--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-backend/src/main/java/de/intevation/flys/importer/ImportWaterlevel.java	Fri Apr 20 08:16:39 2012 +0000
@@ -0,0 +1,85 @@
+package de.intevation.flys.importer;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.log4j.Logger;
+
+import org.hibernate.Session;
+import org.hibernate.Query;
+
+import de.intevation.flys.model.River;
+import de.intevation.flys.model.Unit;
+import de.intevation.flys.model.Waterlevel;
+
+
+public class ImportWaterlevel {
+
+    private static final Logger log = Logger.getLogger(ImportWaterlevel.class);
+
+
+    private ImportUnit unit;
+
+    private String description;
+
+    private List<ImportWaterlevelQRange> qRanges;
+
+    private Waterlevel peer;
+
+
+    public ImportWaterlevel(ImportUnit unit, String description) {
+        this.qRanges = new ArrayList<ImportWaterlevelQRange>();
+
+        this.unit        = unit;
+        this.description = description;
+    }
+
+
+    public void storeDependencies(River river) {
+        Waterlevel peer = getPeer(river);
+
+        int i = 0;
+
+        for (ImportWaterlevelQRange qRange: qRanges) {
+            qRange.storeDependencies(peer);
+            i++;
+        }
+
+        log.info("stored " + i + " waterlevel q ranges");
+    }
+
+
+    public Waterlevel getPeer(River river) {
+        Unit u = unit != null ? unit.getPeer() : null;
+        if (u == null) {
+            log.warn("skip invalid waterlevel - no unit set!");
+            return null;
+        }
+
+        if (peer == null) {
+            Session session = ImporterSession.getInstance().getDatabaseSession();
+            Query query = session.createQuery(
+                "from Waterlevel where " +
+                "   river=:river and " +
+                "   unit=:unit and " +
+                "   description=:description"
+            );
+
+            query.setParameter("river", river);
+            query.setParameter("unit", u);
+            query.setParameter("description", description);
+
+            List<Waterlevel> wsts = query.list();
+            if (wsts.isEmpty()) {
+                peer = new Waterlevel(river, u, description);
+                session.save(peer);
+            }
+            else {
+                peer = wsts.get(0);
+            }
+        }
+
+        return peer;
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :