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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 ... ) The name of the persistent field or property of the associated entity that is used as the map key

JPA Annotation Attribute in jakarta. persistence .ManyToMany FetchType fetch default FetchType.LAZY ... strategy is a requirement on the persistence provider runtime that the associated entity must be eagerly fetched. The LAZY strategy is a hint to the persistence provider runtime. If not specified, defaults to LAZY . Since: JPA 1.0

JPA Annotation Attribute in jakarta. persistence .ManyToOne FetchType fetch default FetchType.EAGER ... strategy is a requirement on the persistence provider runtime that the associated entity must be eagerly fetched. The LAZY strategy is a hint to the persistence provider runtime. If not specified, defaults to EAGER . Since: JPA 1.0

JPA Exception NoResultException java.lang.Object ∟  java.lang.Throwable ∟  java.lang.Exception ∟  java.lang.RuntimeException ∟  jakarta. persistence .PersistenceException ∟  jakarta. persistence .NoResultException Thrown by the persistence provider when () or () is executed

JPA Enum CascadeType java.lang.Object ∟  java.lang.Enum ∟  jakarta. persistence ... cascade=ALL is equivalent to cascade={ PERSIST , MERGE, REMOVE, REFRESH, DETACH }. See Also: ManyToOne ... the plain operation Since: JPA 1.0 PERSIST Cascade the plain operation Since: JPA 1.0 REFRESH Cascade

of the converter, an arbitrary Java type which may be used as the type of a persistent field or ... if the converter is automatically applied to persistent fields and properties of the target type. The Convert ... for use by the JDBC driver: i.e., persistence providers are not expected to do such type conversion

.Exception ∟  java.lang.RuntimeException ∟  jakarta. persistence .PersistenceException Thrown by the persistence provider when a problem occurs. All instances of PersistenceException ... , and QueryTimeoutException , cause the current transaction, if one is active and if the persistence context

JPA Exception TransactionRequiredException java.lang.Object ∟  java.lang.Throwable ∟  java.lang.Exception ∟  java.lang.RuntimeException ∟  jakarta. persistence .PersistenceException ∟  jakarta. persistence .TransactionRequiredException Thrown by the persistence provider

JPA Annotation Attribute in jakarta. persistence .PersistenceContext PersistenceContextType type default PersistenceContextType.TRANSACTION (Optional) Specifies whether a transaction-scoped persistence context or an extended persistence context is to be used. Since: JPA 1.0

JPA Annotation Attribute in jakarta. persistence .PersistenceContext SynchronizationType synchronization default SynchronizationType.SYNCHRONIZED (Optional) Specifies whether the persistence context is always automatically synchronized with the current transaction or whether the persistence context

JPA Exception RollbackException java.lang.Object ∟  java.lang.Throwable ∟  java.lang.Exception ∟  java.lang.RuntimeException ∟  jakarta. persistence .PersistenceException ∟  jakarta. persistence .RollbackException Thrown by the persistence provider when () fails

JPA Annotation Attribute in jakarta. persistence .Basic FetchType fetch default FetchType.EAGER ... . The EAGER strategy is a requirement on the persistence provider runtime that the associated entity must be eagerly fetched. The LAZY strategy is a hint to the persistence provider runtime. If not specified, defaults to EAGER . Since: JPA 1.0

JPA Exception QueryTimeoutException java.lang.Object ∟  java.lang.Throwable ∟  java.lang.Exception ∟  java.lang.RuntimeException ∟  jakarta. persistence .PersistenceException ∟  jakarta. persistence .QueryTimeoutException Thrown by the persistence provider when a query times

the column mapped by the annotated persistent property or field. If no Column annotation is explicitly ... is included in SQL INSERT statements generated by the persistence provider. Since: JPA 1.0 int length default ... (Optional) Whether the column is included in SQL UPDATE statements generated by the persistence provider. Since: JPA 1.0

. The persistence provider is only required to support the GeneratedValue for simple primary keys ... , then the persistence provider supplies a default id generator, of a type compatible with the value ... generation strategy that the persistence provider must use to generate the annotated entity primary key. Since: JPA 1.0

