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using the Java Persistence API (JPA). It is the first persistence solution that combined a powerful ... tutorial now...   Protect your investment. Use a standard Java API . ObjectDB became the first Object Oriented Database with built in support for the two standard Java database APIs : Java

: ObjectDB is unique in supporting the standard APIs . It is the only object database with built in support for the Java Persistence API (JPA). It also supports a more recent and advanced version of the Java Data Objects (JDO) API than competing object databases. By using a standard API such as JPA

Jakarta Persistence (JPA) Interface jakarta.persistence. criteria .CommonAbstractCriteria The CommonAbstractCriteria interface defines functionality that is common to both top-level criteria queries and subqueries as well as to update and delete criteria operations. It is not intended to be used

Jakarta Persistence (JPA) Enum in jakarta.persistence. criteria .Predicate jakarta.persistence. criteria .Predicate.BooleanOperator java.lang.Object ∟ java.lang.Enum ∟ jakarta.persistence. criteria .Predicate.BooleanOperator Implemented Interfaces: Constable , Comparable , Serializable Since: Jakarta

Jakarta Persistence (JPA) Interface jakarta.persistence. criteria .ParameterExpression Type ... , TupleElement Type of criteria query parameter expressions. Since: Jakarta Persistence (JPA) 2.0 Public ... to this type. This method is required to be supported for criteria queries only. Applications that use

Jakarta Persistence (JPA) Enum in jakarta.persistence. criteria .CriteriaBuilder jakarta.persistence. criteria .CriteriaBuilder.Trimspec java.lang.Object ∟ java.lang.Enum ∟ jakarta.persistence. criteria .CriteriaBuilder.Trimspec Implemented Interfaces: Constable , Comparable , Serializable Used

, that is scheduled for removal from the database upon transaction commit. The EntityManager API is used ... a native SQL query. In the next release of this API , the return type of this method will change ... for executing a criteria query. Parameters: criteriaQuery - a criteria query object Returns: the new

Jakarta Persistence (JPA) Enum jakarta.persistence. criteria .Nulls java.lang.Object ∟ java.lang.Enum ∟ jakarta.persistence. criteria .Nulls Implemented Interfaces: Constable , Comparable , Serializable Specifies the precedence of null values within query result sets. See Also: CriteriaBuilder::asc

Jakarta Persistence (JPA) Interface in jakarta.persistence. criteria .CriteriaBuilder jakarta.persistence. criteria .CriteriaBuilder.Case Super Interfaces: Expression , Selection , TupleElement Interface used to build general case expressions. Case conditions are evaluated in the order in

Jakarta Persistence (JPA) Interface in jakarta.persistence. criteria .CriteriaBuilder jakarta.persistence. criteria .CriteriaBuilder.In Super Interfaces: Predicate , Expression , Selection , TupleElement Interface used to build in predicates. Since: Jakarta Persistence (JPA) 1.0 Public Instance

Jakarta Persistence (JPA) Interface in jakarta.persistence. criteria .CriteriaBuilder jakarta.persistence. criteria .CriteriaBuilder.Coalesce Super Interfaces: Expression , Selection , TupleElement Interface used to build coalesce expressions. A coalesce expression is equivalent to a case expression

Jakarta Persistence (JPA) Interface jakarta.persistence. criteria .Expression Type Parameters: - the type of the expression Super Interfaces: Selection , TupleElement Type for query expressions. Since: Jakarta Persistence (JPA) 2.0 The JPA Query Expressions (JPQL / Criteria ) article explains

Jakarta Persistence (JPA) Interface in jakarta.persistence. criteria .CriteriaBuilder jakarta.persistence. criteria .CriteriaBuilder.SimpleCase Super Interfaces: Expression , Selection , TupleElement Interface used to build simple case expressions. Case conditions are evaluated in the order in

Jakarta Persistence (JPA) Class jakarta.persistence. criteria .LocalDateField java.lang.Object ∟ jakarta.persistence. criteria .LocalDateField Type Parameters: - the resulting type of the extracted value Implemented Interfaces: TemporalField Each instance represents a type of field

