Program guide > Access data with client applications > Cache objects and their relationships (EntityManager API)
Entity manager tutorial: Overview
The tutorial for the entity manager shows you how to use WebSphere eXtreme Scale to store order information on a Web site. You can create a simple Java™ Platform, Standard Edition 5 application that uses an in-memory, local eXtreme Scale. The entities use Java SE 5 annotations and generics.
Before you beginEnsure that you have met the following requirements before you begin the tutorial:
- You must have Java SE 5.
- You must have the objectgrid.jar file in the classpath.
Parent topic:Cache objects and their relationships (EntityManager API)
EntityManager in a distributed environment
Interacting with EntityManager
EntityManager fetch plan support
EntityManager interface performance impact
Entity query queues
Define an entity schema