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the identifiable type. Since: Jakarta Persistence (JPA) 1.0 boolean hasSingleIdAttribute ... for an idclass. Inherited from IdentifiableType Returns: boolean indicating whether the identifiable type has a single id attribute. Since: Jakarta Persistence (JPA) 1.0 boolean hasVersionAttribute

type. Since: Jakarta Persistence (JPA) 1.0 boolean isAssociation () Is the attribute an association. Inherited from Attribute Returns: boolean indicating whether the attribute corresponds to an association. Since: Jakarta Persistence (JPA) 1.0 boolean isCollection () Is the attribute collection-valued

(JPA) 1.0 boolean isAssociation () Is the attribute an association. Inherited from Attribute Returns: boolean indicating whether the attribute corresponds to an association. Since: Jakarta Persistence (JPA) 1.0 boolean isCollection () Is the attribute collection-valued (represents a Collection , Set

: predicate testing for membership. Since: Jakarta Persistence (JPA) 1.0 boolean isCompoundSelection () Whether the selection item is a compound selection. Inherited from Selection Returns: boolean indicating whether the selection is a compound selection. Since: Jakarta Persistence (JPA) 1.0 boolean

Persistence (JPA) 1.0 boolean unique (Optional) Whether the column is a unique key ... Since: Jakarta Persistence (JPA) 1.0 boolean nullable (Optional) Whether the database column is nullable. Default: true Since: Jakarta Persistence (JPA) 1.0 boolean insertable (Optional

() The query timeout. Inherited from Query Since: Jakarta Persistence (JPA) 3.2 boolean isBound ( Parameter param ) Return a boolean indicating whether a value has been bound to the parameter. Inherited from Query Parameters: param - parameter object Returns: boolean indicating whether parameter

) 3.2 Integer getTimeout () The query timeout. Since: Jakarta Persistence (JPA) 3.2 boolean isBound ( Parameter param ) Return a boolean indicating whether a value has been bound to the parameter. Parameters: param - parameter object Returns: boolean indicating whether parameter has been bound

; " _ "; " ORDER ". Default: "" Since: Jakarta Persistence (JPA) 1.0 boolean nullable (Optional) Whether the database column is nullable. Default: true Since: Jakarta Persistence (JPA) 1.0 boolean insertable ... . Default: true Since: Jakarta Persistence (JPA) 1.0 boolean updatable (Optional) Whether the column

(JPA) 2.0 Public Instance Methods boolean isLoaded ( Object entity , String attributeName ... Persistence (JPA) 1.0 boolean isLoaded ( Object entity ) Determine the load state of an entity

in the graph or an empty list if none have been defined. Since: Jakarta Persistence (JPA) 1.0 boolean ... an attribute of this entity.. Since: Jakarta Persistence (JPA) 3.2 boolean hasAttributeNode ( Attribute

Employee { @Id long id; @Convert(converter = BooleanToIntegerConverter.class) boolean fullTime ... : "" Since: Jakarta Persistence (JPA) 1.0 boolean disableConversion Disables an auto-apply or

, either resource-local transaction management, or JTA. Since: Jakarta Persistence (JPA) 3.2 boolean ... . Returns: boolean indicating whether the factory is open. Since: Jakarta Persistence (JPA) 1.0 void

boolean hasAttributeNode ( String attributeName ) Determine if there is an existing attribute node ... - if the attribute is not an attribute of this entity.. Since: Jakarta Persistence (JPA) 3.2 boolean

boolean isCompoundSelection () Whether the selection item is a compound selection. Inherited from Selection Returns: boolean indicating whether the selection is a compound selection. Since: Jakarta

(JPA) 1.0 boolean isCompoundSelection () Whether the selection item is a compound selection. Inherited from Selection Returns: boolean indicating whether the selection is a compound selection

: the precedence of null values . Since: Jakarta Persistence (JPA) 3.2 boolean isAscending () Whether ascending ordering is in effect. Returns: boolean indicating whether ordering is ascending

Returns: the Java type of the tuple element. Since: Jakarta Persistence (JPA) 1.0 boolean isCompoundSelection () Whether the selection item is a compound selection. Returns: boolean indicating

: predicate testing for membership. Since: Jakarta Persistence (JPA) 1.0 boolean isCompoundSelection () Whether the selection item is a compound selection. Inherited from Selection Returns: boolean

: predicate testing for membership. Since: Jakarta Persistence (JPA) 1.0 boolean isCompoundSelection () Whether the selection item is a compound selection. Inherited from Selection Returns: boolean

boolean isCompoundSelection () Whether the selection item is a compound selection. Inherited from Selection Returns: boolean indicating whether the selection is a compound selection. Since: Jakarta Persistence (JPA) 1.0

