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EntityManager.refresh takes a long time

>     logger.log(Level.INFO, "begin select for person ... person : persons) {         logger.log(Level.INFO, "begin ... "> INFO: begin select for person Thu Aug 08 19:39:45 GMT+04:00 2013 INFO: end select for person Thu

Posting Sample Code

();         em.getTransaction().begin();     

ObjectDB Object Database Features

> Operations: begin, commit, rollback

Database Explorer

begins a new transaction for the next editing session. Options and Settings

Step 3: Define an EJB Session Bean

begin and commit. The next step is

Step 4: Add a Servlet Class

"); if (name != null) { em.getTransaction().begin(); em

[ODB1] Chapter 9 - ObjectDB Explorer

", the Explorer automatically begins a new transaction for the next editing session. Another useful command

[ODB1] Chapter 4 - JDO Metadata

, it returns automatically to its value at the beginning of the transaction. default-fetch

javax.jdo.Transaction

/Transaction/begin" title="Method of javax.jdo.Transaction">begin () Begin a transaction. Begin a transaction. The type of transaction is determined by the setting

javax.jdo.PersistenceManagerFactory

JDO JavaDoc Reference Documentation - The PersistenceManagerFactory is the interface to use to obtain PersistenceManager instances.