122 | Closed EntityManagerFactory after upgrading glassfish 3.1.1 to 3.1.2 from a closed EntityManagerFactory at com.objectdb.o._PersistenceException.b(_PersistenceException ... a connection from a closed EntityManagerFactory at com.objectdb.o.MSG.d(MSG.java:61) at com |
22 | Chapter 3 - Using JPAExplains how to store, retrieve, update and delete entity objects using JPA. |
22 | JPA Reference (JavaDoc)Java/JPA API Reference (based on the JPA 3 JavaDoc) |
14 | Database Replication and Clustering, the master database can be accessed ordinarily as follows: EntityManagerFactory emf = Persistence ... different URL is required in order to access the slave database: EntityManagerFactory emf = Persistence ... can also be used: EntityManagerFactory emf = Persistence.createEntityManagerFactory( "objectdb |
11 | Locking in JPA> For an EntityManagerFactory - using the createEntityManagerFacotory method: Map<String,Object ... ); EntityManagerFactory emf = Persistence.createEntityManagerFactory("pu", properties); For an EntityManager |
11 | ObjectDB Object Database Features. Connection Pooling Automatic connection pool managed by EntityManagerFactory. Configurable - minimum/maximum ... cache (per EntityManagerFactory). Database file page cache. Query program cache (for repeating |
11 | JPA Persistence Unit to instantiate an EntityManagerFactory in JPA (as explained in the JPA Overview section) requires ... an EntityManagerFactory. It may also have optional sub elements: The provider element indicates |
11 | Setting and Tuning of JPA Queries> For an EntityManagerFactory - using the createEntityManagerFacotory method: Map<String,Object> properties = new HashMap(); properties.put("javax.persistence.query.timeout", 4000); EntityManagerFactory emf |
2 | Step 4: Add a Servlet Class, IOException { // Obtain a database connection: EntityManagerFactory emf = (EntityManagerFactory)getServletContext().getAttribute("emf"); EntityManager em ... performs the following operations on every http request: The EntityManagerFactory is retrieved from |
2 | Step 4: Add a Servlet Class: EntityManagerFactory emf = (EntityManagerFactory)getServletContext ... : The EntityManagerFactory is retrieved from the application scope attribute, and then an EntityManager |
