ObjectDB Database Search

of the given basic type. Since: Jakarta Persistence (JPA) 3 .2 Predicate equalTo ( Expression value ... . Since: Jakarta Persistence (JPA) 3 .2 Predicate equalTo ( Object value ) Create a predicate to test ... to be tested against Returns: predicate testing for equality. Since: Jakarta Persistence (JPA) 3 .2 String

) Since: Jakarta Persistence (JPA) 3 .2 Public Static Fields CACHE_MODE String specifying a SharedCacheMode ... Jakarta Persistence (JPA) Class jakarta. persistence .PersistenceConfiguration java.lang.Object ∟ jakarta. persistence .PersistenceConfiguration Represents a configuration of a persistence unit

Persistence (JPA) 3 .2 Predicate equalTo ( Expression value ) Create a predicate to test ... against Returns: predicate testing for equality. Since: Jakarta Persistence (JPA) 3 .2 Predicate ... for equality. Since: Jakarta Persistence (JPA) 3 .2 String getAlias () Return the alias assigned

for equality. Since: Jakarta Persistence (JPA) 3 .2 Predicate equalTo ( Object value ) Create ... to be tested against Returns: predicate testing for equality. Since: Jakarta Persistence (JPA) 3 .2 String ... . Since: Jakarta Persistence (JPA) 3 .2 Predicate notEqualTo ( Object value ) Create a predicate to test

, and is not portable across databases. Default: "" Since: Jakarta Persistence (JPA) 3 .2 String table ... driver should be stored in a timestamp column. Default: -1 Since: Jakarta Persistence (JPA) 3 .2 ... if table generation is in effect. Default: {} Since: Jakarta Persistence (JPA) 3 .2 String comment

lists the classes that have been enhanced: [ObjectDB 2.9.4] 3 persistable types have been enhanced ... the bytecode of compiled classes. Enhancement applies mainly to user-defined persistable classes ( entity ... . However, there is one case where enhancement is required. Non- persistable classes that directly access persistent fields

more restriction predicates Returns: the modified query. Since: Jakarta Persistence (JPA) 3 .2 ... Jakarta Persistence (JPA) Interface jakarta. persistence .criteria.CriteriaQuery Type Parameters ... . Since: Jakarta Persistence (JPA) 2.0 The JPA Criteria API Queries article explains how to use

Persistence (JPA) 3 .2 String comment (Optional) A comment to be applied to the table. This is only used if table generation is in effect. Default: "" Since: Jakarta Persistence (JPA) 3 .2 String options ... . This is only used if table generation is in effect. Default: "" Since: Jakarta Persistence (JPA) 3 .2 Additional JDK

: "" Since: Jakarta Persistence (JPA) 3 .2 String table (Optional) The name of the table that contains ... if table generation is in effect. Default: {} Since: Jakarta Persistence (JPA) 3 .2 String comment ... . Default: "" Since: Jakarta Persistence (JPA) 3 .2 Additional JDK methods inherited from java.lang

Persistence (JPA) 3 .2 boolean isDistinct () Return whether duplicate query results must be eliminated or ... removed. Parameters: restrictions - a list of zero or more restriction predicates Returns: the modified query. Since: Jakarta Persistence (JPA) 3 .2 ... Jakarta Persistence (JPA) Interface jakarta. persistence .criteria.AbstractQuery Type Parameters

: {} Since: Jakarta Persistence (JPA) 3 .2 String comment (Optional) A comment to be applied ... Persistence (JPA) 3 .2 Additional JDK methods inherited from java.lang.annotation.Annotation java.lang ... Jakarta Persistence (JPA) Annotation Type jakarta. persistence .SecondaryTable Implemented

: {} Since: Jakarta Persistence (JPA) 3 .2 ConstructorResult[] classes Specifies the result set mapping to constructors ... combination with resultSetMapping . Default: {} Since: Jakarta Persistence (JPA) 3 .2 Additional JDK ... Jakarta Persistence (JPA) Annotation Type jakarta. persistence .NamedNativeQuery Implemented

