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About mapped superclass

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javax.persistence.MapKeyClass

the type of the map key for associations of type java.util.Map. The map key can be a basic type, an embeddable class, or an entity. If the map is specified using Java generics, the MapKeyClass ... ; ... @ElementCollection(targetClass=String.class) @MapKeyClass(String.class) Map images
JPA Doc
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javax.persistence.criteria.CriteriaBuilder

Expression> keys(M map) Create an expression that returns the keys of a map. Create an expression that returns the keys of a map. Parameters: map - map Returns: set expression Since: JPA 2.0 ... to convert to uppercase Since: JPA 2.0 Expression> values(M map) Create an expression
JPA Doc
2

javax.persistence.EntityManager

that are related or grouped by the application, and which must be colocated in their mapping to a single ... resultSetMapping - the name of the result set mapping Returns: the new query instance Since: JPA 1.0 Query ...  primaryKey, Map properties) Find by primary key, using the specified properties. Find by
JPA Doc
2

javax.persistence.spi.PersistenceUnitInfo

classes Since: JPA 1.0 List getMappingFileNames() Returns the list of the names of the mapping files that the persistence provider must load to determine the mappings for the entity classes. Returns the list of the names of the mapping files that the persistence provider must load to determine
JPA Doc
2

MapKeyColumn.name

Annotation Element javax.persistence.MapKeyColumn String name (Optional) The name of the map key column. The table in which it is found depends upon the context. If the map key is for an element collection, the map key column is in the collection table for the map value. If the map key
Forum
2

@MappedSuperclass and @Transient not working as I expected

so there are no tables, but indeed a mapped superclasses (as well as abstract entity classes) do not store data just ... for the superclass, and the transient field would not appear in any table. The actual result is that there is a table for the superclass.  When I try to examine it in ObjectDB Explorer, it throws a NPE
JPA Doc
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javax.persistence.metamodel.MapAttribute

javax.persistence.metamodel Interface MapAttribute Superinterfaces: AttributeMap>, Bindable, PluralAttributeMap,V> Instances of the type MapAttribute represent persistent java.util.Map-valued attributes. Since: JPA 2.0 Class getBindableJavaType() Return the Java type
JPA Doc
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javax.persistence.spi.PersistenceProvider

EntityManagerFactory createContainerEntityManagerFactory( PersistenceUnitInfo info, Map map) Called by ... when an EntityManagerFactory is to be created. Parameters: info - metadata for use by the persistence provider map - a Map of integration-level properties for use by the persistence provider (may be null
JDO Doc
2

getPersistenceCapableSuperclass()

Method javax.jdo.spi.RegisterClassEvent Class getPersistenceCapableSuperclass() Returns the class object of the persistence-capable superclass. Returns: the persistence-capable superclass. Since: JDO 1.0
JDO Doc
2

getPersistenceCapableSuperclass(pcClass)

Method javax.jdo.spi.JDOImplHelper Class getPersistenceCapableSuperclass(   Class pcClass ) Get the persistence-capable superclass for a PersistenceCapable class. Parameters: pcClass - the PersistenceCapable class. Returns: The PersistenceCapable superclass for this class, or null if there isn't one. Since: JDO 1.0