Jakarta Persistence (JPA) Class jakarta.persistence. criteria .LocalTimeField java.lang.Object ∟ jakarta.persistence. criteria .LocalTimeField Type Parameters: - the resulting type of the extracted value Implemented Interfaces: TemporalField Each instance represents a type of field

Jakarta Persistence (JPA) Class jakarta.persistence. criteria .LocalDateTimeField java.lang.Object ∟ jakarta.persistence. criteria .LocalDateTimeField Type Parameters: - the resulting type of the extracted value Implemented Interfaces: TemporalField Each instance represents a type of field

Jakarta Persistence (JPA) Enum jakarta.persistence. criteria .JoinType java.lang.Object ∟ java.lang.Enum ∟ jakarta.persistence. criteria .JoinType Implemented Interfaces: Constable , Comparable , Serializable Defines the three varieties of join. Support for RIGHT outer joins is not required

Jakarta Persistence (JPA) Interface jakarta.persistence. criteria .TemporalField Type Parameters: - the resulting type of the extracted value - the temporal type (date, time, or datetime) Each instance represents a type of field which can be extracted from a date, time, or datetime

Jakarta Persistence (JPA) Interface jakarta.persistence. criteria .Subquery Type Parameters: - the type of the selection item. Super Interfaces: AbstractQuery , Expression , CommonAbstractCriteria , Selection , TupleElement The Subquery interface defines functionality that is specific to subqueries

Jakarta Persistence (JPA) Interface jakarta.persistence. criteria .AbstractQuery Type Parameters: - the type of the result Super Interfaces: CommonAbstractCriteria The AbstractQuery interface defines functionality that is common to both top-level queries and subqueries. It is not intended to be used

Jakarta Persistence (JPA) Interface jakarta.persistence. criteria .CompoundSelection Type Parameters: - the type of the selection item Super Interfaces: Selection , TupleElement The CompoundSelection interface defines a compound selection item (a tuple, array, or result of a constructor

Jakarta Persistence (JPA) Interface jakarta.persistence. criteria .CriteriaSelect Type Parameters: - the type returned by the query Abstracts over top-level queries and unions and intersections of top-level queries. Since: Jakarta Persistence (JPA) 3.2

Jakarta Persistence (JPA) Interface jakarta.persistence. criteria .Fetch Type Parameters: - the source type of the fetch - the target type of the fetch Super Interfaces: FetchParent Represents a join-fetched association or attribute. Since: Jakarta Persistence (JPA) 2.0 Public Instance Methods Fetch

Jakarta Persistence (JPA) Interface jakarta.persistence. criteria .FetchParent Type Parameters: - the source type - the target type Represents an element of the from clause which may function as the parent of Fetches. Since: Jakarta Persistence (JPA) 2.0 Public Instance Methods Fetch fetch

Jakarta Persistence (JPA) Method in jakarta.persistence. criteria .CriteriaQuery CriteriaQuery ... of the query execution depends on the specification of the type of the criteria query object ... : If the type of the criteria query is CriteriaQuery (i.e., a criteria query object created by

Jakarta Persistence (JPA) Method in jakarta.persistence. criteria .CriteriaQuery CriteriaQuery ... of the query execution depends on the specification of the type of the criteria query object created as ... follows: If the type of the criteria query is CriteriaQuery (i.e., a criteria query object created

via the PersistenceConfiguration API . Every persistence unit has a transaction type , either JTA , or RESOURCE_LOCAL . Resource ... other useful APIs : an instance of Metamodel exposing a model of the managed types associated ... , may be obtained by calling getCache , the CriteriaBuilder , used to define criteria queries, may be obtained by

Jakarta Persistence (JPA) Method in jakarta.persistence. criteria .CriteriaBuilder CriteriaSelect union (    CriteriaSelect left ,    CriteriaSelect right ) Create a query which is the union of the given queries. Returns: a new criteria query which returns the union

Jakarta Persistence (JPA) Method in jakarta.persistence. criteria .CriteriaBuilder CriteriaSelect unionAll (    CriteriaSelect left ,    CriteriaSelect right ) Create a query ... criteria query which returns the union of the results of the given queries. Since: Jakarta Persistence (JPA) 3.2