JPA Enum FetchType java.lang.Object ∟  java.lang.Enum ∟  jakarta. persistence .FetchType ... on the persistence provider runtime that data must be eagerly fetched. The LAZY strategy is a hint to the persistence provider runtime that data should be fetched lazily when it is first accessed

specified, a default foreign key strategy is selected by the persistence provider. Since: JPA 2.1 ... generated by the persistence provider. Since: JPA 1.0 String name default "" (Optional) The name ... ) Whether the column is included in SQL UPDATE statements generated by the persistence provider. Since: JPA 1.0

JPA Annotation Attribute in jakarta. persistence .ElementCollection FetchType fetch default ... . The EAGER strategy is a requirement on the persistence provider runtime that the associated entity must be eagerly fetched. The LAZY strategy is a hint to the persistence provider runtime. If not specified, defaults to LAZY . Since: JPA 2.0

JPA Interface Type Type Parameters: - The type of the represented object or attribute An instance of the type Type represents a persistent object or attribute type. Since: JPA 2.0 Public Methods ... .PersistenceType getPersistenceType () Return the persistence type. Return: persistence type Since: JPA 2.0

must be eagerly fetched. The EAGER strategy is a requirement on the persistence provider runtime that the associated entity must be eagerly fetched. The LAZY strategy is a hint to the persistence

must be eagerly fetched. The EAGER strategy is a requirement on the persistence provider runtime that the associated entity must be eagerly fetched. The LAZY strategy is a hint to the persistence provider

SingularAttribute represents persistent single-valued properties or fields. Since: JPA 2.0 Public ... ? Return: boolean indicating whether the attribute can be null See Also: jakarta. persistence .Basic

JPA Enum Constant in jakarta. persistence .PessimisticLockScope EXTENDED In addition to the locking behavior specified for NORMAL , element collections and relationships owned by the entity that are contained in join tables are locked if the property jakarta. persistence .lock.scope is specified

JPA Annotation Attribute in jakarta. persistence .AssociationOverride ForeignKey foreignKey default @ForeignKey(PROVIDER_DEFAULT) (Optional) Used to specify or control the generation of a foreign key ... , the persistence provider's default foreign key strategy will apply. Since: JPA 2.1

JPA Annotation Attribute in jakarta. persistence .AssociationOverride JoinColumn [] joinColumns default {} The join column(s) being mapped to the persistent attribute(s). The joinColumns elements must be specified if a foreign key mapping is used in the overriding of the mapping of the relationship

JPA Annotation Attribute in jakarta. persistence .NamedQuery LockModeType lockMode default LockModeType.NONE (Optional) The lock mode type to use in query execution. If a lockMode other than LockModeType.NONE is specified, the query must be executed in a transaction and the persistence context joined to the transaction. Since: JPA 2.0

JPA Annotation Attribute in jakarta. persistence .JoinTable ForeignKey foreignKey default @ForeignKey(ConstraintMode.PROVIDER_DEFAULT) (Optional) Used to specify or control the generation of a foreign ... either location, a default foreign key strategy is selected by the persistence provider. Since: JPA 2.1

JPA Annotation Attribute in jakarta. persistence .JoinTable ForeignKey inverseForeignKey default @ForeignKey(ConstraintMode.PROVIDER_DEFAULT) (Optional) Used to specify or control the generation ... is specified in either location, a default foreign key strategy is selected by the persistence provider. Since: JPA 2.1

JPA Annotation Attribute in jakarta. persistence .NamedQuery String query default null (Required) The query string in the Jakarta Persistence query language. Since: JPA 1.0

JPA Annotation PersistenceProperty Implemented Interfaces: Annotation Describes a single container or persistence provider property. Used in PersistenceContext . Vendor specific properties may be included in the set of properties, and are passed to the persistence provider by the container

: Type Since: JPA 2.0 Type .PersistenceType getPersistenceType () Return the persistence type. Return: persistence type Inherited from: Type Since: JPA 2.0

