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4

javax.persistence.metamodel.SetAttribute

for the attribute. Returns: persistent attribute type Since: JPA 2.0 boolean isAssociation() Is the attribute an association. Is the attribute an association. Returns: boolean indicating whether the attribute corresponds to an association Since: JPA 2.0 boolean isCollection() Is the attribute collection
3

isBound(param)

Method javax.persistence.Query boolean isBound( Parameter<?> param ) Return a boolean indicating whether a value has been bound to the parameter. Parameters: param - parameter object Returns: boolean indicating whether parameter has been bound Since: JPA 2.0
3

where(restriction)

Method javax.persistence.criteria.CriteriaQuery CriteriaQuery<T> where( Expression<Boolean> restriction ) Modify the query to restrict the query result according to the specified boolean expression ... of the corresponding AbstractQuery method. Parameters: restriction - a simple or compound boolean expression Returns: the modified query Since: JPA 2.0
3

where(restriction)

Method javax.persistence.criteria.AbstractQuery AbstractQuery<T> where( Expression<Boolean> restriction ) Modify the query to restrict the query results according to the specified boolean expression ... compound boolean expression Returns: the modified query Since: JPA 2.0
3

where(restriction)

Method javax.persistence.criteria.Subquery Subquery<T> where( Expression<Boolean> restriction ) Modify the subquery to restrict the result according to the specified boolean expression. Replaces ... of the corresponding AbstractQuery method. Parameters: restriction - a simple or compound boolean expression Returns: the modified subquery Since: JPA 2.0
3

javax.persistence.EntityManager

manager is container-managed Since: JPA 1.0 boolean contains(Object entity) Check if the instance ... instance Returns: boolean indicating if entity is in persistence context Throws: IllegalArgumentException ... boolean isOpen() Determine whether the entity manager is open. Determine whether the entity manager
3

or(x, y)

Method javax.persistence.criteria.CriteriaBuilder Predicate or( Expression<T> x, Expression<T> y ) Create a disjunction of the given boolean expressions. Parameters: x - boolean expression y - boolean expression Returns: or predicate Since: JPA 2.0
3

and(x, y)

Method javax.persistence.criteria.CriteriaBuilder Predicate and( Expression<T> x, Expression<T> y ) Create a conjunction of the given boolean expressions. Parameters: x - boolean expression y - boolean expression Returns: and predicate Since: JPA 2.0
3

javax.persistence.OrderColumn

: "" Since: JPA 2.0 boolean insertable (Optional) Whether the column is included in SQL INSERT ... : "" Since: JPA 2.0 boolean nullable (Optional) Whether the database column is nullable. (Optional) Whether the database column is nullable. Default value: true Since: JPA 2.0 boolean updatable (Optional
0

getObjectsById(oids, validate)

Method javax.jdo.PersistenceManager Object[] getObjectsById( Object[] oids, boolean validate ) Return the objects with the given oids. Parameters: oids - the oids of the objects to return validate ... that were looked up, in the same order as the oids parameter. Since: JDO 2.0 See Also: getObjectById(Object,boolean) getObjectsById(boolean,Object...)

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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