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JPA Method in jakarta.persistence.EntityManagerFactory EntityManager createEntityManager () Create a new application-managed EntityManager . This method returns a new EntityManager instance each time it is invoked. The EntityManager.isOpen method will return true on the returned instance. Return

will return true on the returned instance. Parameters: synchronizationType - how and when the entity manager

time it is invoked. The EntityManager.isOpen method will return true on the returned instance

and continue. Parameters: createSchemas - if {@code true } , attempt to create schemas, otherwise, assume the schemas already exist Since: JPA 3.2

will return true on the returned instance. Parameters: map - properties for entity manager Return: entity

, or it may ignore the problem and continue. Parameters: dropSchemas - if {@code true } , drop schemas, otherwise, leave them be Since: JPA 3.2

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

. Since: JPA 1.0 boolean optional default true (Optional) Whether the association is optional. If set

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

JPA Method in jakarta.persistence.criteria.Subquery Subquery distinct (   boolean distinct ) Specify whether duplicate query results are eliminated. A true value will cause duplicates to be eliminated. A false value will cause duplicates to be retained. If distinct has not

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

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

ENABLE_SELECTIVE Caching is enabled for all entities for which Cacheable( true ) is specified

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

whether the entity manager is open. Return: true until the entity manager has been closed Since: JPA 1.0

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 Method in jakarta.persistence.PersistenceUnitUtil void load (   Object entity ) Load the persistent state of an entity belonging to the persistence unit and to an open persistence context. After this method returns, isLoaded must return true with the given entity instance

returns, isLoaded must return true with the given entity instance and attribute. Parameters: entity

. After this method returns, isLoaded must return true with the given entity instance and attribute. Parameters

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

state has not been loaded or if the attribute state has not been loaded, else true Since: JPA 3.2

JPA Method in jakarta.persistence.criteria.CriteriaBuilder Predicate isNotMember (   E elem,     Expression  collection ) Create a predicate that tests whether an element is not a member of a collection. If the collection is empty, the predicate will be true

JPA Method in jakarta.persistence.criteria.AbstractQuery AbstractQuery distinct (   boolean distinct ) Specify whether duplicate query results are eliminated. A true value will cause duplicates to be eliminated. A false value will cause duplicates to be retained. If distinct has not

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

will be true . Parameters: elem - element expression collection - expression Return: is-not-member predicate Since: JPA 2.0

of these properties override any values that may have been configured elsewhere. Return: true if schema

whether duplicate query results are eliminated. A true value will cause duplicates to be eliminated

JPA Enum Constant in jakarta.persistence.SharedCacheMode ENABLE_SELECTIVE Caching is enabled for all entities for which Cacheable( true ) is specified. All other entities are not cached. Since: JPA 2.0

JPA Method in jakarta.persistence.criteria.CriteriaBuilder Predicate conjunction () Create a conjunction (with zero conjuncts). A conjunction with zero conjuncts is true . Return: and predicate Since: JPA 2.0

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

JPA Method in jakarta.persistence.criteria.CriteriaBuilder Predicate isTrue (    Expression  x ) Create a predicate testing for a true value. Parameters: x - expression to be tested Return: predicate Since: JPA 2.0

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

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

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

JPA Method in jakarta.persistence.criteria.CriteriaBuilder Predicate and (   List  restrictions ) Create a conjunction of the given restriction predicates. A conjunction of zero predicates is true . Parameters: restrictions - a list of zero or more restriction predicates Return: and predicate Since: JPA 3.2

JPA Method in jakarta.persistence.criteria.CriteriaBuilder Predicate and (   Predicate... restrictions ) Create a conjunction of the given restriction predicates. A conjunction of zero predicates is true . Parameters: restrictions - zero or more restriction predicates Return: and predicate Since: JPA 2.0

any values that may have been configured elsewhere. Return: true if schema was generated

id attribute. Returns true for a simple id or embedded id; returns false for an idclass. Return

hasSingleIdAttribute () Whether the identifiable type has a single id attribute. Returns true

method will return true on the returned instance. Parameters: synchronizationType