: {} Since: Jakarta Persistence (JPA) 3 .2 String comment (Optional) A comment to be applied to the table. This is only used if table generation is in effect. Default: "" Since: Jakarta Persistence (JPA) 3 .2 ... Jakarta Persistence (JPA) Annotation Type jakarta. persistence .Table Implemented Interfaces

. Default: "" Since: Jakarta Persistence (JPA) 3 .2 String table (Optional) The name of the table ... Jakarta Persistence (JPA) Annotation Type jakarta. persistence .MapKeyJoinColumn Implemented ... ; ... } Example 3 : @Entity public class Student { @Id int studentId; ... @ManyToMany // students and courses

that navigate to persistent string fields. As the results of predefined JPQL string manipulation functions ... ('India', 'a') is evaluated to 5 . LOCATE('Japan', 'a', 3 ) is evaluated to 4 . LOCATE('Mexico ... [, length]) function returns a portion of a string. For example: SUBSTRING('Italy', 3 ) is evaluated

that the database server should set the timeout Since: Jakarta Persistence (JPA) 3 .2 ... Jakarta Persistence (JPA) Interface jakarta. persistence .EntityTransaction Interface used ... the EntityTransaction interface. Since: Jakarta Persistence (JPA) 1.0 The JPA Connections

to the generated DDL statement which creates this table. Default: "" Since: Jakarta Persistence (JPA) 3 ... Jakarta Persistence (JPA) Annotation Type jakarta. persistence .TableGenerator Implemented ... of the generator name is global to the persistence unit (across all generator types). If no name

. May not be used in conjunction with columnDefinition . Default: "" Since: Jakarta Persistence (JPA) 3 .2 ... Jakarta Persistence (JPA) Annotation Type jakarta. persistence .MapKeyColumn Implemented Interfaces ... to filename ... } Since: Jakarta Persistence (JPA) 2.0 Annotation Elements String name (Optional

. Default: "" Since: Jakarta Persistence (JPA) 3 .2 Additional JDK methods inherited from java.lang ... Jakarta Persistence (JPA) Annotation Type jakarta. persistence .OrderColumn Implemented Interfaces: Annotation Target: Method, Field Specifies a column that is used to maintain the persistent order

which can be extracted from a LocalDateTime . Since: Jakarta Persistence (JPA) 3 .2 Public Static Fields DATE ... Jakarta Persistence (JPA) Class jakarta. persistence .criteria.LocalDateTimeField java.lang.Object ∟ jakarta. persistence .criteria.LocalDateTimeField Type Parameters: - the resulting type

.getSchemaManager() Since: Jakarta Persistence (JPA) 3 .2 Public Instance Methods void create ... Jakarta Persistence (JPA) Interface jakarta. persistence .SchemaManager Allows programmatic schema ... persistence unit. Properties are inherited from the EntityManagerFactory

is in effect. See Also: Table.check() Column.check() Since: Jakarta Persistence (JPA) 3 .2 Annotation ... Jakarta Persistence (JPA) Annotation Type jakarta. persistence .CheckConstraint Implemented ... . Default: "" Since: Jakarta Persistence (JPA) 1.0 String constraint (Required) The native SQL

. persistence .Entity.name Since: Jakarta Persistence (JPA) 3 .2 EntityType entity ( Class cls ) Return ... Jakarta Persistence (JPA) Interface jakarta. persistence .metamodel.Metamodel Provides access to the metamodel of persistent entities in the persistence unit. Since: Jakarta Persistence (JPA) 2.0

effect. Default: "" Since: Jakarta Persistence (JPA) 3 .2 Additional JDK methods inherited from java.lang ... Jakarta Persistence (JPA) Annotation Type jakarta. persistence .CollectionTable Implemented ... to a persistent field or property not annotated ElementCollection . See Also: ElementCollection

to the generated DDL statement which creates this sequence. Default: "" Since: Jakarta Persistence (JPA) 3 .2 ... Jakarta Persistence (JPA) Annotation Type jakarta. persistence .SequenceGenerator Implemented ... of the generator name is global to the persistence unit (across all generator types). If no name

