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jakarta.persistence.AttributeOverride

Jakarta Persistence (JPA) Annotation Type jakarta. persistence .AttributeOverride Implemented ... ) { ... } } Example 2 : @Embeddable public class Address { protected String street; protected String city ... AssociationOverride Since: Jakarta Persistence (JPA) 1.0 Public Instance Methods Column column () (Required

jakarta.persistence.AttributeNode

NamedAttributeNode Since: Jakarta Persistence (JPA) 2 .1 Public Instance Methods String ... Jakarta Persistence (JPA) Interface jakarta. persistence .AttributeNode Type Parameters: - The type ... of the attribute. Since: Jakarta Persistence (JPA) 1.0 Map getKeySubgraphs () Return a map of subgraphs

jakarta.persistence.AccessType

Persistence (JPA) 2 .0 Enum Constants FIELD Field-based access is used. Since: Jakarta Persistence ... Jakarta Persistence (JPA) Enum jakarta. persistence .AccessType java.lang.Object ∟ java.lang.Enum ∟ jakarta. persistence .AccessType Implemented Interfaces: Constable , Comparable , Serializable Used

jakarta.persistence.StoredProcedureParameter

Since: Jakarta Persistence (JPA) 2 .1 Public Instance Methods ParameterMode mode () Specifies ... Jakarta Persistence (JPA) Annotation Type jakarta. persistence .StoredProcedureParameter Implemented ... databases to return result sets from a stored procedure. Since: Jakarta Persistence (JPA) 1.0 String

jakarta.persistence.NamedSubgraph

. See Also: NamedEntityGraph NamedAttributeNode Since: Jakarta Persistence (JPA) 2 .1 Public Instance Methods ... Jakarta Persistence (JPA) Annotation Type jakarta. persistence .NamedSubgraph Implemented Interfaces ... attribute node, then only subclass-specific attributes are listed. Since: Jakarta Persistence (JPA) 1.0

jakarta.persistence.NamedStoredProcedureQueries

) 2 .1 Public Static Fields No JavaDoc Info for jakarta. persistence .NamedStoredProcedureQueries/class ... Jakarta Persistence (JPA) Annotation Type jakarta. persistence .NamedStoredProcedureQueries ... names are scoped to the persistence unit. The NamedStoredProcedureQueries annotation can be applied

jakarta.persistence.NamedEntityGraphs

Since: Jakarta Persistence (JPA) 2 .1 Public Static Fields No JavaDoc Info for jakarta. persistence ... Jakarta Persistence (JPA) Annotation Type jakarta. persistence .NamedEntityGraphs Implemented ... Persistence (JPA) 1.0 Annotation Elements This is a marker annotation with no members/elements. Additional JDK

jakarta.persistence.MapKeyTemporal

the date/time types defined in java.time . Since: Jakarta Persistence (JPA) 2 .0 Public Instance Methods ... Jakarta Persistence (JPA) Annotation Type jakarta. persistence .MapKeyTemporal Implemented Interfaces: Annotation Target: Method, Field This annotation must be specified for persistent map keys

jakarta.persistence.MapsId

is derived from the referenced parent entity. Since: Jakarta Persistence (JPA) 2 .0 Public Instance Methods ... Jakarta Persistence (JPA) Annotation Type jakarta. persistence .MapsId Implemented Interfaces ... of the entity cannot be made persistent until the relationship has been assigned a reference to an instance

jakarta.persistence.ConstructorResult

NamedNativeQuery ColumnResult Since: Jakarta Persistence (JPA) 2 .1 Public Instance Methods ... Jakarta Persistence (JPA) Annotation Type jakarta. persistence .ConstructorResult Implemented ... constructor, in order. Since: Jakarta Persistence (JPA) 1.0 Class targetClass () (Required

jakarta.persistence.Converts

be applied to the same basic attribute. See Also: Convert Since: Jakarta Persistence (JPA) 2 .1 Public Static Fields No JavaDoc Info for jakarta. persistence .Converts/class Public Instance Methods ... Jakarta Persistence (JPA) Annotation Type jakarta. persistence .Converts Implemented Interfaces

jakarta.persistence.ColumnResult

. Since: Jakarta Persistence (JPA) 2 .1 Annotation Elements This is a marker annotation with no members/elements ... Jakarta Persistence (JPA) Annotation Type jakarta. persistence .ColumnResult Implemented Interfaces ... NamedNativeQuery ConstructorResult Since: Jakarta Persistence (JPA) 1.0 Public Instance Methods String

