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IBM WebSphere eXtreme Scale 6 by Anthony Chaves

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Summary

We've covered a lot of ground in this chapter. We've seen parts of the Entity and Query APIs that should give us an idea of how they are used, rather than a boring trip down the API documentation. Working with Entities gives us a few advantages over the ObjectMap API. Our applications don't need to keep track of the relationships between objects, like we would need to do, if we stick to the ObjectMap API. We have the convenience of working with relationships between objects, and not IDs for foreign keys like we have with databases. Registering Entity classes is easy. As we'll see in the next few chapters, we can also perform the same registering and configuration by using XML, in case we need to leave out the annotations. We learned about ...

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