3 | JPA Reference (JavaDoc) into the following sections: The purpose of these documentation pages is to serve as a reference. In |
3 | Retrieving JPA Entity Objects extreme situations this might cause the retrieval of the entire database into the memory |
3 | JPA Named Queries dynamically into the query string and results in more efficient queries. @NamedQuery |
3 | DELETE Queries in JPA/JPQLAs explained in chapter 2, entity objects can be deleted from the database by: Retrieving the entity objects into an EntityManager. Removing these objects from the EntityManager within an active transaction, either explicitly by calling the remove method or implicitly by a cascading operation |
3 | JPA Annotations for Java EEThe following JPA annotations are in use to integrate JPA into a Java EE application and are managed by the Java EE container: |
3 | What's next?This chapter introduced the basic principles of JPA using ObjectDB. You can go into details by reading the other chapters of this manual. If you prefer to get started with ObjectDB right away you can follow one of the following tutorials to create and run the example program that was described in |
0 | Java EE 6 JPA Tutorial - Eclipse Project only if Maven Integration for WTP is installed when the Maven project is imported into the IDE). Choose |
0 | Spring MVC JPA Tutorial - Eclipse Project Integration for WTP is installed when the Maven project is imported into the IDE). Choose or define |
0 | Step 4: Add a Controller Class is automatically constructed and injected by Spring into the guestDao field (because it is annotated |
0 | JDO AnnotationsJDO defines dozens of annotations that can be divided into the following groups: |
