raimund@785: /* Copyright (C) 2013 by Bundesamt fuer Strahlenschutz
raimund@785:  * Software engineering by Intevation GmbH
raimund@785:  *
raimund@785:  * This file is Free Software under the GNU GPL (v>=3)
raimund@785:  * and comes with ABSOLUTELY NO WARRANTY! Check out
raimund@785:  * the documentation coming with IMIS-Labordaten-Application for details.
raimund@785:  */
raimund@785: package de.intevation.lada.validation.rules.status;
raimund@785: 
raimund@785: import java.util.List;
raimund@785: 
raimund@785: import javax.inject.Inject;
raimund@785: 
tom@1097: import org.apache.log4j.Logger;
tom@1097: 
tom@1097: import de.intevation.lada.model.land.StatusProtokoll;
tom@1097: import de.intevation.lada.model.stammdaten.StatusReihenfolge;
raimund@785: import de.intevation.lada.util.annotation.RepositoryConfig;
raimund@785: import de.intevation.lada.util.data.QueryBuilder;
raimund@785: import de.intevation.lada.util.data.Repository;
raimund@785: import de.intevation.lada.util.data.RepositoryType;
raimund@785: import de.intevation.lada.validation.Violation;
raimund@785: import de.intevation.lada.validation.annotation.ValidationRule;
raimund@785: import de.intevation.lada.validation.rules.Rule;
raimund@785: 
raimund@785: /**
raimund@785:  * Validation rule for status.
raimund@785:  *
raimund@785:  * @author <a href="mailto:rrenkert@intevation.de">Raimund Renkert</a>
raimund@785:  */
raimund@785: @ValidationRule("Status")
raimund@785: public class StatusFolge implements Rule {
raimund@785: 
tom@1097:     @Inject Logger logger;
tom@1097: 
raimund@785:     @Inject
raimund@785:     @RepositoryConfig(type=RepositoryType.RO)
raimund@785:     private Repository repository;
raimund@785: 
raimund@785:     @Override
raimund@785:     public Violation execute(Object object) {
tom@1097:         StatusProtokoll status = (StatusProtokoll)object;
raimund@785: 
raimund@785:         // Get the previous status
tom@1097:         QueryBuilder<StatusProtokoll> lastFilter =
tom@1097:             new QueryBuilder<StatusProtokoll>(
raimund@785:                     repository.entityManager("land"),
tom@1097:                     StatusProtokoll.class);
raimund@785: 
raimund@785:         lastFilter.and("messungsId", status.getMessungsId());
raimund@785:         lastFilter.orderBy("datum", true);
tom@1097:         List<StatusProtokoll> protos =
raimund@785:             repository.filterPlain(lastFilter.getQuery(), "land");
raimund@794:         if (protos.isEmpty()) {
raimund@794:             return null;
raimund@794:         }
tom@1097:         StatusProtokoll last = protos.get(protos.size() - 1);
raimund@785:         QueryBuilder<StatusReihenfolge> folgeFilter =
raimund@785:             new QueryBuilder<StatusReihenfolge>(
raimund@785:                 repository.entityManager("stamm"),
raimund@785:                 StatusReihenfolge.class);
tom@1097:         folgeFilter.and("vonId", last.getStatusKombi());
tom@1097:         folgeFilter.and("zuId", status.getStatusKombi());
raimund@785:         List<StatusReihenfolge> reihenfolge =
raimund@785:             repository.filterPlain(folgeFilter.getQuery(), "stamm");
raimund@785:         if (reihenfolge.isEmpty()) {
raimund@785:             Violation violation = new Violation();
raimund@785:             violation.addError("status", 632);
raimund@785:             return violation;
raimund@785:         }
raimund@785: 
raimund@785:         return null;
raimund@785:     }
raimund@785: }