About attribute

forum_thread

Apparent Lazy Loading issues.

Hi, Thanks for the quick investigation. That has indeed fixed that issue. However there appear to be two more. ... purposes of continuing, I have set my "equals" method in attribute name to look only at the database id. Second issue. The docs ...

 
forum_thread

Debuging query before execution

Hi, Is is possible in any way to get string representation of a query right before execution, after setting parameters? Of course it's easy to print out query string when we build it by concatenating many strings, but even then we miss attributes. #1 2011-03-18 16:51 Hi, Is is possible in any way to get string representation of a query right before execution, after setti ...

 
api-jpa

getModel()

Return the metamodel representation for the list attribute.(Method of javax.persistence.criteria.ListJoin)

 
api-jdo

Constants.PMF_ATTRIBUTE_MAPPING

The name of the persistence manager factory element's "mapping" attribute.(Static Field of javax.jdo.Constants)

 
api-jpa

lock(entity, lockMode)

Lock an entity instance that is contained in the persistence context with the specified lock mode type.(Method of javax.persistence.EntityManager)

 
api-jdo

javax.jdo.annotations.PersistenceModifier

Enumeration of the persistence-modifier values for a field or property.(Enum of JDO)

 
api-jdo

Constants.PROPERTY_ATTRIBUTE_NAME

The name of the persistence manager factory property element's "name" attribute.(Static Field of javax.jdo.Constants)

 
api-jpa

PluralAttribute.CollectionType.LIST

List-valued attribute(Enum Constant of javax.persistence.metamodel.PluralAttribute.CollectionType)

 
api-jdo

Constants.PMF_ATTRIBUTE_CONNECTION_FACTORY_NAME

The name of the persistence manager factory element's "connection-factory-name" attribute.(Static Field of javax.jdo.Constants)

 
forum_thread

internal object DB locking in an embedded multi threaded application

Hi, we are using Embeded objectDB 2.4.4_06 in a highly multithreaded concurrent manner and we have noticed a performance problem in our application that seems to be attributed to ObjectDb's internal locking. When profiling our app in JVisualVm we notice a large number of threads are blocked and when doing a threaddump we notice that they are all blocked in the same place: #1 2012-11-08 13:26 Hi, we are using Embeded objectDB 2.4.4_06 in a highly multithreaded concurrent manner and we have notice ...