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

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

JPA Annotation Attribute in jakarta.persistence.MapKeyColumn boolean nullable default false (Optional) Whether the database column is nullable. Since: JPA 2.0

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

AbstractQuery method. Parameters: restriction - a simple or compound boolean expression Return: the modified subquery Since: JPA 2.0

boolean orphanRemoval default false (Optional) Whether to apply the remove operation to entities

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. Return: true if next result corresponds

JPA Annotation Attribute in jakarta.persistence.ManyToOne boolean optional default true (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 . Since: JPA 1.0

JPA Annotation Attribute in jakarta.persistence.MapKeyColumn boolean unique default false (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

Attributes boolean value default true (Optional) Whether or not the entity should be cached. Since: JPA 2.0

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 Return: true if there is an existing attribute node Since: JPA 3.2

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 Return: true if there is an existing attribute node

, defaults to EAGER . Since: JPA 1.0 boolean optional default true (Optional) Whether the association

JPA Annotation Attribute in jakarta.persistence.Cacheable boolean value default true (Optional) Whether or not the entity should be cached. Since: JPA 2.0

. Since: JPA 1.0 boolean optional default true (Optional) Specifies whether the value of the field or

JPA Method in jakarta.persistence.PersistenceUnitUtil boolean isInstance (   Object entity,    Class  entityClass ) Return true if the given entity belonging to the persistence unit and to an open persistence context is an instance of the given entity class, or

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

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

JPA Annotation Attribute in jakarta.persistence.Column boolean updatable default true (Optional) Whether the column is included in SQL UPDATE statements generated by the persistence provider. Since: JPA 1.0

JPA Annotation Attribute in jakarta.persistence.OrderColumn boolean nullable default true (Optional) Whether the database column is nullable. Since: JPA 2.0

JPA Annotation Attribute in jakarta.persistence.Column boolean insertable default true (Optional) Whether the column is included in SQL INSERT statements generated by the persistence provider. Since: JPA 1.0

. Replaces the previous ON condition, if any. Parameters: restriction - a simple or compound boolean

- a simple or compound boolean expression Return: the modified join object Since: JPA 2.1

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: entity - entity instance

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. Return: true if first result corresponds

JPA Annotation Attribute in jakarta.persistence.Column boolean nullable default true (Optional) Whether the database column is nullable. Since: JPA 1.0

JPA Method in jakarta.persistence.criteria.AbstractQuery AbstractQuery having (    Expression  restriction ) Specify a restriction over the groups of the query. Replaces the previous having restriction(s), if any. Parameters: restriction - a simple or compound boolean expression Return: the modified query Since: JPA 2.0

JPA Annotation Attribute in jakarta.persistence.Column boolean unique default false (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

Since: JPA 2.1 boolean generateSchema (String persistenceUnitName, Map  map) Create

Since: JPA 1.0 boolean excludeUnlistedClasses () Returns whether classes in the root of the persistence

JPA Annotation Attribute in jakarta.persistence.Converter boolean autoApply default false Specifies whether the annotated converter should be automatically applied to attributes of the target type. Since: JPA 2.1

. See Also: AttributeConverter Convert Since: JPA 2.1 Public Annotation Attributes boolean autoApply default

JPA Annotation Attribute in jakarta.persistence.Convert boolean disableConversion default false Disables an plain or inherited converter. If disableConversion = true , the converter element should not be specified. Since: JPA 2.1

compound boolean expression Return: the modified join object Since: JPA 2.1

JPA Method in jakarta.persistence.spi.PersistenceUnitInfo boolean excludeUnlistedClasses () Returns whether classes in the root of the persistence unit that have not been explicitly listed are to be included in the set of managed classes. This value corresponds to the exclude-unlisted-classes

the previous ON condition, if any. Parameters: restriction - a simple or compound boolean expression Return

JPA Annotation Attribute in jakarta.persistence.JoinColumn boolean updatable default true (Optional) Whether the column is included in SQL UPDATE statements generated by the persistence provider. Since: JPA 1.0

compound boolean expression Return: the modified join object Since: JPA 2.1

JPA Annotation Attribute in jakarta.persistence.JoinColumn boolean insertable default true (Optional) Whether the column is included in SQL INSERT statements generated by the persistence provider. Since: JPA 1.0

- a simple or compound boolean expression Return: the modified join object Since: JPA 2.1 MapJoin

. Since: JPA 2.1 boolean disableConversion default false Disables an plain or inherited converter

JPA Annotation Attribute in jakarta.persistence.Basic boolean optional default true (Optional) Specifies whether the value of the field or property may be null. This is a hint and is disregarded for primitive types; it may be used in schema generation to infer that the mapped column is not null . If not specified, defaults to true . Since: JPA 1.0

JPA Annotation Attribute in jakarta.persistence.JoinColumn boolean nullable default true (Optional) Whether the foreign key column is nullable. Since: JPA 1.0

JPA Annotation Attribute in jakarta.persistence.JoinColumn boolean unique default false (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

JPA Method in jakarta.persistence.spi.PersistenceProvider boolean generateSchema (   String persistenceUnitName,    Map  map ) Create database schemas and/or tables and/or create DDL scripts as determined by the supplied properties. Called by the Persistence

) A list of attributes of the entity that are included in this graph. Since: JPA 2.1 boolean

compound boolean expression Return: the modified join object Since: JPA 2.1

JPA Annotation Attribute in jakarta.persistence.NamedEntityGraph boolean includeAllAttributes default false (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

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

. Since: JPA 3.2 boolean unique default false (Optional) Whether the index is unique. Since: JPA 2.1