6 | What are the main benefits of using ObjectDB? ObjectDB is especially designed to store and manage graphs of objects efficiently. That can accelerate |
6 | ObjectDB - Object Database for Java (JPA/JDO)Boost your application database performance. Database performance is critical as it is the bottleneck in most applications. ObjectDB is extremely fast and much faster than any other JPA solution. Using a relational database management system (RDBMS) to store and retrieve Java objects requires slow |
6 | 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: |
6 | JPA MiscellaneousThis section contains miscellaneous JPA types. The PersistenceUtil and PersistenceUnitUtil interfaces provide general utility methods: The Cache interface and the CacheRetrieveMode and CacheStoreMode enum types serve in managing the EntityManagerFactory's shared (level 2) cache: Other enum types are provided for setting of various JPA operations: |
6 | Obtaining a JPA Database Connection that modify the database content, such as persist and remove. Database updates are collected and managed |
6 | JPA Query API yet and the Country class is unknown as a managed entity class - only the TypedQuery variant is valid |
1 | Step 2: Entity Class and Persistence Unit. The next step is adding a Spring DAO Component class that will manage Guest entity objects. |
1 | Step 2: Entity Class and Persistence Unit is adding a Spring DAO Component class that will manage Guest entity objects. |
1 | Step 2: Define a JPA Entity Class. The next step is adding a context listener class that will manage a JPA's EntityManagerFactory representing the ObjectDB database. |
1 | Step 3: Define a Spring DAO Component Framework. For instance, in this example the Spring container: Manages the instantiation of the DAO |
