About persistence unit

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JPA Doc
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javax.persistence.MapKeyJoinColumn

javax.persistence Annotation MapKeyJoinColumn Target: Fields (including property get methods ... statements generated by the persistence provider. (Optional) Whether the column is included in SQL INSERT statements generated by the persistence provider. Default value: true Since: JPA 2.0 String name
JPA Doc
19

javax.persistence.metamodel.CollectionAttribute

javax.persistence.metamodel Interface CollectionAttribute Superinterfaces: Attributepersistent java.util.Collection-valued attributes. Since: JPA 2.0 Classpersistent attribute type for the attribute. Return
JPA Doc
19

javax.persistence.metamodel.ListAttribute

javax.persistence.metamodel Interface ListAttribute Superinterfaces: Attribute>, Bindable, PluralAttribute,E> Instances of the type ListAttribute represent persistent ... getPersistentAttributeType() Return the persistent attribute type for the attribute. Return the persistent attribute type
JPA Doc
19

javax.persistence.metamodel.MapAttribute

javax.persistence.metamodel Interface MapAttribute Superinterfaces: Attribute>, Bindable, PluralAttribute,V> Instances of the type MapAttribute represent persistent ... getPersistentAttributeType() Return the persistent attribute type for the attribute. Return the persistent
JPA Doc
19

javax.persistence.metamodel.PluralAttribute

javax.persistence.metamodel Interface PluralAttribute Superinterfaces: Attributepersistent collection-valued attributes. Since: JPA 2.0 Classpersistent attribute type
JPA Doc
19

javax.persistence.metamodel.SetAttribute

javax.persistence.metamodel Interface SetAttribute Superinterfaces: Attribute>, Bindable, PluralAttribute,E> Instances of the type SetAttribute represent persistent java ... () Return the persistent attribute type for the attribute. Return the persistent attribute type
JPA Doc
19

javax.persistence.metamodel.SingularAttribute

javax.persistence.metamodel Interface SingularAttribute Superinterfaces: Attribute, Bindable Instances of the type SingularAttribute represents persistent single-valued properties or ... .0 PersistentAttributeType getPersistentAttributeType() Return the persistent attribute type
JPA Doc
19

javax.persistence.metamodel.Type

javax.persistence.metamodel Interface Type Subinterfaces: BasicType, EmbeddableType, EntityType, IdentifiableType, ManagedType, MappedSuperclassType Instances of the type Type represent persistent ... getPersistenceType() Return the persistence type. Return the persistence type. Returns: persistence type Since: JPA 2.0
JPA Doc
19

javax.persistence.RollbackException

javax.persistence Exception RollbackException java.lang.Object java.lang.Throwable java.lang.Exception java.lang.RuntimeException javax.persistence.PersistenceException javax.persistence.RollbackException Implemented Interfaces
Manual
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JPA Named Queries

class. But since the scope of named queries is the entire persistence unit, names should be selected ... the listing of managed classes in a persistence unit definition is to support named queries. Notice ... must be available. ObjectDB makes the definition of a persistence unit optional. Named queries