JPA Annotation Attribute in jakarta. persistence .JoinColumns ForeignKey foreignKey default @ForeignKey(PROVIDER_DEFAULT) (Optional) Used to specify or control the generation of a foreign key ... is specified in either location, a default foreign key strategy is selected by the persistence provider. Since: JPA 2.1

JPA Exception SchemaValidationException java.lang.Object ∟  java.lang.Throwable ∟  java.lang.Exception ∟  jakarta. persistence .SchemaValidationException Thrown when () schema ... detected while validating the schema. A persistence provider might choose to fail fast

JPA Annotation Attribute in jakarta. persistence .TableGenerator String table default "" (Optional) Name of the table that stores the generated id values. Defaults to a name chosen by persistence provider. Since: JPA 1.0

JPA Enum Constant in jakarta. persistence .SynchronizationType SYNCHRONIZED Persistence context is automatically synchronized with the current transaction Since: JPA 2.1

, the persistence provider's default foreign key strategy will apply. Since: JPA 2.1 JoinColumn [] joinColumns default {} The join column(s) being mapped to the persistent attribute(s). The joinColumns

JPA Annotation Attribute in jakarta. persistence .MapKeyJoinColumn boolean updatable default true (Optional) Whether the column is included in SQL UPDATE statements generated by the persistence provider. Since: JPA 2.0

JPA Enum Constant in jakarta. persistence .SynchronizationType UNSYNCHRONIZED Persistence context must be explicitly joined to the current transaction Since: JPA 2.1

JPA Annotation Attribute in jakarta. persistence .MapKeyJoinColumn boolean insertable default true (Optional) Whether the column is included in SQL INSERT statements generated by the persistence provider. Since: JPA 2.0

. The EAGER strategy is a requirement on the persistence provider runtime that the associated entity must be eagerly fetched. The LAZY strategy is a hint to the persistence provider runtime. If not

JPA Annotation Attribute in jakarta. persistence .CollectionTable ForeignKey foreignKey default @ForeignKey(ConstraintMode.PROVIDER_DEFAULT) (Optional) Used to specify or control the generation ... either location, a default foreign key strategy is selected by the persistence provider. Since: JPA 2.1

JPA Annotation Attribute in jakarta. persistence .MapKeyColumn boolean updatable default true (Optional) Whether the column is included in SQL UPDATE statements generated by the persistence provider. Since: JPA 2.0

.0 Attribute .PersistentAttributeType getPersistentAttributeType () Return the persistent attribute type for the attribute. Return: persistent attribute type Since: JPA 2.0 boolean isAssociation

JPA Annotation Attribute in jakarta. persistence .MapKeyColumn boolean insertable default true (Optional) Whether the column is included in SQL INSERT statements generated by the persistence provider. Since: JPA 2.0

on the persistence provider runtime that the associated entities must be eagerly fetched. The LAZY strategy is a hint to the persistence provider runtime. Since: JPA 1.0 String mappedBy default "" The field

JPA Annotation Attribute in jakarta. persistence .MapKey String name default "" (Optional) The name of the persistent field or property of the associated entity that is used as the map key. Default: If the name element is not specified, the primary key of the associated entity is used as the map key

JPA Annotation Attribute in jakarta. persistence .PrimaryKeyJoinColumns ForeignKey foreignKey default @ForeignKey(ConstraintMode.PROVIDER_DEFAULT) (Optional) Used to specify or control the generation ... . If no foreign key annotation element is specified in either location, a default foreign key strategy is selected by the persistence provider. Since: JPA 2.1

JPA Annotation Attribute in jakarta. persistence .PrimaryKeyJoinColumn ForeignKey foreignKey default @ForeignKey(PROVIDER_DEFAULT) (Optional) Used to specify or control the generation of a foreign key ... is not specified, the persistence provider's default foreign key strategy will apply. Since: JPA 2.1

generated by the persistence provider. Since: JPA 2.0 int length default 255 (Optional) The column ... SQL UPDATE statements generated by the persistence provider. Since: JPA 2.0

JPA Enum Constant in jakarta. persistence .PersistenceContextType EXTENDED Extended persistence context Since: JPA 1.0