--- a/flys-backend/src/main/java/de/intevation/flys/importer/ImportElevationModel.java	Wed Apr 11 13:12:52 2012 +0000
+++ b/flys-backend/src/main/java/de/intevation/flys/importer/ImportElevationModel.java	Thu Apr 12 10:42:46 2012 +0000
@@ -1,17 +1,59 @@
 package de.intevation.flys.importer;
 
+import java.util.List;
+
+import org.apache.log4j.Logger;
+
+import org.hibernate.Session;
+import org.hibernate.Query;
+
+import de.intevation.flys.model.ElevationModel;
 
 
 public class ImportElevationModel {
 
+    private static final Logger log =
+        Logger.getLogger(ImportElevationModel.class);
+
     protected String name;
 
     protected ImportUnit unit;
 
+    protected ElevationModel peer;
+
 
     public ImportElevationModel(String name, ImportUnit unit) {
         this.name = name;
         this.unit = unit;
     }
+
+
+    public void storeDependencies() {
+        ElevationModel model = getPeer();
+    }
+
+    public ElevationModel getPeer() {
+        if (peer == null) {
+            Session session = ImporterSession.getInstance().getDatabaseSession();
+            Query query = session.createQuery(
+                "from ElevationModel where " +
+                "name=:name and unit=:unit");
+            query.setParameter("name", name);
+            query.setParameter("unit", unit.getPeer());
+            List<ElevationModel> models = query.list();
+
+            if (models.isEmpty()) {
+                log.info("Create new ElevationModel DB instance.");
+
+                peer = new ElevationModel(name, unit.getPeer());
+                session.save(peer);
+            }
+            else {
+                peer = models.get(0);
+            }
+        }
+
+        return peer;
+    }
 }
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