20 | CRUD Operations with JPAExplains how to use JPA for CRUD database operations (persist, retrieve, update, remove). |
20 | Deleting JPA Entity ObjectsExplains how to use JPA to delete (remove) entity objects from the database. |
20 | Updating JPA Entity ObjectsExplains how to use JPA to delete (remove) entity objects from the database. |
20 | Storing JPA Entity ObjectsExplains how to use JPA to store (persist) entity objects in the database. |
20 | Chapter 3 - Using JPAExplains how to store, retrieve, update and delete entity objects using JPA. |
20 | JPA Reference (JavaDoc)Java/JPA API Reference (based on the JPA 3 JavaDoc) |
14 | javax.persistence.EntityManager - if the entity state cannot be accessed Since: JPA 1.0 EntityTransaction getTransaction() Return the resource-level EntityTransaction object. Return the resource-level EntityTransaction object. The EntityTransaction instance may be used serially to begin and commit multiple transactions. Returns |
13 | getTransaction()Method javax.persistence.EntityManager EntityTransaction getTransaction() Return the resource-level EntityTransaction object. The EntityTransaction instance may be used serially to begin and commit multiple transactions. Returns: EntityTransaction instance Throws: IllegalStateException - if invoked on a JTA entity manager Since: JPA 1.0 |
9 | javax.persistence.RollbackException: Serializable Thrown by the persistence provider when EntityTransaction.commit() fails. Since: JPA 1.0 See Also: javax.persistence.EntityTransaction.commit() RollbackException() Constructs a new |
1 | javax.jdo.JDOEntityManager to the UTC Date as seen by the server Since: JDO 2.1 EntityTransaction getTransaction() Return the resource-level EntityTransaction object. Return the resource-level EntityTransaction object. The EntityTransaction instance may be used serially to begin and commit multiple transactions. Returns |