Jakarta Persistence (JPA) Annotation Type jakarta. persistence .OneToOne Implemented Interfaces ... Integer id; ... } Example 3 : One-to-one association from an embeddable class to another entity. @Entity ... assignedTo; ... } Since: Jakarta Persistence (JPA) 1.0 Annotation Elements Class targetEntity (Optional

which can be extracted from a LocalDate . Since: Jakarta Persistence (JPA) 3 .2 Public Static Fields DAY The calendar ... Jakarta Persistence (JPA) Class jakarta. persistence .criteria.LocalDateField java.lang.Object ∟ jakarta. persistence .criteria.LocalDateField Type Parameters: - the resulting type of the extracted

Jakarta Persistence (JPA) Annotation Type jakarta. persistence .OneToMany Implemented Interfaces ... customer; } Example 3 : Unidirectional One-to-Many association using a foreign key mapping // In ... table for Order public Set getOrders() { return orders; } Since: Jakarta Persistence (JPA) 1.0

Persistence (JPA) 3 .2 Additional JDK methods inherited from java.lang.annotation.Annotation java.lang ... Jakarta Persistence (JPA) Annotation Type jakarta. persistence .ForeignKey Implemented Interfaces ... . If this annotation is not specified, a default foreign key strategy is selected by the persistence

Jakarta Persistence (JPA) Annotation Type jakarta. persistence .ManyToMany Implemented Interfaces ... , mappedBy = "phones") public Set getCustomers() { return customers; } Example 3 : // In Customer class ... ") public Set getCustomers() { return customers; } See Also: JoinTable Since: Jakarta Persistence (JPA

Jakarta Persistence (JPA) Annotation Type jakarta. persistence .Embeddable Implemented Interfaces ... of multiple persistent fields or properties, across several entities, and so distinct instances ... methods or persistent instance variables. An enum or interface may not be designated as

with columnDefinition . Default: "" Since: Jakarta Persistence (JPA) 3 .2 ForeignKey foreignKey (Optional) Used ... Jakarta Persistence (JPA) Annotation Type jakarta. persistence .PrimaryKeyJoinColumn Implemented ... Since: Jakarta Persistence (JPA) 1.0 Annotation Elements String name (Optional) The name

Persistence (JPA) 3 .2 Public Static Methods Timeout milliseconds ( int milliseconds ) Specify a timeout in milliseconds. Since: Jakarta Persistence (JPA) 1.0 Timeout ms ( int milliseconds ) Specify ... Jakarta Persistence (JPA) Class jakarta. persistence .Timeout java.lang.Object ∟ jakarta. persistence

with columnDefinition . Default: "" Since: Jakarta Persistence (JPA) 3 .2 int length (Optional) The column length ... Jakarta Persistence (JPA) Annotation Type jakarta. persistence .DiscriminatorColumn Implemented ... DiscriminatorType Since: Jakarta Persistence (JPA) 1.0 Annotation Elements String name (Optional) The name

which can be extracted from a LocalTime . Since: Jakarta Persistence (JPA) 3 .2 Public Static Fields HOUR The hour ... Jakarta Persistence (JPA) Class jakarta. persistence .criteria.LocalTimeField java.lang.Object ∟ jakarta. persistence .criteria.LocalTimeField Type Parameters: - the resulting type of the extracted

via the EntityTransaction interface. Since: Jakarta Persistence (JPA) 3 .2 Enum Constants JTA ... Jakarta Persistence (JPA) Enum jakarta. persistence .PersistenceUnitTransactionType java.lang.Object ∟ java.lang.Enum ∟ jakarta. persistence .PersistenceUnitTransactionType Implemented Interfaces

