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Jakarta Persistence (JPA) Method in jakarta.persistence.criteria.CriteriaBuilder Expression values (    M map ) Create an expression that returns the values of a map . Parameters: map - map Returns: collection expression. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.criteria.CriteriaBuilder Expression keys (    M map ) Create an expression that returns the keys of a map . Parameters: map - map Returns: set expression. Since: Jakarta Persistence (JPA) 1.0

[] joinColumns 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. The joinColumns element must not be specified if a join table is used in the overriding of the mapping

Jakarta Persistence (JPA) Method in jakarta.persistence.AttributeNode Map getSubgraphs() Return a map of subgraphs associated with this attribute node. Returns: a Map of subgraphs associated with this attribute node or an empty Map if none have been defined. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Annotation Type jakarta.persistence.JoinColumns Implemented Interfaces: Annotation Target: Method, Field Specifies the mapping for composite foreign keys. This annotation ... Persistence (JPA) 1.0 Annotation Elements JoinColumn[] value The join columns that map the relationship

) If the attribute references a Map type, this element can be used to specify a subgraph for the Key in the case of an Entity key type. A keySubgraph can not be specified without the Map attribute

to map the SELECT clause of a SQL query to a constructor. Applies a constructor for the target class ... ColumnResult[] columns (Required) The mapping of columns in the SELECT list to the arguments

mapping descriptor. The target type for a converter is determined by the actual type argument of the first ... must automatically apply the converter to every mapped attribute of the specified target type belonging to any

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

embeddable class . Must be specified if the collection is to be mapped by means of a collection table. The CollectionTable annotation specifies a mapping to a database table. Example: @Entity public class

Jakarta Persistence (JPA) Annotation Type jakarta.persistence.EntityListeners Implemented Interfaces: Annotation Target: Type Specifies the callback listener classes to be used for an entity or mapped superclass. This annotation may be applied to an entity class or mapped superclass. The specified

Persistence (JPA) 1.0 MapJoin correlate ( MapJoin parentMap ) Create a subquery map join object correlated to a map join object of the enclosing query. Parameters: parentMap - join object of the containing

Since: Jakarta Persistence (JPA) 1.0 LIST List-valued attribute Since: Jakarta Persistence (JPA) 1.0 MAP Map -valued attribute Since: Jakarta Persistence (JPA) 1.0 SET Set-valued attribute Since: Jakarta

) Since: Jakarta Persistence (JPA) 3.2 Public Instance Methods Map getHints () A map keyed by hint name

one of its mapped superclasses. The Version field or property should be mapped to the primary table

MAPPED _SUPERCLASS Mapped superclass Since: Jakarta Persistence (JPA) 1.0 Synthetic Public Static

Jakarta Persistence (JPA) Annotation Type jakarta.persistence.AttributeOverrides Implemented Interfaces: Annotation Target: Type, Method, Field Used to override mappings of multiple properties or ... property mapping overrides. Since: Jakarta Persistence (JPA) 1.0 Additional JDK methods inherited from

mapping to the database representation. A converted field or property is considered Basic ... class must be annotated Converter or declared as a converter in the object/relational mapping

Jakarta Persistence (JPA) Annotation Type jakarta.persistence.AssociationOverrides Implemented Interfaces: Annotation Target: Type, Method, Field Used to override mappings of multiple relationship ... ) The association override mappings that are to be applied to the relationship field or property

Jakarta Persistence (JPA) Annotation Type jakarta.persistence.Column Implemented Interfaces: Annotation Target: Method, Field Specifies the column mapped by the annotated persistent property or ... entailed by the primary key mapping and to constraints specified at the table level. Default: false

properties of the entity are mapped to the primary table. If no primary key join columns are specified ... primary key mappings . Defaults to no additional constraints. Default: {} Since: Jakarta Persistence (JPA

result set can be retrieved through getOutputParameterValue . Result set mappings are applied ... Query Returns: flush mode. Since: Jakarta Persistence (JPA) 2.0 Map getHints () Get the properties

Jakarta Persistence (JPA) Annotation Type jakarta.persistence.Table Implemented Interfaces: Annotation Target: Type Specifies the primary table mapped by the annotated entity type. Additional tables ... by the Column and JoinColumn annotations and constraints entailed by primary key mappings . Defaults

.find(Class, Object, LockModeType, java.util. Map ) EntityManager.lock(Object, LockModeType) EntityManager.lock(Object, LockModeType, java.util. Map ) Since: Jakarta Persistence (JPA) 1.0 Public Constructors

is otherwise mapped to a secondary table, this entails locking the row(s) for the entity instance in the additional ... relationships that are mapped to join tables or unidirectional one-to-many relationships

