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Jakarta Persistence (JPA) Method in jakarta. persistence .metamodel.Metamodel Set getManagedTypes() Return the metamodel managed types. Returns: the metamodel managed types. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta. persistence .criteria.AbstractQuery AbstractQuery distinct (    boolean distinct ) Specify whether duplicate query results are eliminated. A true ... whether they must be retained Returns: the modified query. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta. persistence .metamodel.Metamodel Set getEntities() Return the metamodel entity types. Returns: the metamodel entity types. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta. persistence .criteria.AbstractQuery Set getRoots() Return the query roots. These are the roots that are defined for the CriteriaQuery or Subquery ... have been defined. Modifications to the set do not affect the query. Returns: the set of query roots. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta. persistence .metamodel.Metamodel Set getEmbeddables() Return the metamodel embeddable types. Returns am empty set if there are no embeddable types. Returns: the metamodel embeddable types. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta. persistence .criteria.AbstractQuery Selection getSelection() Return the selection of the query, or null if no selection has been set. Returns: selection item. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta. persistence .metamodel.PluralAttribute CollectionType getCollectionType() Return the collection type. Returns: collection type. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta. persistence .criteria.AbstractQuery List getGroupList() Return a list of the grouping expressions. Returns empty list if no grouping expressions have been specified. Modifications to the list do not affect the query. Returns: the list of grouping expressions. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta. persistence .criteria.CommonAbstractCriteria Predicate getRestriction() Return the predicate that corresponds to the where clause restriction(s), or null if no restrictions have been specified. Returns: where clause predicate. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta. persistence .metamodel.Metamodel EntityType entity (    Class cls ) Return the metamodel entity type representing the entity. Parameters: cls ... : IllegalArgumentException - if not an entity. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta. persistence .criteria.CommonAbstractCriteria Set getParameters() Return the parameters of the query. Returns empty set if there are no parameters. Modifications to the set do not affect the query. Returns: the query parameters. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta. persistence .metamodel.Metamodel ManagedType managedType (    Class cls ) Return the metamodel managed type representing the entity, mapped ... : the metamodel managed type. Throws: IllegalArgumentException - if not a managed class. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta. persistence .criteria.CriteriaBuilder CriteriaQuery createQuery() Create a CriteriaQuery object. Returns: criteria query object. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta. persistence .metamodel.Metamodel EmbeddableType embeddable (    Class cls ) Return the metamodel embeddable type representing the embeddable ... type. Throws: IllegalArgumentException - if not an embeddable class. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta. persistence .criteria.CriteriaBuilder CriteriaQuery createQuery (    Class resultClass ) Create a CriteriaQuery object with the given result type. Parameters: resultClass - type of the query result Returns: criteria query object. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta. persistence .metamodel.SingularAttribute Type getType() Return the type that represents the type of the attribute. Returns: type of attribute. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta. persistence .criteria.CollectionJoin CollectionJoin on (    Predicate... restrictions ) Modify the join to restrict the result according ... . Parameters: restrictions - zero or more restriction predicates Returns: the modified join object. Since: Jakarta Persistence (JPA) 2.1

Jakarta Persistence (JPA) Method in jakarta. persistence .metamodel.StaticMetamodel Class value Class being modelled by the annotated class. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta. persistence .criteria.CollectionJoin CollectionAttribute getModel() Return the metamodel representation for the collection attribute. Returns: metamodel type representing the Collection that is the target of the join. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta. persistence .criteria.CommonAbstractCriteria Subquery subquery (    Class type ) Create a subquery of the query. Parameters: type - the subquery result type Returns: subquery. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta. persistence .metamodel.Type Class getJavaType() Return the represented Java type. Returns: Java type. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta. persistence .criteria.CommonAbstractCriteria Subquery subquery (    EntityType type ) Create a subquery of the query. Parameters: type - the subquery result type Returns: subquery. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta. persistence .metamodel.PluralAttribute Type getElementType() Return the type representing the element type of the collection. Returns: element type. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta. persistence .criteria.CriteriaBuilder CompoundSelection tuple (    Selection ... selections ) Create a tuple-valued selection item. Parameters ... : IllegalArgumentException - if an argument is a tuple- or array-valued selection item. 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 .criteria.CriteriaBuilder CompoundSelection tuple (    List selections ) Create a tuple-valued selection item. Parameters: selections ... : IllegalArgumentException - if an argument is a tuple- or array-valued selection item. Since: Jakarta Persistence (JPA) 3.2

