About store

manual

Updating JPA Entity Objects

Explains how to use JPA to delete (remove) entity objects from the database. Modifying existing entity objects that are stored in the database is based on transparent persistence, which means that changes are detected and handled automatically. This page covers the following topics: Transparent ...

 
forum_thread

mismatch after Enum changes

Hi, I have an entity, an attribute is a enum type: public enum MyEnum { AA, BB, CC, DD; } I populated the database, than I changed the enum types deleting some unused types (es. AA) without reset database:   #1 2016-01-28 11:07 Hi, I have an entity, an attribute is a enum type: public enum MyEnum { AA, BB, ...

 
api-jdo

Key.column

Name of the column to store the key in.(Annotation Element of javax.jdo.annotations.Key)

 
api-jdo

Value.mappedBy

Name of a member in the key class where this value is stored.(Annotation Element of javax.jdo.annotations.Value)

 
api-jdo

javax.jdo.listener.LoadCallback

This interface is used to notify instances of load events.(Interface of JDO)

 
api-jdo

getConnectionFactory()

Get the data store connection factory.(Method of javax.jdo.PersistenceManagerFactory)

 
api-jdo

setConnectionPassword(password)

Set the password for the data store connection.(Method of javax.jdo.PersistenceManagerFactory)

 
api-jdo

setConnectionFactory(connectionFactory)

Set the data store connection factory.(Method of javax.jdo.PersistenceManagerFactory)

 
api-jdo

fetchByteField(fieldNumber)

Fetch one field from the field manager.(Method of javax.jdo.spi.PersistenceCapable.ObjectIdFieldSupplier)

 
api-jdo

fetchShortField(fieldNumber)

Fetch one field from the field manager.(Method of javax.jdo.spi.PersistenceCapable.ObjectIdFieldSupplier)