Siena簡易Java數(shù)據(jù)持久層框架

Siena 是一個 Java 的簡易數(shù)據(jù)持久層框架，支持 Google App Engine 數(shù)據(jù)存儲。

Siena is a single API with many implementations. You can use siena with relational databases, with the Google App Engine's datastore or with Amazon's SimpleDB. There is also an implementation called siena-remote very useful if you want to use the Google App Engine's datastore remotely. Other implmenetations are planned such as: HBase, DBSLayer,...