sascha@151: package de.intevation.flys.artifacts.model;
sascha@151: 
sascha@151: import java.util.List;
sascha@151: import java.util.ArrayList;
sascha@151: 
sascha@151: import de.intevation.flys.backend.SessionFactoryProvider;
sascha@151: 
sascha@151: import de.intevation.flys.model.River;
sascha@151: import de.intevation.flys.model.Gauge;
sascha@151: import de.intevation.flys.model.Range;
sascha@151: 
sascha@151: import org.hibernate.SessionFactory;
sascha@151: import org.hibernate.Session;
sascha@151: import org.hibernate.Query;
sascha@151: 
sascha@151: public class GaugesFactory
sascha@151: {
sascha@151:     public static List<Gauge> getGauges(River river) {
sascha@151:         return getGauges(river.getName());
sascha@151:     }
sascha@151: 
sascha@151:     public static List<Gauge> getGauges(String river) {
sascha@151:         SessionFactory sf = SessionFactoryProvider.getSessionFactory();
sascha@151:         Session session = sf.openSession();
sascha@151:         try {
sascha@151:             Query query = session.createQuery(
sascha@151:                 "from Gauge where river.name=:name");
sascha@151:             query.setParameter("name", river);
sascha@151:             return query.list();
sascha@151:         }
sascha@151:         finally {
sascha@151:             session.close();
sascha@151:         }
sascha@151:     }
sascha@151: 
sascha@151:     public static List<Gauge> filterRanges(
sascha@151:         List<Gauge>     gauges,
sascha@151:         List<double []> ranges
sascha@151:     ) {
sascha@151:         // XXX: Inefficent!
sascha@151:         ArrayList<Range> rs = new ArrayList<Range>();
sascha@151:         for (double [] range: ranges) {
sascha@151:             double a = range[0];
sascha@151:             double b = range[1];
sascha@151:             rs.add(new Range(Math.min(a, b), Math.max(a, b), null));
sascha@151:         }
sascha@151:         return filter(gauges, rs);
sascha@151:     }
sascha@151: 
sascha@151:     public static List<Gauge> filter(List<Gauge> gauges, List<Range> ranges) {
sascha@151:         // TODO: Make it an HQL filter!
sascha@151:         ArrayList<Gauge> out = new ArrayList<Gauge>();
sascha@151:         for (Gauge gauge: gauges) {
sascha@151:             Range range = gauge.getRange();
sascha@151:             for (Range cmp: ranges) {
sascha@151:                 if (range.intersects(cmp)) {
sascha@151:                     out.add(gauge);
sascha@151:                     break;
sascha@151:                 }
sascha@151:             }
sascha@151:         }
sascha@151:         return out;
sascha@151:     }
sascha@151: }
sascha@151: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :