CompoFacade.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;
import java.util.ArrayList;
import java.util.List;
import javax.ejb.EJB;
import javax.ejb.LocalBean;
import javax.ejb.Stateless;
import javax.persistence.criteria.CriteriaBuilder;
import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.criteria.Predicate;
import javax.persistence.criteria.Root;
import fi.codecrew.moya.beans.EventBeanLocal;
import fi.codecrew.moya.model.Compo;
import fi.codecrew.moya.model.Compo_;
@Stateless
@LocalBean
public class CompoFacade extends IntegerPkGenericFacade<Compo> {
@EJB
private EventBeanLocal eventbean;
public CompoFacade() {
super(Compo.class);
}
public List<Compo> getList(boolean showHidden) {
CriteriaBuilder cb = getEm().getCriteriaBuilder();
CriteriaQuery<Compo> cq = cb.createQuery(Compo.class);
Root<Compo> root = cq.from(Compo.class);
ArrayList<Predicate> preds = new ArrayList<>();
preds.add(cb.equal(root.get(Compo_.event), eventbean.getCurrentEvent()));
if (!showHidden) {
preds.add(cb.isFalse(root.get(Compo_.hidden)));
}
cq.where(preds.toArray(new Predicate[preds.size()]));
cq.orderBy(cb.desc(root.get(Compo_.startTime)));
List<Compo> ret = getEm().createQuery(cq).getResultList();
return ret;
}
}