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Tag Archives: JPA
Inject your JPA EntityManager The dependency injection in Eclipse 4 is really nice. However you cannot inject your EntityManager like in JavaEE6. Until now. The Gemini JPA project provides an OSGi service implementation for EntityManagers and EntityManagerFactories. A set of … Continue reading
Using JPA on the Google AppEngine is straight forward. For some reason the documentation on the official Google App Engine side is not very easy to read therefore a little example here. Create a new web project “de.vogella.gae.persistence.jpa”. Change the … Continue reading
Google App Engine for Java permits three ways of storing your data: JDO, JPA and the low-level API. All data is ultimately stored in Bigtable. This blog post will give a little example how you can store data via the … Continue reading