jakarta.persistence.metamodel.Bindable

or attribute type that can be bound into a Path . Since: Jakarta Persistence (JPA) 2 .0 Public ... Jakarta Persistence (JPA) Interface jakarta. persistence .metamodel.Bindable Type Parameters ... is returned. Returns: Java type. Since: Jakarta Persistence (JPA) 1.0 BindableType getBindableType () Return

jakarta.persistence.TupleElement

. See Also: Tuple Since: Jakarta Persistence (JPA) 2 .0 Public Instance Methods String getAlias ... Jakarta Persistence (JPA) Interface jakarta. persistence .TupleElement Type Parameters: - the type ... . Since: Jakarta Persistence (JPA) 1.0 Class getJavaType () Return the Java type of the tuple element

jakarta.persistence.Cacheable

and its state must not be cached by the provider. Since: Jakarta Persistence (JPA) 2 .0 The JPA Shared (L2 ... Jakarta Persistence (JPA) Annotation Type jakarta. persistence .Cacheable Implemented Interfaces ... , and when the value of the persistence .xml caching element is SharedCacheMode.ENABLE_SELECTIVE or

jakarta.persistence.SecondaryTables

Jakarta Persistence (JPA) Annotation Type jakarta. persistence .SecondaryTables Implemented ... _HIST")}) public class Employee { ... } Example 2 : Multiple secondary tables with differently named ... { ... } Since: Jakarta Persistence (JPA) 1.0 Public Static Fields No JavaDoc Info for jakarta. persistence

jakarta.persistence.OrderBy

Jakarta Persistence (JPA) Annotation Type jakarta. persistence .OrderBy Implemented Interfaces ... must correspond to that of a persistent property or field of the associated class or embedded class ... getStudents() { ... } ... } Example 2 : @Entity public class Student { ... @ManyToMany(mappedBy

jakarta.persistence.MapKeyEnumerated

Since: Jakarta Persistence (JPA) 2 .0 Public Instance Methods EnumType value () (Optional) The type used in mapping a map key enum type. Since: Jakarta Persistence (JPA) 1.0 Annotation Elements ... Jakarta Persistence (JPA) Annotation Type jakarta. persistence .MapKeyEnumerated Implemented

jakarta.persistence.ConnectionConsumer

EntityManager.runWithConnection(ConnectionConsumer) Since: Jakarta Persistence (JPA) 3. 2 Public Instance ... Jakarta Persistence (JPA) Interface jakarta. persistence .ConnectionConsumer Type Parameters ... a java.sql.SQLException . Since: Jakarta Persistence (JPA) 1.0

jakarta.persistence.ConnectionFunction

EntityManager.callWithConnection(ConnectionFunction) Since: Jakarta Persistence (JPA) 3. 2 Public ... Jakarta Persistence (JPA) Interface jakarta. persistence .ConnectionFunction Type Parameters ... the connection, usually a java.sql.SQLException . Since: Jakarta Persistence (JPA) 1.0

jakarta.persistence.EmbeddedId

Jakarta Persistence (JPA) Annotation Type jakarta. persistence .EmbeddedId Implemented Interfaces: Annotation Target: Method, Field Specifies that the annotated persistent field or property ... empName, Date birthDay) {} Example 2 : @Embeddable public class DependentId { String name

jakarta.persistence.metamodel.StaticMetamodel

the value element. Since: Jakarta Persistence (JPA) 2 .0 Public Instance Methods Class value () Class being modelled by the annotated class. Since: Jakarta Persistence (JPA) 1.0 Annotation Elements ... Jakarta Persistence (JPA) Annotation Type jakarta. persistence .metamodel.StaticMetamodel

jakarta.persistence.Access

Persistence (JPA) 2 .0 Public Instance Methods AccessType value () (Required) Specification of field- or property-based access. Since: Jakarta Persistence (JPA) 1.0 Annotation Elements This is a marker ... Jakarta Persistence (JPA) Annotation Type jakarta. persistence .Access Implemented Interfaces

jakarta.persistence.LockOption

. See Also: LockModeType PessimisticLockScope Timeout EntityManager.lock(Object, LockModeType, LockOption...) Since: Jakarta Persistence (JPA) 3. 2 ... Jakarta Persistence (JPA) Interface jakarta. persistence .LockOption An option influencing the behavior of EntityManager.lock . Built-in options control scope , and timeouts . This interface

