LanEventDomainFacade.java 2.01 KB
/*
 * 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 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.codecrew.moya.model.LanEventDomain_;
import fi.codecrew.moya.model.LanEvent_;
import fi.codecrew.moya.model.LanEventDomain;

@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);
	}
}