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We're Moving to Github!

The code is already there, please start new issues there, and we'll start moving documentation too.

https://github.com/appoxy/simplejpa


SimpleJPA is a Java Persistence API (JPA) implementation for Amazon's SimpleDB. In other words, an object-relational mapping (ORM) framework for Amazon's database in the cloud.

Features

  • Supports ManyToOne references with lazy loading
  • Supports OneToMany collections with lazy loading
  • Large object (LOB) support via Amazon S3
  • Caches objects for quick response after first retrieval - see SecondLevelCache
  • Retrieves result sets concurrently for fastest retrieval from SimpleDB
  • JPA Queries (subset)

See more of WhatsSupported

Getting Started

See GettingStarted

What's New?

Caveat

Due to the nature of SimpleDB, SimpleJPA is a subset of the features of the full JPA spec and may never become a full implementation. SimpleDB is not your dad's relational database. Then why base this on JPA you might ask? Because JPA is a very nice, well thought out specification that is based on real world use (ie: Hibernate). Most importantly are the JPA annotations that make defining persistence on your objects easy.

Links

Check out SimpleJPA's sister projects, KittyCache, a tiny in memory cache and BigCache, an infinite size cache using Amazon S3.

Also check out our sponsor Appoxy, that can help you with all your SimpleDB needs.

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