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the environment created the entity. Since: JPA 2.0 Public Methods boolean isLoaded (Object entity ... Since: JPA 2.0 boolean isLoaded (Object entity, String attributeName) Determine

to the specified boolean expression. Replaces the previously added restriction(s), if any. Parameters: restriction - a simple or compound boolean expression Return: the modified delete query Since: JPA 2.1

JPA Method in jakarta.persistence.criteria.Predicate Predicate.BooleanOperator getOperator () Return the boolean operator for the predicate. If the predicate is simple, this is AND . Return: boolean operator for the predicate Since: JPA 2.0

JPA Method in jakarta.persistence.EntityManagerFactory boolean isOpen () Indicates whether the factory is open. Returns true until the factory has been closed. Return: boolean indicating whether the factory is open Since: JPA 1.0

, either resource-local transaction management, or JTA. Since: JPA 3.2 boolean isOpen () Indicates whether the factory is open. Returns true until the factory has been closed. Return: boolean indicating

.getSchemaManager () Since: JPA 3.2 Public Methods void create ( boolean  createSchemas) Create database ... already exist Since: JPA 3.2 void drop ( boolean  dropSchemas) Drop database objects mapped by

JPA Method in jakarta.persistence.metamodel.Attribute boolean isAssociation () Is the attribute an association. Return: boolean indicating whether the attribute corresponds to an association Since: JPA 2.0

JPA Method in jakarta.persistence.metamodel.Attribute boolean isCollection () Is the attribute collection-valued (represents a Collection , Set , List , or Map ). Return: boolean indicating whether the attribute is collection-valued Since: JPA 2.0

. Since: JPA 1.0 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 boolean orphanRemoval default

JPA Method in jakarta.persistence.criteria.Subquery Subquery distinct (    boolean  distinct ) Specify whether duplicate query results are eliminated. A true value will cause duplicates ... of the corresponding AbstractQuery method. Parameters: distinct - boolean value specifying whether duplicate

was defined. Return: managed type referenced by the subgraph Since: JPA 2.1 boolean hasAttributeNode ... : Graph Since: JPA 3.2 boolean hasAttributeNode (String attributeName) Determine

Since: JPA 3.2 boolean hasAttributeNode ( Attribute  attribute) Determine if there is an existing ... if there is an existing attribute node Since: JPA 3.2 boolean hasAttributeNode (String attributeName) Determine

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 Return: boolean indicating whether the entity is in the cache Since: JPA 2.0

Since: JPA 2.0 boolean isCompoundSelection () Whether the selection item is a compound selection. Return: boolean indicating whether the selection is a compound selection Inherited from: Selection Since: JPA 2.0

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). Return: boolean indicating whether the object has been obtained through correlation Since: JPA 2.0

if no parent. Return: parent Inherited from: Path Since: JPA 2.0 boolean isCorrelated () Whether the From ... : boolean indicating whether the object has been obtained through correlation Since: JPA 2.0 Join join

JPA Method in jakarta.persistence.criteria.AbstractQuery AbstractQuery distinct (    boolean  distinct ) Specify whether duplicate query results are eliminated. A true value will cause ... been specified, duplicate results must be retained. Parameters: distinct - boolean value specifying

JPA Method in jakarta.persistence.criteria.AbstractQuery boolean isDistinct () Return whether duplicate query results must be eliminated or retained. Return: boolean indicating whether duplicate query results must be eliminated Since: JPA 2.0

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 Return: boolean value indicating if entity belongs

boolean expression. Replaces the previously added restriction(s), if any. Parameters: restriction - a simple or compound boolean expression Return: the modified query Since: JPA 2.0

to the specified boolean expression. Replaces the previously added restriction(s), if any. Parameters: restriction - a simple or compound boolean expression Return: the modified update query Since: JPA 2.1

: the {@linkplain Nulls precedence of null values} Since: JPA 3.2 boolean isAscending () Whether ascending ordering is in effect. Return: boolean indicating whether ordering is ascending Since: JPA 2.0 Order

JPA Method in jakarta.persistence.EntityTransaction boolean getRollbackOnly () Determine whether the current resource transaction has been marked for rollback. Return: boolean indicating whether the transaction has been marked for rollback Throws: IllegalStateException - if {@link #isActive()} is false Since: JPA 1.0

JPA Method in jakarta.persistence.criteria.Order boolean isAscending () Whether ascending ordering is in effect. Return: boolean indicating whether ordering is ascending Since: JPA 2.0