jakarta.persistence.FindOption

Timeout EntityManager.find(Class, Object, FindOption...) EntityManager.find(EntityGraph, Object, FindOption...) Since: Jakarta Persistence (JPA) 3. 2 ... Jakarta Persistence (JPA) Interface jakarta. persistence .FindOption An option influencing the behavior of EntityManager.find . Built-in options control locking , cache interaction , and timeouts

jakarta.persistence.EnumeratedValue

Jakarta Persistence (JPA) Annotation Type jakarta. persistence .EnumeratedValue Implemented ... intValue) { this.intValue = intValue; } } See Also: Enumerated EnumType Since: Jakarta Persistence (JPA) 3. 2 Annotation Elements This is a marker annotation with no members/elements. Additional JDK

jakarta.persistence.criteria.TemporalField

. See Also: LocalDateField LocalTimeField LocalDateTimeField CriteriaBuilder.extract(TemporalField, Expression) Since: Jakarta Persistence (JPA) 3. 2 ... 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

jakarta.persistence.criteria.CriteriaSelect

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.RefreshOption

EntityManager.refresh(Object, RefreshOption...) Since: Jakarta Persistence (JPA) 3. 2 ... Jakarta Persistence (JPA) Interface jakarta. persistence .RefreshOption An option influencing the behavior of EntityManager.refresh . Built-in options control locking , cache interaction

jakarta.persistence.Persistence.createEntityManagerFactory(PersistenceConfiguration)

configured according to the specified persistence unit. Since: Jakarta Persistence (JPA) 3. 2 ... Jakarta Persistence (JPA) Method in jakarta. persistence . Persistence EntityManagerFactory ... an EntityManagerFactory for the named persistence unit, using the given properties. Parameters

jakarta.persistence.Persistence.generateSchema(String,Map)

information is provided or if schema generation otherwise fails.. Since: Jakarta Persistence (JPA) 2 .1 ... Jakarta Persistence (JPA) Method in jakarta. persistence . Persistence void generateSchema (   ... : persistenceUnitName - the name of the persistence unit map - properties for schema generation; these may also contain

jakarta.persistence.Persistence.getPersistenceUtil()

Jakarta Persistence (JPA) Method in jakarta. persistence . Persistence PersistenceUtil getPersistenceUtil() Return the PersistenceUtil instance Returns: PersistenceUtil instance. Since: Jakarta Persistence (JPA) 2 .0

Retrieving JPA Entities

the Level 2 (L2) cache, if enabled. JPA then adds the new entity to the persistence context as a managed ... Jakarta Persistence (JPA) provides various ways to retrieve objects from the database. Retrieving ... . The persistence context serves as a cache for retrieved entities. If a requested entity is not in

Entity Management Settings

the Enhancer Agent to enhance persistable types on the fly, even if you do not specify it explicitly ... represent different policies: "error" - All persistable classes must be enhanced; otherwise, ObjectDB ... -dirty entities in the persistence context of the EntityManager , which serves as a first-level cache

Managing JPA Entities

Entities are in-memory instances of entity classes ( persistable , user-defined classes ... when it is persisted to the database by using an EntityManager 's persist method, which must be invoked ... an EntityManager . Persistence context The persistence context is the collection of all managed objects

jakarta.persistence.TypedQuery.getResultStream()

and only the statement is rolled back. See Also: Stream .getResultList() Since: Jakarta Persistence (JPA) 2 . 2 ... Jakarta Persistence (JPA) Method in jakarta. persistence .TypedQuery Stream getResultStream ... to getResultList().stream() , however, persistence provider may choose to override this method

jakarta.persistence.Query.getResultStream()

and only the statement is rolled back. See Also: Stream .getResultList() Since: Jakarta Persistence (JPA) 2 . 2 ... Jakarta Persistence (JPA) Method in jakarta. persistence .Query Stream getResultStream() Execute ... , this method delegates to getResultList().stream() , however persistence provider may choose to override

jakarta.persistence.PersistenceUnitUtil.load(Object,String)

with an open persistence context or cannot be loaded from the database. Since: Jakarta Persistence (JPA) 3. 2 ... Jakarta Persistence (JPA) Method in jakarta. persistence .PersistenceUnitUtil void load (    Object entity ,    String attributeName ) Load the persistent value of a given

