LanEventDomainFacade.java
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package fi.insomnia.bortal.facade;
import javax.ejb.LocalBean;
import javax.ejb.Stateless;
import javax.persistence.TypedQuery;
import javax.persistence.criteria.CriteriaBuilder;
import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.criteria.Path;
import javax.persistence.criteria.Root;
import fi.insomnia.bortal.model.LanEventDomain;
import fi.insomnia.bortal.model.LanEventDomain_;
import fi.insomnia.bortal.model.LanEvent_;
@Stateless
@LocalBean
public class LanEventDomainFacade extends IntegerPkGenericFacade<LanEventDomain> {
public LanEventDomainFacade() {
super(LanEventDomain.class);
}
public LanEventDomain findByDomain(String hostname) {
if (hostname == null)
{
return null;
}
CriteriaBuilder cb = getEm().getCriteriaBuilder();
CriteriaQuery<LanEventDomain> cq = cb.createQuery(LanEventDomain.class);
Root<LanEventDomain> root = cq.from(LanEventDomain.class);
Path<String> domainPath = root.get(LanEventDomain_.domain);
cq.where(cb.like(cb.lower(domainPath), "%" + hostname.toLowerCase().trim()));
cq.orderBy(cb.asc(root.get(LanEventDomain_.overridePriority)), cb.desc(root.get(LanEventDomain_.event).get(LanEvent_.startTime)), cb.asc(cb.length(root.get(LanEventDomain_.domain))));
TypedQuery<LanEventDomain> query = getEm().createQuery(cq);
query.setMaxResults(1);
return super.getSingleNullableResult(query);
}
}