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19

javax.persistence.criteria.ParameterExpression

Predicate in(Object... values) Create a predicate to test whether the expression is a member of the argument list. Create a predicate to test whether the expression is a member of the argument list. Parameters: values - values to be tested against Returns: predicate testing for membership
19

javax.persistence.criteria.CriteriaQuery

expressions Since: JPA 2.0 Predicate getGroupRestriction() Return the predicate that corresponds ... the predicate that corresponds to the restriction(s) over the grouping items, or null if no restrictions have been specified. Returns: having clause predicate Since: JPA 2.0 List<Order> getOrderList() Return
19

javax.persistence.criteria.MapJoin

the path or null if no parent. Returns: parent Since: JPA 2.0 Predicate in(Object... values) Create a predicate to test whether the expression is a member of the argument list. Create a predicate to test ... against Returns: predicate testing for membership Since: JPA 2.0 Predicate in(Collection<?> values
15

javax.persistence.criteria.AbstractQuery

expressions Since: JPA 2.0 Predicate getGroupRestriction() Return the predicate that corresponds ... the predicate that corresponds to the restriction(s) over the grouping items, or null if no restrictions have been specified. Returns: having clause predicate Since: JPA 2.0 Predicate getRestriction
12

Paths and Types in JPQL and Criteria API

is not Country. Predicate p = cb.notEqual(e.type(), cb.literal(Country.class)); In
12

GROUP BY and HAVING clauses

an Expression<Boolean> argument and the other having form takes a variable number of Predicate arguments
10

coalesce()

indicating whether the selection is a compound selection Since: JPA 2.0 Predicate isNotNull() Create a predicate to test whether the expression is not null. Create a predicate to test whether the expression is not null. Returns: predicate testing whether the expression is not null Since: JPA 2.0 Predicate
9

or(restrictions)

Method javax.persistence.criteria.CriteriaBuilder Predicate or( Predicate... restrictions ) Create a disjunction of the given restriction predicates. A disjunction of zero predicates is false. Parameters: restrictions - zero or more restriction predicates Returns: or predicate Since: JPA 2.0
9

and(restrictions)

Method javax.persistence.criteria.CriteriaBuilder Predicate and( Predicate... restrictions ) Create a conjunction of the given restriction predicates. A conjunction of zero predicates is true. Parameters: restrictions - zero or more restriction predicates Returns: and predicate Since: JPA 2.0
7

isNotMember(elem, collection)

Method javax.persistence.criteria.CriteriaBuilder Predicate isNotMember( Expression<E> elem, Expression<C> collection ) Create a predicate that tests whether an element is not a member of a collection. If the collection is empty, the predicate will be true. Parameters: elem - element expression

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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