O'Reilly logo

Apache Karaf Cookbook by Heath Kesler, Johan Edstrom, Jamie Goodyear, Achim Nierbeck

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Building a project with a persistence layer for deployment in Karaf

Application developers often need to make use of a persistence layer in their projects; one of the preferred methodologies to perform this in Karaf is to make use of the Java Persistence API. As we are building on the existing JPA project, we will try and set up a new service layer and reuse (copy) the same project model while moving over the storage backend to Apache Cassandra. This is not a complete refactoring nor a reuse of code. Technically, we could have moved the API parts from Chapter 7, Providing a Persistence Layer with Apache Aries and OpenJPA, into a new module and then refactored the chapter to have the Cassandra-related dependencies and a slightly different set of ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required