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4

javax.persistence.criteria.Subquery

) Create a subquery map join object correlated to a map join object of the enclosing query. Create a subquery map join object correlated to a map join object of the enclosing query. Parameters
3

MapKeyJoinColumns.value

Annotation Element javax.persistence.MapKeyJoinColumns MapKeyJoinColumn[] value (Required) The map key join columns that are used to map to the entity that is the map key. Since: JPA 2.0
3

javax.persistence.metamodel.Type.PersistenceType

Since: JPA 2.0 PersistenceType ENTITY Entity Entity Since: JPA 2.0 PersistenceType MAPPED_SUPERCLASS Mapped superclass Mapped superclass Since: JPA 2.0 PersistenceType valueOf(String name) Returns
3

javax.persistence.AssociationOverrides

get methods) Used to override mappings of multiple relationship properties or fields. Example ... AssociationOverride[] value (Required) The association override mappings that are to be applied to the relationship field or property . (Required) The association override mappings that are to be applied to the relationship field or property . Since: JPA 1.0
3

javax.persistence.EmbeddedId

to a persistent field or property of an entity class or mapped superclass to denote a composite primary ... . The AttributeOverride annotation may be used to override the column mappings declared ... to the relationship to the parent entity. Relationship mappings defined within an embedded id class are not
3

AssociationOverride.joinTable

that maps the relationship. The joinTable element must be specified if a join table is used in the overriding of the mapping of the relationship. The joinTable element must not be specified if a foreign key mapping is used in the overriding of the relationship. Default value: @javax.persistence.JoinTable Since: JPA 2.0
3

JoinColumn.referencedColumnName

of the column referenced by this foreign key column. When used with entity relationship mappings ... with a unidirectional OneToMany foreign key mapping, the referenced column is in the table ... . When used in a CollectionTable mapping, the referenced column is in the table of the entity containing
0

addSubquery(sub, variableDeclaration, candidateCollectionExpression, parameters)

candidateCollectionExpression, Map parameters ) Add a subquery to this query. The Map version of the method treats the key of each map entry as the name of the parameter in the subquery, with or ... is the empty String for either the parameter or the value of the String[], or for any map key or value
0

javax.jdo.annotations.Persistent

[] columns Column definition(s) for this member. Column definition(s) for this member. Used for mapping ... is mapped (bidirectional relationship). Name of the related member in the other class where this value is mapped (bidirectional relationship). Returns: the related member in the other class Default
0

getMapping()

Method javax.jdo.PersistenceManagerFactory String getMapping() Get the Mapping setting for this factory. This is used to find the object-datastore mapping file(s). Returns: the Mapping setting. Since: JDO 1.0

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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