About mapped superclass

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JDO Doc
3

javax.jdo.spi.RegisterClassEvent

- the persistence-capable superclass Since: JDO 1.0 byte[] getFieldFlags() Returns the flags of the managed ... of the persistence-capable superclass. Returns the class object of the persistence-capable superclass. Returns: the persistence-capable superclass. Since: JDO 1.0 Class getRegisteredClass() Returns the class
Forum
3

Changing existing objects from Entity to Embedded

name="attributes" embedded="true">     <map embedded-key="true" embedded-value="true ... "/>        <map embedded-key="true" embedded-value="true" />          superclass
JPA Doc
3

javax.persistence.JoinColumn

: unidirectional one-to-many association using a foreign key mapping // In Customer class @OneToMany ... . If the join is for a OneToOne or ManyToOne mapping using a foreign key mapping strategy ... OneToMany mapping using a foreign key mapping strategy, the foreign key is in the table
JPA Doc
3

javax.persistence.metamodel.EmbeddableType

the Map-valued attribute declared by the managed type that corresponds to the specified name. Return the Map-valued attribute declared by the managed type that corresponds to the specified name ... > valueType) Return the Map-valued attribute declared by the managed type that corresponds to the specified
JPA Doc
3

MapKeyJoinColumn.table

that contains the foreign key column. If the join is for a map key for an element collection, the foreign key column is in the collection table for the map value. If the join is for a map key ... key mapping strategy, the foreign key column for the map key is in the table of the entity
JDO Doc
3

javax.jdo.Query

 variableDeclaration, String candidateCollectionExpression, Map parameters) Add a subquery to this query. Add a subquery to this query. The Map version of the method treats the key of each map entry as ... for either the parameter or the value of the String[], or for any map key or value, that expression is ignored
JPA Doc
2

javax.persistence.MapKey

the map key for associations of type java.util.Map when the map key is itself the primary key or a persistent field or property of the entity that is the value of the map. If a persistent field or property other than the primary key is used as a map key then it is expected to have a uniqueness constraint
FAQ
2

What are the main benefits of using ObjectDB?

the execution time of object oriented applications significantly. For instance, collection and map
Manual
2

Index Definition

; : } Indexes in Queries ObjectDB manages a BTree for every index. A BTree is an ordered map data structure
Manual
2

SELECT clause (JPQL / Criteria API)

clause. Collection and map fields cannot be included in the results directly, but their content