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Sams Teach Yourself J2EE™ in 21 Days by Peter Roxburgh, Andy Longshaw, Debbie Law, Dan Haywood, Martin Bond

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Using the Common Client Interface

Up to now, today's lesson has concentrated on the system contract between an EIS and an application server. This information is important to assist your overall understanding of how Java applications interact with legacy and non-Java systems. But, as an application developer, you are probably eager to start writing code. This section of today's lesson looks at the relationship between an application component and a resource adapter. Specifically, you will learn how to code against the Common Client Interface (CCI) API.

A resource adapter provides a client API that you can code against. This client API may be an implementation of the CCI API, but the Connector architecture specification allows a resource adapter ...

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