Tag Archives: JPA

Inject your JPA EntityManager into an Eclipse RCP application – Guest post by Nepomuk Seiler

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

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Google App Engine and JPA

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

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Google App Engine – Low level API for storing objects

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

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