About mapping

forum_thread

Threading Problem (maybe with Criteria)

Hi all I found some threading problems I do not understand: here is the the link to the testcase http://www.advolux.de/weblink%20forum/test.zip #1 2013-08-26 21:15 Hi all I found some threading problems I do not understand: After creating some testobjects (i.e. ...

 
api-jpa

javax.persistence.Table

Specifies the primary table for the annotated entity.(Annotation of JPA)

 
api-jpa

Enumerated.value

(Optional) The type used in mapping an enum type.(Annotation Element of javax.persistence.Enumerated)

 
api-jpa

javax.persistence.Embeddable

Defines a class whose instances are stored as an intrinsic part of an owning entity and share the identity of the entity.(Annotation of JPA)

 
forum_thread

Understanding limitations of schema evolution

Hi, I am trying to understand the limitations of schema evolution and have read the material on http://www.objectdb.com/java/jpa/entity/schema as well as the link therein regarding manual schema update when changing a field’s name Yet, i am confused regarding how to handle the case where one re-factors a class by moving one if it's Fields to a different class. Is this case managable? Thanks #1 2014-10-31 12:31 Hi, I am trying to understand the limitations of schema evolution and have read the material on http://www.objectdb.c ...

 
api-jpa

AttributeOverride.name

(Required) The name of the property whose mapping is being overridden if property-based access is being used, or the name of the field if field-based access is used.(Annotation Element of javax.persistence.AttributeOverride)

 
api-jpa

SqlResultSetMapping.columns

Specifies the result set mapping to scalar values.(Annotation Element of javax.persistence.SqlResultSetMapping)

 
forum_thread

Is ObjectDB the only object database that supports JPA?

Other Object database does'nt support JPA?   ... JPA is designed as an API for Object Relational Mapping (ORM), so many JPA features cannot be supported by regular object ...

 
api-jdo

Constants.PROPERTY_SERVER_TIME_ZONE_ID

Mapping "javax.jdo.option.ServerTimeZoneID"(Static Field of javax.jdo.Constants)

 
api-jpa

createNativeQuery(sqlString, resultSetMapping)

Create an instance of Query for executing a native SQL query.(Method of javax.persistence.EntityManager)