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Manual
91

JPA Persistable Types

, Mapped superclasses, Embeddable classes. Simple Java data types: Primitive types, Wrappers, String ... , OpenJPA, JPOX, DataNucleus, etc.). Embeddable Classes Embeddable classes are user defined persistable classes that function as value types. As with other non entity types, instances of an embeddable
JPA Doc
75

javax.persistence.Embeddable

javax.persistence Annotation Embeddable Target: Classes Defines a class whose instances are stored ... that the Transient annotation may be used to designate the non-persistent state of an embeddable class. Example 1: @Embeddable public class EmploymentPeriod { @Temporal(DATE) java.util
JPA Doc
74

embeddable(cls)

Method javax.persistence.metamodel.Metamodel EmbeddableType embeddable(   Class cls ) Return the metamodel embeddable type representing the embeddable class. Parameters: cls - the type of the represented embeddable class Returns: the metamodel embeddable type Throws: IllegalArgumentException - if not an embeddable class Since: JPA 2.0
JPA Doc
70

Type.PersistenceType.EMBEDDABLE

Enum Constant javax.persistence.metamodel.Type.PersistenceType EMBEDDABLE Embeddable class Since: JPA 2.0
JPA Doc
48

JPA Annotations for Classes

Reference (JavaDoc) of JPA 2 class annotations, including @Entity, @Embeddable, @IdClass, @Cacheable, @EntityListeners, etc.
Manual
33

JPA Metamodel API

to retrieve sets of types: // Get all the managed classes: // (entity classes, embeddable classes ... (); // Get all the embeddable classes: Set allEmbeddableTypes = metamodel.getEmbeddables ... instance: // Get a managed type (entity, embeddable or mapped super classes): ManagedType
Manual
33

JPA Primary Key

an embeddable class: @Entity public class Project { @EmbeddedId ProjectId id; : } @Embeddable Class ProjectId { int departmentId; long projectId; } The primary key fields are defined in an embeddable class. The entity contains a single primary key field that is annotated
Manual
25

JPA Entity Fields

Fields of persistable user defined classes (entity classes, embeddable classes and mapped ... and inverse fields) can be used in both entity classes and embeddable classes. However, the last ... is embeddable may optionally be marked with the @Embedded annotation, requiring ObjectDB to verify that the type
Forum
25

Does ObjectDB support @Parent for @Embeddable reference to parent?

AFAIK JPA does not directly support an @Embeddable referencing the parent in which it is @Embedded ... public class Person { @Embeddable public Address address; ... } @Embeddable public class ... ; this.profile.setUser(this); } // ... }   @Embeddable class Profile implements Serializable
Forum
25

Is it ok to put list or map of embeddable objects in entity ?

Hi, Is it ok to put list or map of embeddable objects in entity? I mean, for example : @Entity ...     Map cMap; (...) } where Class_B and Class_C are annotated as @Embeddable ? In the examples, there is only situation where there is one single instance of embeddable class in