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 .criteria.CriteriaBuilder CompoundSelection array (    Selection ... selections ) Create an array-valued selection item. Parameters ... : IllegalArgumentException - if an argument is a tuple- or array-valued selection item. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta. persistence .criteria.CriteriaBuilder CompoundSelection array (    List selections ) Create an array-valued selection item. Parameters ... : IllegalArgumentException - if an argument is a tuple- or array-valued selection item. Since: Jakarta Persistence (JPA) 3.2

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 .criteria.CriteriaBuilder CriteriaQuery createTupleQuery() Create a CriteriaQuery object that returns a tuple of objects as its result. Returns: criteria query object. 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 .criteria.CriteriaBuilder CriteriaUpdate createCriteriaUpdate (    Class targetEntity ) Create a CriteriaUpdate query object to perform a bulk update operation. Parameters: targetEntity - target type for update operation Returns: the query object. Since: Jakarta Persistence (JPA) 2.1

Jakarta Persistence (JPA) Method in jakarta. persistence .metamodel.Bindable BindableType getBindableType() Return the bindable type of the represented object. Returns: bindable type. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta. persistence .criteria.CriteriaBuilder CriteriaDelete createCriteriaDelete (    Class targetEntity ) Create a CriteriaDelete query object to perform a bulk delete operation. Parameters: targetEntity - target type for delete operation Returns: the query object. Since: Jakarta Persistence (JPA) 2.1

Jakarta Persistence (JPA) Method in jakarta. persistence .metamodel.Bindable Class getBindableJavaType() Return the Java type of the represented object. If the bindable type of the object is PLURAL ... _TYPE , the Java type of the represented entity or attribute is returned. Returns: Java type. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta. persistence .criteria.CriteriaBuilder CompoundSelection construct (    Class resultClass ,    Selection ... selections ) Create ... item. Throws: IllegalArgumentException - if an argument is a tuple- or array-valued selection item. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta. persistence .criteria.CriteriaBuilder Expression avg (    Expression x ) Create an aggregate expression applying the avg operation. Parameters: x - expression representing input value to avg operation Returns: avg expression. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta. persistence .metamodel.Attribute ManagedType getDeclaringType() Return the managed type representing the type in which the attribute was declared. Returns: declaring type. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta. persistence .criteria.CriteriaBuilder Expression sum (    Expression x ) Create an aggregate expression applying the sum operation. Parameters: x - expression representing input value to sum operation Returns: sum expression. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta. persistence .metamodel.Attribute Class getJavaType() Return the Java type of the represented attribute. Returns: Java type. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta. persistence .criteria.CriteriaBuilder Expression sumAsLong (    Expression x ) Create an aggregate expression applying the sum operation ... value to sum operation Returns: sum expression. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta. persistence .metamodel.Attribute Member getJavaMember() Return the java.lang.reflect.Member for the represented attribute. Returns: corresponding java.lang.reflect.Member . Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta. persistence .criteria.CriteriaBuilder Expression sumAsDouble (    Expression x ) Create an aggregate expression applying the sum operation ... value to sum operation Returns: sum expression. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta. persistence .metamodel.IdentifiableType SingularAttribute getDeclaredVersion (    Class type ) Return the attribute that corresponds ... : IllegalArgumentException - if version attribute of the type is not declared in the identifiable type. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta. persistence .criteria.CriteriaBuilder Order asc (    Expression expression ) Create an ordering by the ascending value of the expression. Parameters: expression - expression used to define the ordering Returns: ascending ordering corresponding to the expression. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta. persistence .metamodel.IdentifiableType IdentifiableType getSupertype() Return the identifiable type that corresponds to the most specific mapped ... null if no such supertype. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta. persistence .criteria.CriteriaBuilder Order desc (    Expression expression ) Create an ordering by the descending value of the expression ... corresponding to the expression. 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 ... type has a single id attribute. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta. persistence .criteria.CriteriaBuilder Order asc (    Expression expression ,    Nulls nullPrecedence ) Create an ordering by ... nullPrecedence - the precedence of null values Returns: ascending ordering corresponding to the expression. Since: Jakarta Persistence (JPA) 3.2