: "" Since: Jakarta Persistence (JPA) 3 .2 Additional JDK methods inherited from java.lang.annotation ... Jakarta Persistence (JPA) Annotation Type jakarta. persistence .Index Implemented Interfaces ... CollectionTable JoinTable TableGenerator Since: Jakarta Persistence (JPA) 2.1 Annotation Elements String

Jakarta Persistence (JPA) Annotation Type jakarta. persistence .Convert Implemented Interfaces ... ; } Example 3 : Disable conversion in the presence of an autoapply converter @Convert ... GenericEmployee { ... } See Also: Converter Converts Basic Since: Jakarta Persistence (JPA) 2.1 Annotation

by the SQL query. Default: LockModeType.OPTIMISTIC Since: Jakarta Persistence (JPA) 3 .2 FieldResult ... Jakarta Persistence (JPA) Annotation Type jakarta. persistence .EntityResult Implemented Interfaces ... NamedNativeQuery Since: Jakarta Persistence (JPA) 1.0 Annotation Elements Class entityClass

(Expression, Nulls) CriteriaBuilder.desc(Expression, Nulls) Since: Jakarta Persistence (JPA) 3 .2 Enum ... Jakarta Persistence (JPA) Enum jakarta. persistence .criteria.Nulls java.lang.Object ∟ java.lang.Enum ∟ jakarta. persistence .criteria.Nulls Implemented Interfaces: Constable , Comparable , Serializable

: the precedence of null values . Since: Jakarta Persistence (JPA) 3 .2 boolean isAscending ... Jakarta Persistence (JPA) Interface jakarta. persistence .criteria.Order An object that defines an ordering over the query results. Since: Jakarta Persistence (JPA) 2.0 The ORDER BY clause (JPQL

() Since: Jakarta Persistence (JPA) 3 .2 Public Constructors SchemaValidationException ( String message ... Jakarta Persistence (JPA) Class jakarta. persistence .SchemaValidationException java.lang.Object ∟ java.lang.Throwable ∟ java.lang.Exception ∟ jakarta. persistence .SchemaValidationException Implemented

. Default: "" Since: Jakarta Persistence (JPA) 3 .2 Additional JDK methods inherited from java.lang ... Jakarta Persistence (JPA) Annotation Type jakarta. persistence .UniqueConstraint Implemented ... Persistence (JPA) 1.0 Annotation Elements String name (Optional) The name of the constraint. Defaults

) Since: Jakarta Persistence (JPA) 3 .2 Public Instance Methods Map getHints () A map keyed by hint name of all hints specified via NamedQuery.hints or NamedNativeQuery.hints . Since: Jakarta Persistence (JPA) 1 ... Jakarta Persistence (JPA) Interface jakarta. persistence .TypedQueryReference Type Parameters

Jakarta Persistence (JPA) Annotation Type jakarta. persistence .AttributeOverride Implemented ... protected Address address; ... } Example 3 : @Entity public class PropertyRecord { @EmbeddedId protected ... AssociationOverride Since: Jakarta Persistence (JPA) 1.0 Annotation Elements String name (Required) The name

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 ... = "students") @OrderBy // ordering by primary key is assumed public List getCourses() { ... } ... } Example 3

Jakarta Persistence (JPA) Annotation Type jakarta. persistence .MapKeyClass Implemented Interfaces ... ; ... } Example 3 : @Entity public class Company { @Id int id; ... @OneToMany(targetEntity = com ... Persistence (JPA) 2.0 Annotation Elements Class value (Required) The type of the map key

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

below the form: Persistence is managed by JPA. Every visitor that has signed the guestbook is represented ... for Java EE Developers. GlassFish Server 3 .0.1 (or above). The last version of ObjectDB (just download and extract). The tutorial was written for Eclipse 3 .6.1 but it should work with other Eclipse versions

Transaction (as shown in section 5. 3 ) or at the PersistenceManagerFactory level as a default ... .getRestoreValues(); Transaction modes are discussed in section 5. 3 , which deals with transactions. 5 ... that at some level a proper try-catch block exists. 5. 3   javax.jdo.Transaction The javax.jdo