isNegated() - JPA Predicate's method

boolean isNegated()

Whether the predicate has been created from another predicate by applying the Predicate.not() method or the CriteriaBuilder.not() method.
boolean indicating if the predicate is a negated 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.