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(JPA) 2.0 Annotation Elements MapKeyJoinColumn[] value (Required) The map key join columns

the associated entity , and a many-to-many association usually maps to a join table . Every entity

Jakarta Persistence (JPA) Annotation Type jakarta.persistence.DiscriminatorColumn Implemented Interfaces: Annotation Target: Type Specifies the discriminator column for the SINGLE_TABLE and JOINED inheritance mapping strategies . The mapping strategy and discriminator column are only specified

and the persistence context has been joined to it, will be marked for rollback. See Also: EntityManager

, if one is active and the persistence context has been joined to it, will be marked for rollback

own joins ). All queries may have: a conjunction of restrictions. Since: Jakarta Persistence (JPA) 2.0

and the persistence context joined to the transaction. Default: LockModeType.NONE Since: Jakarta Persistence (JPA) 2

to a join table using the JoinTable annotation. The OneToOne annotation may be used within an embeddable

, if one is active and if the persistence context has been joined to it, to be marked for rollback

whether the persistence context must be explicitly joined to the current transaction by means of the EntityManager

Jakarta Persistence (JPA) Method in jakarta.persistence.PersistenceContext SynchronizationType synchronization (Optional) Specifies whether the persistence context is always automatically synchronized with the current transaction or whether the persistence context must be explicitly joined

Jakarta Persistence (JPA) Method in jakarta.persistence.criteria.CollectionJoin CollectionAttribute getModel() Return the metamodel representation for the collection attribute. Returns: metamodel type representing the Collection that is the target of the join . Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.criteria.SetJoin SetAttribute getModel() Return the metamodel representation for the set attribute. Returns: metamodel type representing the Set that is the target of the join . Since: Jakarta Persistence (JPA) 1.0

other than NONE has been set and there is no transaction or the persistence context has not been joined

and there is no transaction or the persistence context has not been joined to the transaction. Since: Jakarta Persistence (JPA) 1.0

and there is no transaction or the persistence context has not been joined to the transaction. Since: Jakarta Persistence (JPA) 3.2

been joined to the transaction. QueryTimeoutException - if the query execution exceeds the query

Jakarta Persistence (JPA) Method in jakarta.persistence.criteria.ListJoin ListAttribute getModel() Return the metamodel representation for the list attribute. Returns: metamodel type representing the List that is the target of the join . Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.criteria.MapJoin MapAttribute getModel() Return the metamodel representation for the map attribute. Returns: metamodel type representing the Map that is the target of the join . Since: Jakarta Persistence (JPA) 1.0

back. TransactionRequiredException - if there is no transaction or the persistence context has not been joined

will generate a constraint whose update and delete actions it determines most appropriate for the join column

Jakarta Persistence (JPA) Method in jakarta.persistence.EntityManager void joinTransaction() Indicate to the entity manager that a JTA transaction is active and join the persistence context to it. This method should be called on a JTA application managed entity manager that was created outside

is joined to an active transaction, the persistence context remains managed until the transaction completes

- if there is no transaction or if invoked on an entity manager which has not been joined to the current transaction. Since: Jakarta Persistence (JPA) 3.2

on an extended entity manager that has not been joined to the current transaction and any lock mode other than NONE was specified. Since: Jakarta Persistence (JPA) 2.0

. TransactionRequiredException - if there is no transaction or if invoked on an entity manager which has not been joined

. TransactionRequiredException - if there is no transaction or if invoked on an entity manager which has not been joined

if the entity manager has not been joined to the current transaction. Since: Jakarta Persistence (JPA) 2.0

on an extended entity manager that has not been joined to the current transaction and any lock mode other than NONE was specified. Since: Jakarta Persistence (JPA) 2.0

entity manager that has not been joined to the current transaction and any lock mode other than NONE was specified. Since: Jakarta Persistence (JPA) 3.2

Jakarta Persistence (JPA) Enum Constant in jakarta.persistence.criteria.JoinType INNER Inner join . Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Enum Constant in jakarta.persistence.criteria.JoinType LEFT Left outer join . Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Enum Constant in jakarta.persistence.criteria.JoinType RIGHT Right outer join . Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Enum Constant in jakarta.persistence.SynchronizationType UNSYNCHRONIZED Persistence context must be explicitly joined to the current transaction Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.NamedQuery LockModeType lockMode (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

Jakarta Persistence (JPA) Method in jakarta.persistence.MapKeyJoinColumn String referencedColumnName (Optional) The name of the column referenced by this foreign key column. The referenced column is in the table of the target entity. Default (only applies if single join column is being used

Jakarta Persistence (JPA) Method in jakarta.persistence.MapKeyJoinColumns MapKeyJoinColumn[] value (Required) The map key join columns that are used to map to the entity that is the map key. Since: Jakarta Persistence (JPA) 1.0

to explicitly specify this for a join column that corresponds to a primary key

Jakarta Persistence (JPA) Method in jakarta.persistence.JoinTable String name (Optional) The name of the join table. Defaults to the concatenated names of the two associated primary entity tables, separated by an underscore. Default: "" Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.JoinColumns JoinColumn[] value The join columns that map the relationship. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.JoinTable JoinColumn[] joinColumns (Optional) The foreign key columns of the join table which reference the primary table of the entity owning the association. (I.e. the owning side of the association). Uses the same defaults as

Jakarta Persistence (JPA) Method in jakarta.persistence.JoinTable JoinColumn[] inverseJoinColumns (Optional) The foreign key columns of the join table which reference the primary table of the entity that does not own the association. (I.e. the inverse side of the association). Uses the same

Jakarta Persistence (JPA) Method in jakarta.persistence.SecondaryTable PrimaryKeyJoinColumn[] pkJoinColumns (Optional) The columns that are used to join with the primary table. Defaults to the column(s) of the same name(s) as the primary key column(s) in the primary table. Default: {} Since: Jakarta Persistence (JPA) 1.0

other than NONE is specified or if invoked on an entity manager which has not been joined to the current

has not been joined to the current transaction. Since: Jakarta Persistence (JPA) 1.0

other than NONE is specified or if invoked on an entity manager which has not been joined to the current transaction

which has not been joined to the current transaction and a lock mode other than NONE is specified. Since: Jakarta Persistence (JPA) 2.0

other than NONE is specified or if invoked on an entity manager which has not been joined to the current

Jakarta Persistence (JPA) Method in jakarta.persistence.PrimaryKeyJoinColumn ForeignKey foreignKey (Optional) Used to specify or control the generation of a foreign key constraint for the primary key join column when table generation is in effect. If this element is not specified, the persistence

Jakarta Persistence (JPA) Method in jakarta.persistence.PrimaryKeyJoinColumn String name (Optional) The name of the primary key column of the current table. Defaults to the same name as the primary key column of the primary table of the superclass ( JOINED mapping strategy); the same name as