JPA Method in javax.persistence.Cache boolean contains (   Class cls,    Object primaryKey ) Whether the cache contains data for the given entity. Parameters: cls - entity class primaryKey - primary key Return: boolean indicating whether the entity is in the cache Since: JPA 2.0

JPA Method in jakarta.persistence.EntityTransaction boolean isActive () Indicate whether a resource transaction is in progress. Return: boolean indicating whether transaction is in progress Throws: PersistenceException - if an unexpected error condition is encountered Since: JPA 1.0

JPA Method in jakarta.persistence.metamodel.IdentifiableType boolean hasVersionAttribute () Whether the identifiable type has a version attribute. Return: boolean indicating whether the identifiable type has a version attribute Since: JPA 2.0

boolean contains (Class  cls, Object primaryKey) Whether the cache contains data for the given entity. Parameters: cls - entity class primaryKey - primary key Return: boolean indicating

JPA Method in jakarta.persistence.metamodel.IdentifiableType boolean hasSingleIdAttribute () Whether the identifiable type has a single id attribute. Returns true for a simple id or embedded id; returns false for an idclass. Return: boolean indicating whether the identifiable type has a single id attribute Since: JPA 2.0

JPA Method in jakarta.persistence.EntityManager boolean isJoinedToTransaction () Determine whether the entity manager is joined to the current transaction. Returns false if the entity manager is not joined to the current transaction or if no transaction is active. Return: boolean Since: JPA 2.1

). Returns null if the EntityGraph is not a named EntityGraph . Since: JPA 2.1 boolean hasAttributeNode ... : Graph Since: JPA 3.2 boolean hasAttributeNode (String attributeName) Determine

JPA Method in jakarta.persistence.criteria.CriteriaQuery CriteriaQuery distinct (    boolean  distinct ) Specify whether duplicate query results are eliminated. A true value will cause ... of the corresponding AbstractQuery method. Parameters: distinct - boolean value specifying

JPA Method in jakarta.persistence.criteria.Subquery Subquery where (    Expression  restriction ) Modify the subquery to restrict the result according to the specified boolean ... type of the corresponding AbstractQuery method. Parameters: restriction - a simple or compound boolean expression Return: the modified subquery Since: JPA 2.0

JPA Method in jakarta.persistence.criteria.Selection boolean isCompoundSelection () Whether the selection item is a compound selection. Return: boolean indicating whether the selection is a compound selection Since: JPA 2.0

according to the specified boolean expression. Replaces the previously added restriction(s), if any. Parameters: restriction - a simple or compound boolean expression Return: the modified update query

boolean expression. Replaces the previously added restriction(s), if any. This method only overrides ... compound boolean expression Return: the modified query Since: JPA 2.0

: restriction - a simple or compound boolean expression Return: the modified join object Since: JPA 2

JPA Method in jakarta.persistence.criteria.Predicate List getExpressions () Return the top-level conjuncts or disjuncts of the predicate. Returns empty list if there are no top-level conjuncts or disjuncts of the predicate. Modifications to the list do not affect the query. Return: list of boolean expressions forming the predicate Since: JPA 2.0

JPA Method in jakarta.persistence.PersistenceUtil boolean isLoaded (   Object entity ) Determine the load state of an entity. This method can be used to determine the load state of an entity passed as a reference. An entity is considered loaded if all attributes for which FetchType

JPA Method in jakarta.persistence.PersistenceUtil boolean isLoaded (   Object entity,    String attributeName ) Determine the load state of a given persistent attribute. Parameters: entity - entity containing the attribute attributeName - name of attribute

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 is considered loaded

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: entity - entity instance

JPA Annotation Attribute in jakarta.persistence.MapKeyJoinColumn 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. Since: JPA 2.0

JPA Method in jakarta.persistence.SchemaManager void create (    boolean  createSchemas ) Create database objects mapped by entities belonging to the persistence unit. If a DDL operation fails, the behavior is undefined. A provider may throw an exception, or it may ignore the problem

JPA Method in jakarta.persistence.SchemaManager void drop (    boolean  dropSchemas ) Drop database objects mapped by entities belonging to the persistence unit, undoing the effects of the plain. If a DDL operation fails, the behavior is undefined. A provider may throw an exception

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

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

JPA Annotation Attribute in jakarta.persistence.OneToMany boolean orphanRemoval default false (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. Since: JPA 2.0

JPA Annotation Attribute in jakarta.persistence.OneToOne boolean orphanRemoval default false (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. Since: JPA 2.0