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3

Attribute.PersistentAttributeType.EMBEDDED

Enum Constant javax.persistence.metamodel.Attribute.PersistentAttributeType EMBEDDED Embeddable class attribute Since: JPA 2.0
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MapKeyJoinColumn.name

property or field of the referencing entity or embeddable class; "_"; "KEY". Default value: "" Since: JPA 2.0
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javax.persistence.MapKeyClass

javax.persistence Annotation MapKeyClass Target: Fields (including property get methods) Specifies 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
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javax.persistence.Transient

javax.persistence Annotation Transient Target: Fields (including property get methods) Specifies that the property or field is not persistent. It is used to annotate a property or field of an entity class, mapped superclass, or embeddable class. Example: @Entity public class Employee
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javax.persistence.metamodel.ManagedType

javax.persistence.metamodel Interface ManagedType<X> Superinterfaces: Type<X> Subinterfaces: EmbeddableType, EntityType, IdentifiableType, MappedSuperclassType Instances of the type ManagedType represent entity, mapped superclass, and embeddable types. Since: JPA 2.0 Attribute<?,?> getAttribute
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javax.persistence.Access

javax.persistence Annotation Access Target: Classes and fields (including property get methods) Used to specify an access type to be applied to an entity class, mapped superclass, or embeddable class, or to a specific attribute of such a class. Since: JPA 2.0 AccessType value (Required
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javax.persistence.MapKeyJoinColumn

field of the referencing entity or embeddable class; "_"; "KEY". Default value: "" Since: JPA 2.0
3

javax.persistence.OneToMany

of the relationship. The OneToMany annotation may be used within an embeddable class contained within an entity
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javax.persistence.metamodel.StaticMetamodel

javax.persistence.metamodel Annotation StaticMetamodel Target: Classes The StaticMetamodel annotation specifies that the class is a metamodel class that represents the entity, mapped superclass, or embeddable class designated by the value element. Since: JPA 2.0 Class<?> value Class being modeled
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managedType(cls)

Method javax.persistence.metamodel.Metamodel ManagedType<X> managedType( Class<X> cls ) Return the metamodel managed type representing the entity, mapped superclass, or embeddable class. Parameters: cls - the type of the represented managed class Returns: the metamodel managed type Throws: IllegalArgumentException - if not a managed class Since: JPA 2.0

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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