Jakarta Persistence (JPA) Method in jakarta.persistence.AttributeOverride Column column (Required) The column that is being mapped to the persistent attribute. The mapping type will remain the same as is defined in the embeddable class or mapped superclass. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.EntityManagerFactory Map getNamedQueries ... types A map keyed by query name , containing references to every named query whose result type ... meaning all queries Returns: a map keyed by query name. Since: Jakarta Persistence (JPA) 3.2

Jakarta Persistence (JPA) Method in jakarta.persistence.EntityManagerFactory Map ... graph types A map keyed by graph name , containing every named entity graph whose entity type ... all entity graphs Returns: a map keyed by graph name. Since: Jakarta Persistence (JPA) 3.2

invocation. Parameters: resultSetMappings - the names of the result set mappings to be used in mapping ... procedure or result set mapping of the given name does not exist (or the query execution will fail). Since: Jakarta Persistence (JPA) 1.0

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 the contents of the returned map does not change the configuration in effect. Returns: a map

The class of each query result. If a result set mapping is specified, the specified result class must agree with the type inferred from the result set mapping . If a resultClass is not explicitly specified, then it is inferred from the result set mapping , if any, or defaults to Object or Object

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. If the primary key is a composite primary key and is mapped as IdClass , an instance of the primary

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

relationship mappings other than the cases described here, the referenced column is in the table of the target entity. When used with a unidirectional OneToMany foreign key mapping , the referenced column ... join definition. When used in a CollectionTable mapping , the referenced column is in the table

Jakarta Persistence (JPA) Method in jakarta.persistence.criteria.From MapJoin join (    MapAttribute map ,    JoinType jt ) Create a join to the specified Map -valued attribute using the given join type. Parameters: jt - join type map - target of the join Returns: the resulting join. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.criteria.From MapJoin join (    MapAttribute map ) Create an inner join to the specified Map -valued attribute. Parameters: map - target of the join Returns: the resulting join. Since: Jakarta Persistence (JPA) 1.0

key column of the primary table of the superclass ( JOINED mapping strategy); the same name as the primary key column of the primary table ( SecondaryTable mapping ); or the same name as the primary key column for the table for the referencing entity ( OneToOne mapping ). Default: "" Since: Jakarta Persistence (JPA) 1.0

to the same name as the primary key column of the primary table of the superclass ( JOINED mapping strategy); the same name as the primary key column of the primary table ( SecondaryTable mapping ); or the same name as the primary key column for the table for the referencing entity ( OneToOne mapping ). Default: "" Since: Jakarta Persistence (JPA) 1.0

The join table that maps the relationship. The joinTable element must be specified if a join table is used in the overriding of the mapping of the relationship. The joinTable element must not be specified if a foreign key mapping is used in the overriding of the relationship. Default: @JoinTable Since: Jakarta Persistence (JPA) 2.0

Jakarta Persistence (JPA) Method in jakarta.persistence.metamodel.ManagedType Set getPluralAttributes() Return all multi-valued attributes (Collection-, Set-, List-, and Map -valued attributes ... : Collection-, Set-, List-, and Map -valued attributes. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.metamodel.ManagedType Set getDeclaredPluralAttributes() Return all multi-valued attributes (Collection-, Set-, List-, and Map -valued ... attributes. Returns: declared Collection-, Set-, List-, and Map -valued attributes. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.metamodel.IdentifiableType IdentifiableType getSupertype() Return the identifiable type that corresponds to the most specific mapped superclass or entity extended by the entity or mapped superclass. Returns: supertype of identifiable type or

Jakarta Persistence (JPA) Method in jakarta.persistence.TypedQueryReference Map getHints() A map keyed by hint name of all hints specified via NamedQuery.hints or NamedNativeQuery.hints . Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.criteria.Subquery MapJoin correlate (    MapJoin parentMap ) Create a subquery map join object correlated to a map join object of the enclosing query. Parameters: parentMap - join object of the containing query Returns: subquery 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

Jakarta Persistence (JPA) Method in jakarta.persistence.criteria.MapJoin Path key() Create a path expression that corresponds to the map key. Returns: path corresponding to map key. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.criteria.MapJoin Path value() Create a path expression that corresponds to the map value. This method is for stylistic use only: it just returns this. Returns: path corresponding to the map value. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.criteria.MapJoin Expression entry() Create an expression that corresponds to the map entry. Returns: expression corresponding to the map entry. Since: Jakarta Persistence (JPA) 1.0

. If a joined inheritance strategy is used, or if the entity is otherwise mapped to a secondary table ... and relationships for which the entity does not contain the foreign key (such as relationships that are mapped

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