How-To: Cloud Storage with Amazon SimpleDB

Modeling domain objects for almost any type of application is a breeze using a relational framework like Grails, but what about SimpleDB? In this introduction to SimpleDB on IBM Developer Works, Andrew Glover shows you how to use SimpleJPA, rather than the Amazon SDK, to persist objects in SimpleDB's cloud storage.

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"In the first half of this introduction to SimpleDB, I showed you how to leverage Amazon's own API to model a CRUD-style racing application. Aside from the obvious uniqueness for most Java developers of Amazon's string-only approach to data types, you might have found yourself looking at the Amazon API with some skepticism. After all, the APIs for leveraging a relational database are by now fairly standard and well-thought-out — and perhaps more important, they are familiar.

"Behind the scenes, many relational frameworks today implement the Java Persistence API. This makes modeling domain objects for almost any type of Java application both easy and familiar across the range of RDBMSs. It's natural to be resistant to learning a new approach to domain modeling when you've already mastered one that works — and the good news is that with SimpleDB, you don't have to."

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