Jakarta Persistence (JPA) Method in jakarta.persistence. criteria .CriteriaBuilder CriteriaSelect intersect (    CriteriaSelect left ,    CriteriaSelect right ) Create a query which is the intersection of the given queries. Returns: a new criteria query which returns

Jakarta Persistence (JPA) Method in jakarta.persistence. criteria .CriteriaBuilder CriteriaSelect intersectAll (    CriteriaSelect left ,    CriteriaSelect right ) Create a query ... : a new criteria query which returns the intersection of the results of the given queries. Since: Jakarta Persistence (JPA) 3.2

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. 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. 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. criteria .CriteriaBuilder CriteriaSelect except (    CriteriaSelect left ,    CriteriaSelect right ) Create a query by (setwise) subtraction of the second query from the first query. Returns: a new criteria query

Jakarta Persistence (JPA) Method in jakarta.persistence. criteria .CriteriaBuilder CriteriaSelect exceptAll (    CriteriaSelect left ,    CriteriaSelect right ) Create a query by ... results. Returns: a new criteria query which returns the result of subtracting the results of the second

Jakarta Persistence (JPA) Method in jakarta.persistence. criteria .CriteriaBuilder SetJoin treat (    SetJoin join ,    Class type ) Downcast SetJoin object to the specified type. Parameters: join - SetJoin object type - type to be downcast to Returns: SetJoin object of the specified type. Since: Jakarta Persistence (JPA) 2.1

Jakarta Persistence (JPA) Method in jakarta.persistence. criteria .CriteriaBuilder Expression nullif (    Expression x ,    Y y ) Create an expression that tests whether its argument are equal, returning null if they are and the value of the first expression if they are not

Jakarta Persistence (JPA) Method in jakarta.persistence. criteria .CriteriaBuilder Coalesce coalesce() Create a coalesce expression. Returns: coalesce expression. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence. criteria .CriteriaBuilder SimpleCase selectCase (    Expression expression ) Create a simple case expression. Parameters: expression - to be tested against the case conditions Returns: simple case expression. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence. criteria .CriteriaBuilder Case selectCase() Create a general case expression. Returns: general case expression. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence. criteria .CriteriaBuilder ListJoin treat (    ListJoin join ,    Class type ) Downcast ListJoin object to the specified type. Parameters: join - ListJoin object type - type to be downcast to Returns: ListJoin object of the specified type. Since: Jakarta Persistence (JPA) 2.1

Jakarta Persistence (JPA) Method in jakarta.persistence. criteria .CriteriaBuilder MapJoin treat (    MapJoin join ,    Class type ) Downcast MapJoin object to the specified type. Parameters: join - MapJoin object type - type to be downcast to Returns: MapJoin object of the specified type. Since: Jakarta Persistence (JPA) 2.1

Jakarta Persistence (JPA) Method in jakarta.persistence. criteria .CriteriaBuilder Path treat (    Path path ,    Class type ) Downcast Path object to the specified type. Parameters: path - path type - type to be downcast to Returns: Path object of the specified type. Since: Jakarta Persistence (JPA) 2.1

Jakarta Persistence (JPA) Method in jakarta.persistence. criteria .CriteriaBuilder Root treat (    Root root ,    Class type ) Downcast Root object to the specified type. Parameters: type - type to be downcast to root - root Returns: Root object of the specified type. Since: Jakarta Persistence (JPA) 2.1

Jakarta Persistence (JPA) Method in jakarta.persistence. criteria .AbstractQuery Predicate getGroupRestriction() Return the predicate that corresponds to the restriction(s) over the grouping items, or null if no restrictions have been specified. Returns: having clause predicate. Since: Jakarta Persistence (JPA) 1.0

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. criteria .AbstractQuery Class getResultType() Return the result type of the query or subquery. If a result type was specified as an argument to the createQuery or subquery method, that type is returned. If the query was created using

Jakarta Persistence (JPA) Method in jakarta.persistence. criteria .CollectionJoin CollectionJoin on (    Expression restriction ) Modify the join to restrict the result according to the specified ON condition and return the join object. Replaces the previous ON condition, if any

Jakarta Persistence (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