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isNotMember(elem, collection) - JPA CriteriaBuilder's method

Predicate isNotMember(
  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.
elem - element
collection - expression
is-not-member predicate
JPA 2.0

This documentation page is derived (with some adjustments) from the open source JPA 2 RI (EclipseLink)
and is available under the terms of the Eclipse Public License, v. 1.0 and Eclipse Distribution License, v. 1.0.
Object Relational Mapping (ORM) JPA 2 providers include Hibernate, EclipseLink, TopLink, OpenJPA and DataNucleus.
ObjectDB is not an ORM JPA implementation but an Object Database for Java with built in JPA 2 support.