Home » Search

About JPA

101-110 of 200Refresh
JPA Doc
18

javax.persistence.criteria.Root

always reference entities. Since: JPA 2.0 Learn how to use JPA criteria API's Root in Chapter 4 of the ObjectDB/JPA manual. Selection alias(String name) Assigns an alias to the selection item. Assigns ... selection item. Parameters: name - alias Returns: selection item Since: JPA 2.0 Expression as
JPA Doc
18

javax.persistence.TypedQuery

the execution of typed queries. Since: JPA 2.0 See Also: Query Parameter Learn how to define and use JPA/JPQL queries in Chapter 4 of the ObjectDB/JPA manual. int executeUpdate() Execute an update or delete ... and the transaction is rolled back Since: JPA 1.0 int getFirstResult() The position of the first result the query
JPA Doc
18

javax.persistence.criteria.From

belonging to the type. Since: JPA 2.0 Selection alias(String name) Assigns an alias to the selection ... . Returns the same selection item. Parameters: name - alias Returns: selection item Since: JPA 2.0 ... Since: JPA 2.0 Fetch fetch(String attributeName) Create a fetch join to the specified attribute using
JPA Doc
18

javax.persistence.criteria.Subquery

to subqueries. A subquery has an expression as its selection item. Since: JPA 2.0 Selection alias(String ... Returns: selection item Since: JPA 2.0 Expression as(Class type) Perform a typecast ... : new expression of the given type Since: JPA 2.0 Root correlate( Root parentRoot) Create
JPA Doc
17

javax.persistence.metamodel.EntityType

, ManagedType, Type Instances of the type EntityType represent entity types. Since: JPA 2.0 ... Since: JPA 2.0 Set< Attribute> getAttributes() Return the attributes of the managed type. Return the attributes of the managed type. Returns: attributes of the managed type Since: JPA 2.0 Class
JPA Doc
17

javax.persistence.EntityManager

database. Since: JPA 1.0 See Also: Query TypedQuery CriteriaQuery PersistenceContext Learn how to use EntityManager in Chapter 3 of the ObjectDB/JPA manual. void clear() Clear the persistence context ... be persisted. Since: JPA 1.0 void close() Close an application-managed entity manager. Close
JPA Doc
17

javax.persistence.metamodel.IdentifiableType

entity or mapped superclass types. Since: JPA 2.0 Attribute getAttribute(String name) Return ... of the given name is not present in the managed type Since: JPA 2.0 Set< Attribute> getAttributes ... of the managed type Since: JPA 2.0 CollectionAttribute getCollection(String name) Return
JPA Doc
17

javax.persistence.metamodel.MappedSuperclassType

types. Since: JPA 2.0 Attribute getAttribute(String name) Return the attribute of the managed type ... the managed type Since: JPA 2.0 Set< Attribute> getAttributes() Return the attributes ... Since: JPA 2.0 CollectionAttribute getCollection(String name) Return the Collection-valued attribute
JPA Doc
17

javax.persistence.Query

execution. Since: JPA 1.0 See Also: TypedQuery Parameter Learn how to define and use JPA/JPQL queries in Chapter 4 of the ObjectDB/JPA manual. int executeUpdate() Execute an update or delete statement ... back Since: JPA 1.0 int getFirstResult() The position of the first result the query object was set
Result
17

ObjectDB Object Database Features

support of the JPA and JDO APIs. Fundamental features of relational databases (e.g. primary keys, derived ... for JPA 2. Java Persistence API (JPA) Most features of JPA 2 are supported. Support for remaining ... (requires login). Performance and Speed ObjectDB is extremely fast - much faster than any other JPA