August 2014
Beginner to intermediate
260 pages
5h 31m
English
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 ...