HelpTextFacade.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 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.Root;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import fi.codecrew.moya.enums.ValidLocale;
import fi.codecrew.moya.model.HelpText;
import fi.codecrew.moya.model.HelpText_;
import fi.codecrew.moya.model.Help_;
/**
* Created by tuukka on 19/12/15.
*/
@Stateless
@LocalBean
public class HelpTextFacade extends IntegerPkGenericFacade<HelpText> {
private static final Logger logger = LoggerFactory.getLogger(HelpTextFacade.class);
public HelpTextFacade() {
super(HelpText.class);
}
public HelpText find(String path, ValidLocale locale) {
CriteriaBuilder cb = getEm().getCriteriaBuilder();
CriteriaQuery<HelpText> cq = cb.createQuery(HelpText.class);
Root<HelpText> root = cq.from(HelpText.class);
cq.where(
cb.and(cb.equal(root.get(HelpText_.help).get(Help_.path), path),
cb.equal(root.get(HelpText_.locale), locale))
);
TypedQuery<HelpText> query = getEm().createQuery(cq);
query.setMaxResults(1);
return super.getSingleNullableResult(query);
}
}