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Jakarta Persistence (JPA) Method in jakarta.persistence.EntityManager boolean contains (    Object entity ) Determine if the given object is a managed entity instance belonging to the current persistence context. Parameters: entity - entity instance Returns: boolean value indicating

Jakarta Persistence (JPA) Method in jakarta.persistence.criteria.From boolean isCorrelated() Whether the From object has been obtained as a result of correlation (use of a Subquery.correlate method). Returns: boolean indicating whether the object has been obtained through correlation. Since: Jakarta Persistence (JPA) 1.0

of the update according to the specified boolean expression. Replaces the previously added restriction(s), if any. Parameters: restriction - a simple or compound boolean expression Returns: the modified update query. Since: Jakarta Persistence (JPA) 1.0

of the deletion according to the specified boolean expression. Replaces the previously added restriction(s), if any. Parameters: restriction - a simple or compound boolean expression Returns: the modified delete query. Since: Jakarta Persistence (JPA) 1.0

to the specified boolean expression. Replaces the previously added restriction(s), if any. This method ... - a simple or compound boolean expression Returns: the modified query. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.Cache boolean contains (    Class cls ,    Object primaryKey ) Whether the cache contains data for the given entity. Parameters: cls - entity class primaryKey - primary key Returns: boolean indicating whether the entity is in the cache. Since: Jakarta Persistence (JPA) 1.0

, following the BNF rule column_list given above. Since: Jakarta Persistence (JPA) 1.0 boolean unique

specified, defaults to EAGER . Default: FetchType.EAGER Since: Jakarta Persistence (JPA) 1.0 boolean

that are included in this graph. Default: {} Since: Jakarta Persistence (JPA) 1.0 boolean

. See Also: AttributeConverter Convert Since: Jakarta Persistence (JPA) 2.1 Annotation Elements boolean autoApply

, defaults to EAGER . Default: FetchType.EAGER Since: Jakarta Persistence (JPA) 1.0 boolean optional

Cache article explains how to use Cacheable . Annotation Elements boolean value (Optional) Whether or

Persistence (JPA) 1.0 boolean orphanRemoval (Optional) Whether to apply the remove operation to entities

Jakarta Persistence (JPA) Method in jakarta.persistence.PersistenceUnitUtil boolean isLoaded (    Object entity ) Determine the load state of an entity belonging to the persistence unit. This method can be used to determine the load state of an entity passed as a reference. An entity

Jakarta Persistence (JPA) Method in jakarta.persistence.PersistenceUnitUtil boolean isLoaded (    Object entity ,    String attributeName ) Determine the load state of a given persistent attribute of an entity belonging to the persistence unit. Parameters: attributeName - name

Jakarta Persistence (JPA) Method in jakarta.persistence.PersistenceUnitUtil boolean isLoaded (    E entity ,    Attribute attribute ) Determine the load state of a given persistent attribute of an entity belonging to the persistence unit. Parameters: attribute - attribute

. Parameters: restriction - a simple or compound boolean expression Returns: the modified join object. Since: Jakarta Persistence (JPA) 2.1

boolean expression Returns: the modified query. Since: Jakarta Persistence (JPA) 1.0

. Returns: list of boolean expressions forming the predicate. Since: Jakarta Persistence (JPA) 1.0

- a simple or compound boolean expression Returns: the modified join object. Since: Jakarta Persistence (JPA) 2.1

of the corresponding AbstractQuery method. Parameters: restriction - a simple or compound boolean expression Returns: the modified subquery. Since: Jakarta Persistence (JPA) 1.0

: restriction - a simple or compound boolean expression Returns: the modified join object. Since: Jakarta Persistence (JPA) 2.1

- a simple or compound boolean expression Returns: the modified join object. Since: Jakarta Persistence (JPA) 2.1

- a simple or compound boolean expression Returns: the modified join object. Since: Jakarta Persistence (JPA) 2.1

Jakarta Persistence (JPA) Method in jakarta.persistence.StoredProcedureQuery boolean execute() Return true if the first result corresponds to a result set, and false if it is an update count or if there are no results other than through INOUT and OUT parameters, if any. Returns: true if first

Jakarta Persistence (JPA) Method in jakarta.persistence.StoredProcedureQuery boolean hasMoreResults() Return true if the next result corresponds to a result set, and false if it is an update count or if there are no results other than through INOUT and OUT parameters, if any. Returns: true

Jakarta Persistence (JPA) Method in jakarta.persistence.Graph boolean hasAttributeNode (    String attributeName ) Determine if there is an existing attribute node for the attribute with the given name. Parameters: attributeName - name of the attribute Returns: true

Jakarta Persistence (JPA) Method in jakarta.persistence.Graph boolean hasAttributeNode (    Attribute attribute ) Determine if there is an existing attribute node for the given attribute. Parameters: attribute - attribute Returns: true if there is an existing attribute node. Since: Jakarta Persistence (JPA) 3.2

Jakarta Persistence (JPA) Method in jakarta.persistence.Index boolean unique (Optional) Whether the index is unique. Default: false Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.EntityManager boolean isOpen() Determine whether the entity manager is open. Returns: true until the entity manager has been closed. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.OneToMany boolean orphanRemoval (Optional) Whether to apply the remove operation to entities that have been removed from the relationship and to cascade the remove operation to those entities. Default: false Since: Jakarta Persistence (JPA) 2.0

Jakarta Persistence (JPA) Method in jakarta.persistence.OrderColumn boolean nullable (Optional) Whether the database column is nullable. Default: true Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.OrderColumn boolean insertable (Optional) Whether the column is included in SQL INSERT statements generated by the persistence provider. Default: true Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.OneToOne boolean optional (Optional) Whether the association is optional. If set to false then a non-null relationship must always exist. Default: true Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.OneToOne boolean orphanRemoval (Optional) Whether to apply the remove operation to entities that have been removed from the relationship and to cascade the remove operation to those entities. Default: false Since: Jakarta Persistence (JPA) 2.0

Jakarta Persistence (JPA) Method in jakarta.persistence.Persistence.PersistenceUtilImpl boolean isLoaded (    Object entity ,    String attributeName ) Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.Persistence.PersistenceUtilImpl boolean isLoaded (    Object entity ) Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.OrderColumn boolean updatable (Optional) Whether the column is included in SQL UPDATE statements generated by the persistence provider. Default: true Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.NamedEntityGraph boolean includeAllAttributes (Optional) Includes all of the attributes of the annotated entity class as attribute nodes in the NamedEntityGraph without the need to explicitly list them. Included attributes can still be fully

Jakarta Persistence (JPA) Method in jakarta.persistence.MapKeyColumn boolean unique (Optional) Whether the column 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 corresponds to only a single column

Jakarta Persistence (JPA) Method in jakarta.persistence.MapKeyColumn boolean nullable (Optional) Whether the database column is nullable. Default: false Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.MapKeyColumn boolean insertable (Optional) Whether the column is included in SQL INSERT statements generated by the persistence provider. Default: true Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.ManyToOne boolean optional (Optional) Whether the association is optional. If set to false then a non-null relationship must always exist. May be used in schema generation to infer that the mapped foreign key column is not null . Default: true Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.MapKeyColumn boolean updatable (Optional) Whether the column is included in SQL UPDATE statements generated by the persistence provider. Default: true Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.MapKeyJoinColumn boolean insertable (Optional) Whether the column is included in SQL INSERT statements generated by the persistence provider. Default: true Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.MapKeyJoinColumn boolean updatable (Optional) Whether the column is included in SQL UPDATE statements generated by the persistence provider. Default: true 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.MapKeyJoinColumn boolean nullable (Optional) Whether the foreign key column is nullable. Default: false Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.JoinColumn boolean updatable (Optional) Whether the column is included in SQL UPDATE statements generated by the persistence provider. Default: true 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