About mapped

forum_thread

Unable to persist TreeMap

import java.util.SortedMap; import java.util.TreeMap; import javax.persistence.Entity; //---------------- @Entity class Person { public SortedMap<String, String> memberships = new TreeMap<String, String>(); } //Person   #1 2013-06-04 14:44 import java. util . SortedMap ; import java. util . TreeMap ; import javax. persisten ...

 
forum_thread

Start ObjectDB inside java code.

I am building an MMORPG with ObjectDB, and I use it both for the saving of character and inventory (permanent object), but also the storing of ability and maps information (object I load, use, and dispose and then reuse without having change anything). The problems is, as my server and client both run on the same machine and more than one client can be started, they all need access to this information without being able to share any thread, so am forced to use the server model. #1 2015-04-08 12:16 I am building an MMORPG with ObjectDB, and I use it both for the saving of character and inventory (permanent obj ...

 
api-jdo

Constants.ORM_XSD_NS

The standard JDO object-repository mapping schema namespace.(Static Field of javax.jdo.Constants)

 
api-jpa

JoinColumns.value

The join columns that map the relationship.(Annotation Element of javax.persistence.JoinColumns)

 
api-jdo

Persistent.columns

Column definition(s) for this member.(Annotation Element of javax.jdo.annotations.Persistent)

 
api-jpa

javax.persistence.PrePersist

Is used to specify callback methods for the corresponding lifecycle event.(Annotation of JPA)

 
api-jdo

javax.jdo.annotations.Sequence

Annotation for a datastore sequence.(Annotation of JDO)

 
api-jpa

SqlResultSetMapping.name

The name given to the result set mapping, and used to refer to it in the methods of the Query API.(Annotation Element of javax.persistence.SqlResultSetMapping)

 
api-jpa

javax.persistence.NamedNativeQuery

Specifies a named native SQL query.(Annotation of JPA)

 
api-jpa

Type.PersistenceType.MAPPED_SUPERCLASS

Mapped superclass(Enum Constant of javax.persistence.metamodel.Type.PersistenceType)