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. If PersistenceUnitTransactionType.RESOURCE_LOCAL , database connection properties may be specified via PersistenceConfiguration. properties , or a non-JTA datasource may be provided

): The concatenation of the following: the name of the referencing relationship property or field ... . If there is no such referencing relationship property or field in the entity, or if the join

Jakarta Persistence (JPA) Method in jakarta.persistence.IdClass Class value The primary key class, which must declare fields or properties with names and types that match the Id fields and properties of the annotated entity class. Since: Jakarta Persistence (JPA) 1.0

Map specifying property settings. This method returns a new EntityManager instance each time ... - properties for entity manager Returns: entity manager instance. Throws: IllegalStateException

of properties . This method returns a new EntityManager instance each time it is invoked. The EntityManager ... - how and when the entity manager should be synchronized with the current JTA transaction map - properties

Jakarta Persistence (JPA) Method in jakarta.persistence.EntityManagerFactory Map getProperties() Get the properties and associated values that are in effect for the entity manager factory. Changing the contents of the map does not change the configuration in effect. Returns: properties . Throws

Jakarta Persistence (JPA) Method in jakarta.persistence.EntityManager Map getProperties() The properties and hints and their associated values which are in effect for this entity manager. Modifying ... of properties and hints currently in effect. Since: Jakarta Persistence (JPA) 2.0

and properties declared by the entity class. Each class in the hierarchy has its own table, but that table does not contain columns mapped to inherited fields or properties , and so the state of an entity

Jakarta Persistence (JPA) Method in jakarta.persistence.AssociationOverride String name (Required) The name of the relationship property whose mapping is being overridden if property -based access is being used, or the name of the relationship field if field-based access is used. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.Query Map getHints() Get the properties and hints and associated values that are in effect for the query instance. Returns: query properties and hints. Since: Jakarta Persistence (JPA) 2.0

Jakarta Persistence (JPA) Annotation Type jakarta.persistence.GeneratedValue Implemented Interfaces: Annotation Target: Method, Field Specifies a generation strategy for generated primary keys. The GeneratedValue annotation may be applied to a primary key property or field of an entity or mapped

", referencedColumnName = "ID")) This annotation may not be applied to a persistent field or property not annotated

mapped to a database table. The persistent fields and properties of a mapped superclass are declared

Jakarta Persistence (JPA) Annotation Type jakarta.persistence.Embedded Implemented Interfaces: Annotation Target: Method, Field Declares a persistent field or property of an entity whose value is an instance of an embeddable class. The embeddable class must be annotated as Embeddable

of the collection. This element is optional only if the collection field or property is defined using Java

[] fields Maps the columns specified in the SELECT list of the query to the properties or fields

-valued properties or fields. Since: Jakarta Persistence (JPA) 2.0 Public Instance Methods Class

property -based access. Since: Jakarta Persistence (JPA) 1.0 Additional JDK methods inherited from java

the second-level cache. Enumerates legal values of the property jakarta.persistence.cache

, even when the data is already cached. Enumerates legal values of the property jakarta.persistence.cache

Jakarta Persistence (JPA) Interface jakarta.persistence.SchemaManager Allows programmatic schema creation , schema validation , data cleanup , and schema cleanup for entities belonging to a certain persistence unit. Properties are inherited from the EntityManagerFactory

properties of the entity are mapped to the primary table. If no primary key join columns are specified

Jakarta Persistence (JPA) Annotation Type jakarta.persistence.QueryHint Implemented Interfaces: Annotation Used to supply a query property or hint to the NamedQuery or NamedNativeQuery annotation. Vendor-specific hints that are not recognized by a provider are ignored. Since: Jakarta Persistence

. Since: Jakarta Persistence (JPA) 1.0 QueryHint[] hints Query properties and hints. (May include vendor-specific

.0 QueryHint[] hints (Optional) Query properties and hints. May include vendor-specific query hints

column. Defaults to the concatenation of the name of the referencing property or field

Jakarta Persistence (JPA) Method in jakarta.persistence.AttributeOverrides AttributeOverride[] value (Required) One or more field or property mapping overrides. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.Basic FetchType fetch (Optional) Whether the value of the field or property should be lazily loaded or must be eagerly fetched. The EAGER strategy is a requirement on the persistence provider runtime that the associated entity must be eagerly

Jakarta Persistence (JPA) Method in jakarta.persistence.PersistenceProperty String name The name of the property Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.PersistenceProperty String value The value of the property Since: Jakarta Persistence (JPA) 1.0

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

Jakarta Persistence (JPA) Method in jakarta.persistence.EntityResult FieldResult[] fields Maps the columns specified in the SELECT list of the query to the properties or fields of the entity class. Default: {} Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.FieldResult String name Name of the persistent field or property of the class. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.OneToOne Class targetEntity (Optional) The entity class that is the target of the association. Defaults to the type of the field or property that stores the association. Default: void/class Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.OneToMany Class targetEntity (Optional) The entity class that is the target of the association. Optional only if the collection property is defined using Java generics. Must be specified otherwise. Defaults to the parameterized type

Jakarta Persistence (JPA) Method in jakarta.persistence.OrderBy String value An orderby_list . Specified as follows: orderby_list::= orderby_item [,orderby_item]* orderby_item::= [ property _or_field_name] [ASC | DESC] If ASC or DESC is not specified, ASC (ascending order) is assumed

Jakarta Persistence (JPA) Method in jakarta.persistence.OrderColumn String name (Optional) The name of the ordering column. Defaults to the concatenation of the name of the referencing property or field; " _ "; " ORDER ". Default: "" Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.Persistence EntityManagerFactory createEntityManagerFactory (    PersistenceConfiguration configuration ) Create and return an EntityManagerFactory for the named persistence unit, using the given properties . Parameters

Jakarta Persistence (JPA) Method in jakarta.persistence.NamedNativeQuery QueryHint[] hints Query properties and hints. (May include vendor-specific query hints.) Default: {} Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.NamedQuery QueryHint[] hints (Optional) Query properties and hints. May include vendor-specific query hints. Default: {} Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Enum Constant in jakarta.persistence.EnumType ORDINAL Persist enumerated type property or field as an integer. The ordinal value of an enum instance with no EnumeratedValue field is the value of its Enum.java.lang.Enum/ordinal() member. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Enum Constant in jakarta.persistence.EnumType STRING Persist enumerated type property or field as a string. The string value of an enum instance with no EnumeratedValue field is the value of its Enum.java.lang.Enum/name() member. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.NamedStoredProcedureQuery QueryHint[] hints Query properties and hints. (May include vendor-specific query hints.) Default: {} Since: Jakarta Persistence (JPA) 1.0

relationship field or property ; " _ "; " KEY ". Default: "" Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.MapKey String name (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

of the referencing relationship property or field of the referencing entity or embeddable class; " _ "; " KEY ". Default: "" Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.MapKeyJoinColumn boolean unique (Optional) Whether the property is a unique key. This is a shortcut for the UniqueConstraint annotation at the table level and is useful for when the unique key constraint is only a single field. Default: false Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.JoinColumn boolean unique (Optional) Whether the property is a unique key. This is a shortcut for the UniqueConstraint annotation at the table level and is useful for when the unique key constraint is only a single field. It is not necessary

Jakarta Persistence (JPA) Method in jakarta.persistence.ManyToOne Class targetEntity (Optional) The entity class that is the target of the association. Defaults to the type of the field or property that stores the association. Default: void/class Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.ManyToMany Class targetEntity (Optional) The entity class that is the target of the association. Optional only if the collection-valued relationship property is defined using Java generics. Must be specified otherwise. Defaults