EventUserPlacegroupPredicate.java
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/*
* Copyright Codecrew Ry
*
* All rights reserved.
*
* This license applies to any software containing a notice placed by the
* copyright holder. Such software is herein referred to as the Software.
* This license covers modification, distribution and use of the Software.
*
* Any distribution and use in source and binary forms, with or without
* modification is not permitted without explicit written permission from the
* copyright owner.
*
* A non-exclusive royalty-free right is granted to the copyright owner of the
* Software to use, modify and distribute all modifications to the Software in
* future versions of the Software.
*
*/
package fi.codecrew.moya.facade.callbacks;
import java.util.List;
import javax.persistence.criteria.CriteriaBuilder;
import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.criteria.Path;
import javax.persistence.criteria.Predicate;
import fi.codecrew.moya.model.EventUser;
import fi.codecrew.moya.model.EventUser_;
import fi.codecrew.moya.utilities.jpa.FacadeCallback;
public class EventUserPlacegroupPredicate implements FacadeCallback<EventUser> {
@Override
public void exec(CriteriaBuilder cb, CriteriaQuery<?> cq, Path<EventUser> root, List<Predicate> predicates) {
predicates.add(cb.isNotEmpty(root.get(EventUser_.groupMemberships)));
}
}