jakarta.persistence.PersistenceUnitUtil.load(E,Attribute)

persistence context or cannot be loaded from the database. Since: Jakarta Persistence (JPA) 3. 2 ... Jakarta Persistence (JPA) Method in jakarta. persistence .PersistenceUnitUtil void load (    E entity ,    Attribute attribute ) Load the persistent value of a given persistent

jakarta.persistence.PersistenceUnitUtil.isInstance(Object,Class)

or cannot be loaded from the database. Since: Jakarta Persistence (JPA) 3. 2 ... Jakarta Persistence (JPA) Method in jakarta. persistence .PersistenceUnitUtil boolean isInstance ... belonging to the persistence unit and to an open persistence context is an instance of the given entity

Strings in JPQL and Criteria Queries

that navigate to persistent string fields. As the results of predefined JPQL string manipulation functions ... to 'aly' . SUBSTRING('Italy', 3, 2 ) is evaluated to 'al' . Positions are one-based (as in SQL), not ... ); Expression l2 = cb. locate (path, "x"); Expression l3 = cb. locate (path, param, cb. literal ( 2

Numbers in JPQL and Criteria Queries

to persistent numeric fields. As aggregate expressions , such as COUNT . As collection functions ... . For example: MOD(11, 3) evaluates to 2 . MOD(8, 4) evaluates to 0 . The MOD function takes two integer ... function returns the square root of a specified argument. For example: SQRT(9) is evaluated to 3 SQRT( 2

jakarta.persistence.PersistenceUnitUtil.load(Object)

or cannot be loaded from the database. Since: Jakarta Persistence (JPA) 3. 2 ... Jakarta Persistence (JPA) Method in jakarta. persistence .PersistenceUnitUtil void load (    Object entity ) Load the persistent state of an entity belonging to the persistence unit

jakarta.persistence.PersistenceUnitUtil.getClass(T)

with an open persistence context or cannot be loaded from the database. Since: Jakarta Persistence (JPA) 3. 2 ... Jakarta Persistence (JPA) Method in jakarta. persistence .PersistenceUnitUtil Class getClass (    T entity ) Return the concrete entity class if the given entity belonging to the persistence

jakarta.persistence.EntityManager.find(EntityGraph,Object,FindOption...)

transaction and a lock mode other than NONE is specified. Since: Jakarta Persistence (JPA) 3. 2 ... Jakarta Persistence (JPA) Method in jakarta. persistence .EntityManager T find (    ... type. If the entity instance is contained in the persistence context, it is returned from

jakarta.persistence.EntityManager.getReference(T)

. IllegalArgumentException - if the given object is not an entity, or if it is neither persistent nor detached. Since: Jakarta Persistence (JPA) 3. 2 ... Jakarta Persistence (JPA) Method in jakarta. persistence .EntityManager T getReference (    ... may be persistent or detached, but may be neither new nor removed. If the requested instance does not exist in

jakarta.persistence.EntityManager.find(Class,Object,FindOption...)

transaction and a lock mode other than NONE is specified. Since: Jakarta Persistence (JPA) 3. 2 ... Jakarta Persistence (JPA) Method in jakarta. persistence .EntityManager T find (    Class ... it with respect to the specified lock type. If the entity instance is contained in the persistence context

Step 1: Create a Maven Web Project

.objectdb.com com.objectdb objectdb 2 .8.1 org.eclipse. persistence javax. persistence 2 .1.0 javax.transaction jta 1.1 javax.servlet servlet-api 2 .5 provided javax.servlet.jsp jsp-api 2 .1 provided org ... .springframework spring-orm 3.0.5.RELEASE aopalliance aopalliance 1.0 cglib cglib 2 . 2 org.aspectj aspectjweaver

Step 1: Create a Maven Web Project

;  com.objectdb    objectdb    2 .8.1        org.eclipse. persistence      javax. persistence      2 .1.0       ... ;      javax.servlet    servlet-api    2 .5    provided  

[ODB1] Chapter 5 - JDO Connections

. 2   javax.jdo.PersistenceManager The javax.jdo.PersistenceManager interface represents ... . On every attempt to modify a persistent object, within an active transaction, a WRITE lock ... retries (about 2 seconds) a JDOUserException (a subclass of JDOException ) is thrown. These constants