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6

javax.persistence.criteria.PluralJoin

. For example: CriteriaQuery q = cb.createQuery(Person.class); Root ... . >get("nicknames"))); rather than: CriteriaQuery q = cb.createQuery(Person.class); Root
6

javax.persistence.criteria.SetJoin

the get operation in order to avoid the use of Path variables. For example: CriteriaQuery ... "))); rather than: CriteriaQuery q = cb.createQuery(Person.class); Root p = q.from(Person.class
6

javax.persistence.EntityManagerFactory

of CriteriaBuilder for the creation of CriteriaQuery objects. Return an instance of CriteriaBuilder for the creation of CriteriaQuery objects. Returns: CriteriaBuilder instance Throws
6

get(attributeName)

. For example: CriteriaQuery q = cb.createQuery(Person.class); Root p = q ... "))); rather than: CriteriaQuery q = cb.createQuery(Person.class); Root p = q.from
6

createQuery(resultClass)

Method javax.persistence.criteria.CriteriaBuilder CriteriaQuery<T> createQuery( Class<T> resultClass ) Create a CriteriaQuery object with the specified result type. Parameters: resultClass - type of the query result Returns: criteria query object Since: JPA 2.0
6

javax.persistence.criteria.AbstractQuery

javax.persistence.criteria Interface AbstractQuery<T> Subinterfaces: CriteriaQuery, Subquery The AbstractQuery interface defines functionality that is common to both top-level queries and subqueries ... for the CriteriaQuery or Subquery itself, including any subquery roots defined as a result
6

javax.persistence.criteria.CollectionJoin

. For example: CriteriaQuery q = cb.createQuery(Person.class); Root ... "))); rather than: CriteriaQuery q = cb.createQuery(Person.class); Root
4

getCriteriaBuilder()

Method javax.persistence.EntityManager CriteriaBuilder getCriteriaBuilder() Return an instance of CriteriaBuilder for the creation of CriteriaQuery objects. Returns: CriteriaBuilder instance Throws: IllegalStateException - if the entity manager has been closed Since: JPA 2.0
4

getRoots()

Method javax.persistence.criteria.AbstractQuery Set<Root<?>> getRoots() Return the query roots. These are the roots that have been defined for the CriteriaQuery or Subquery itself, including any subquery roots defined as a result of correlation. Returns empty set if no roots have been defined
4

getCriteriaBuilder()

Method javax.persistence.EntityManagerFactory CriteriaBuilder getCriteriaBuilder() Return an instance of CriteriaBuilder for the creation of CriteriaQuery objects. Returns: CriteriaBuilder instance Throws: IllegalStateException - if the entity manager factory has been closed Since: JPA 2.0

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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