validation into Services

Once we have divided our solution into a number of composite components, one of the next questions we are typically faced with is:

"Where should I put my validation and how should I implement it?"

At first glance, this may seem like an obvious question, but once you consider that a composite may be made up of other services, which in turn could be made up of other services and so on; it becomes clear that you could potentially end up implementing the same validation in every level.

Apart from the obvious performance implications, you also have the issue of having to implement and maintain the same validation at multiple points within the solution.

When you get down to an individual composite, you still have to consider, where in the service to place the validation and how best to implement it. Particularly, if you want the flexibility to be able to change the validation within a service without having to re-deploy it.

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