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

) 1.0 boolean isCompoundSelection () Whether the selection item is a compound selection. Inherited from Selection Returns: boolean indicating whether the selection is a compound selection

Persistence (JPA) 1.0 boolean isCompoundSelection () Whether the selection item is a compound selection. Inherited from Selection Returns: boolean indicating whether the selection is a compound selection

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

) Entity Cache article explains how to use Cache . Public Instance Methods boolean contains ( Class cls ... class primaryKey - primary key Returns: boolean indicating whether the entity is in the cache

( boolean createSchemas ) Create database objects mapped by entities belonging to the persistence unit ... , otherwise, assume the schemas already exist Since: Jakarta Persistence (JPA) 1.0 void drop ( boolean

. Since: Jakarta Persistence (JPA) 1.0 boolean hasAttributeNode ( String attributeName ) Determine ... .. Since: Jakarta Persistence (JPA) 3.2 boolean hasAttributeNode ( Attribute attribute ) Determine

to EAGER . Default: FetchType.EAGER Since: Jakarta Persistence (JPA) 1.0 boolean optional (Optional ... . Default: "" Since: Jakarta Persistence (JPA) 1.0 boolean orphanRemoval (Optional) Whether to apply

Implemented Interfaces: PersistenceUtil Since: Jakarta Persistence (JPA) 1.0 Public Instance Methods boolean ... Persistence (JPA) 1.0 boolean isLoaded ( Object entity ) Overrides PersistenceUtil.isLoaded

Jakarta Persistence (JPA) Method in jakarta.persistence.criteria.CriteriaBuilder Predicate or (    Expression x ,    Expression y ) Create a disjunction of the given boolean expressions. Parameters: x - boolean expression y - boolean expression Returns: or predicate. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.criteria.CriteriaBuilder Predicate and (    Expression x ,    Expression y ) Create a conjunction of the given boolean expressions. Parameters: x - boolean expression y - boolean expression Returns: and predicate. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.Query boolean isBound (    Parameter param ) Return a boolean indicating whether a value has been bound to the parameter. Parameters: param - parameter object Returns: boolean indicating whether parameter has been bound. Since: Jakarta Persistence (JPA) 2.0

Jakarta Persistence (JPA) Method in jakarta.persistence.criteria.AbstractQuery boolean isDistinct() Return whether duplicate query results must be eliminated or retained. Returns: boolean indicating whether duplicate query results must be eliminated. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.metamodel.SingularAttribute boolean isId() Is the attribute an id attribute? This method returns true if the attribute is a simple id , an embedded id , or an attribute of an id class . Returns: boolean indicating whether the attribute is an id. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.metamodel.SingularAttribute boolean isVersion() Is the attribute a version attribute? Returns: boolean indicating whether the attribute is a version attribute. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.metamodel.SingularAttribute boolean isOptional() Can the attribute be null? Returns: boolean indicating whether the attribute can be null. See Also: jakarta.persistence.Basic::optional Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.metamodel.Attribute boolean isAssociation() Is the attribute an association. Returns: boolean indicating whether the attribute corresponds to an association. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.metamodel.Attribute boolean isCollection() Is the attribute collection-valued (represents a Collection , Set , List , or Map ). Returns: boolean indicating whether the attribute is collection-valued. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (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. Returns: boolean indicating whether the identifiable

Jakarta Persistence (JPA) Method in jakarta.persistence.metamodel.IdentifiableType boolean hasVersionAttribute() Whether the identifiable type has a version attribute. Returns: boolean indicating whether the identifiable type has a version attribute. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.criteria.Selection boolean isCompoundSelection() Whether the selection item is a compound selection. Returns: boolean indicating whether the selection is a compound selection. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.criteria.Predicate BooleanOperator getOperator() Return the boolean operator for the predicate. If the predicate is simple, this is AND . Returns: boolean operator for the predicate. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.criteria.Predicate boolean isNegated() Whether the predicate has been created from another predicate by applying Predicate.not or by calling CriteriaBuilder.not . Returns: boolean indicating if the predicate is a negated predicate. Since: Jakarta Persistence (JPA) 1.0

boolean expression. Replaces the previously added restriction(s), if any. This method ... compound boolean expression Returns: the modified subquery. Since: Jakarta Persistence (JPA) 1.0

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

Jakarta Persistence (JPA) Method in jakarta.persistence.criteria.Order boolean isAscending() Whether ascending ordering is in effect. Returns: boolean indicating whether ordering is ascending. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.EntityTransaction boolean getRollbackOnly() Determine whether the current resource transaction has been marked for rollback. Returns: boolean indicating whether the transaction has been marked for rollback. Throws: IllegalStateException

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

Jakarta Persistence (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. Returns: boolean . Since: Jakarta Persistence (JPA) 2.1

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