Mercurial > lada > lada-server
view src/main/java/de/intevation/lada/validation/rules/ort/IsUnique.java @ 1244:86ef81592f67
Implement negation of query filter closer to underlying API.
Previously andNot() negated the whole filter and it's usage in
IsUnique was actually a misunderstanding. Having not() as in
javax.persistence.criteria.Predicate seems to be more intuitive for
negating the whole filter and more flexible.
author | Tom Gottfried <tom@intevation.de> |
---|---|
date | Fri, 16 Dec 2016 12:06:34 +0100 |
parents | a0968660a4c5 |
children |
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/* Copyright (C) 2013 by Bundesamt fuer Strahlenschutz * Software engineering by Intevation GmbH * * This file is Free Software under the GNU GPL (v>=3) * and comes with ABSOLUTELY NO WARRANTY! Check out * the documentation coming with IMIS-Labordaten-Application for details. */ package de.intevation.lada.validation.rules.ort; import javax.inject.Inject; import de.intevation.lada.model.stammdaten.Ort; import de.intevation.lada.util.annotation.RepositoryConfig; import de.intevation.lada.util.data.QueryBuilder; import de.intevation.lada.util.data.Repository; import de.intevation.lada.util.data.RepositoryType; import de.intevation.lada.validation.Violation; import de.intevation.lada.validation.annotation.ValidationRule; import de.intevation.lada.validation.rules.Rule; @ValidationRule("Ort") public class IsUnique implements Rule { @Inject @RepositoryConfig(type=RepositoryType.RO) private Repository repository; @Override public Violation execute(Object object) { Ort ort = (Ort)object; QueryBuilder<Ort> builder = new QueryBuilder<Ort>( repository.entityManager("stamm"), Ort.class); if (ort.getId() != null) { // Consider UPDATE builder.and("id", ort.getId()).not(); } builder.and("netzbetreiberId", ort.getNetzbetreiberId()); builder.and("ortId", ort.getOrtId()); if (!repository.filterPlain(builder.getQuery(), "stamm").isEmpty()) { Violation violation = new Violation(); violation.addError("ortId", 672); return violation; } return null; } }