About begin

21-30 of 200Refresh
Tutorial
11

Step 3: Define an EJB Session Bean

transaction begin and commit. The next step is adding a Servlet Class that will serve as the application controller.
Tutorial
11

Step 4: Add a Servlet Class

"); if (name != null) { em.getTransaction().begin(); em.persist(new
Tutorial
11

Step 4: Add a Servlet Class

.getTransaction().begin(); em.persist(new Guest(name)); em
JDO Doc
8

javax.jdo.Transaction

may only be used with bean-managed transaction semantics. Since: JDO 1.0   void begin() Begin a transaction. Begin a transaction. The type of transaction is determined by the setting of the Optimistic ... are restored to their values as of the beginning of the transaction, and the instances revert to transient
Forum
5

EntityManager.refresh takes a long time

(Level.INFO, "begin select for person " + new Date().toString());                TypedQuerybegin refresh for person = " +             person + "  "+ new Date().toString());         em ... + "  "+ new Date().toString());     }   INFO: begin select for person Thu Aug 08 19:39:45 GMT+04
JDO Doc
4

javax.jdo.spi.PersistenceCapable

, this method returns the object id as of the beginning of the current transaction. Returns: a copy of the ObjectId of this instance as of the beginning of the transaction. Since: JDO 1.0
JDO Doc
4

jdoGetObjectId()

the transaction, this method returns the object id as of the beginning of the current transaction. Returns: a copy of the ObjectId of this instance as of the beginning of the transaction. Since: JDO 1.0
JDO Doc
4

setRestoreValues(restoreValues)

instances are restored to their values as of the beginning of the transaction, and the instances revert ... types are restored to their values as of the beginning of the transaction. If false, at rollback
JDO Doc
4

setRestoreValues(restoreValues)

Method javax.jdo.Transaction void setRestoreValues(   boolean restoreValues ) If true, at rollback, fields of newly persistent instances are restored to their values as of the beginning ... of primitive types and immutable reference types are restored to their values as of the beginning
JDO Doc
4

javax.jdo.JDOEntityManager

one or more of the application key fields, then this method returns the identity as of the beginning ... . The EntityTransaction instance may be used serially to begin and commit multiple transactions. Returns