About EntityManager

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JPA Doc
88

setFlushMode(flushMode)

Method javax.persistence.EntityManager void setFlushMode(   FlushModeType flushMode ) Set the flush mode that applies to all objects contained in the persistence context. Parameters: flushMode - flush mode Since: JPA 1.0
JPA Doc
88

setProperty(propertyName, value)

Method javax.persistence.EntityManager void setProperty(   String propertyName,   Object value ) Set an entity manager property or hint. If a vendor-specific property or hint is not recognized, it is silently ignored. Parameters: propertyName - name of property or hint value - value for property or
Forum
31

EntityManager refresh problem

Hi, in the following code you can see an example with EntityManager.refresh(). The example throws ... -------------------- package example; import java.io.File; import javax.persistence.EntityManager ... void refreshTest() {         EntityManager entityManager = null;         try
Forum
31

UserException - Object User#2 belongs to another EntityManager

EntityManager with the same unitName. TradesC method needs an User, which is taken from UserDataB ... .pingushare.entity.p1.User#2' belongs to another EntityManager at com.objectdb.o.MSG.d(MSG.java:61 ... this should be a problem if, in the same transaction, an entity is passed into more EntityManagers, but here are 2
Manual
31

Obtaining a JPA Database Connection [2011-02-11]

In JPA a database connection is represented by the EntityManager interface. Therefore, in order to manipulate an ObjectDB database we need an EntityManager instance. Operations that modify database ... an EntityManager instance consists of two steps. First we need to obtain an instance
Manual
31

Obtaining a JPA Database Connection

In JPA a database connection is represented by the EntityManager interface. Therefore, in order to manipulate an ObjectDB database we need an EntityManager instance. Operations that modify database ... an EntityManager instance consists of two steps. First we need to obtain an instance
Forum
30

Attempt to execute a query using a closed EntityManager

. com.objectdb.o.UserException - Attempt to execute a query using a closed EntityManager at com ... to execute a query using a closed EntityManager at org.apache.myfaces.view.facelets.el ... EntityManager at org.apache.el.parser.AstValue.invoke(AstValue.java:291) at org.apache.el
Forum
30

EntityManager JPA or JDO impl and different behavior

Hi, I have an issue with the EntityManager. My persistance XML looks like: EntityManager Name: " + em.getClass ... .jdo.PMImpl Whats going on here? Is the entityManager not controlled by the persistance.xml or
Forum
30

Object belongs to another EntityManager - ERROR

#8' belongs to another EntityManager (error 613) 10:29:14,887 ERROR [stderr] (http--10.23.3.98-8081 ... .UserException: Object 'pbdmodel.impl.OrgJedinicaImpl#8' belongs to another EntityManager 10:29:15,072 ... #8' belongs to another EntityManager 10:29:15,089 ERROR [stderr] (http--10.23.3.98-8081-5) at com
Forum
30

Accessing objects to make them available after EntityManager close?!

"); EntityManager em = emf.createEntityManager(); TypedQuery query = em.createQuery("SELECT w ... objects? Many thanks Closing the EntityManager changes the state of the managed object to detached, and in detached objects only fields that have already been loaded when the EntityManager