MySQL Cluster Connector for Java is a new feature in the upcoming Cluster 7.1.

It is an easy to use, high-performance Java and JPA interface for MySQL Cluster. We currently call it simply Cluster/J and Cluster/JPA. It is an Objection Relational bridge that maps Java classes to tables stored in MySQL Cluster, and implements an OpenJPA interface.

How does it work?

The new MySQL Cluster Connector for Java and JPA implementation consist of two parts: an OpenJPA plugin and the standalone Cluster/J API.
The standalone Cluster/J API allows you to write very simple Java programs for MySQL Cluster. A read by primary key is then as easy as

Fish e = session.find(Fish.class, 4711);

A query like the above is executed without using the MySQL Server. Cluster/J API is a native MySQL Cluster-specific API, which is a direct access path to Cluster which is very simple to …