--- a/flys-backend/src/main/java/de/intevation/flys/importer/ImportWst.java	Wed Mar 23 10:46:58 2011 +0000
+++ b/flys-backend/src/main/java/de/intevation/flys/importer/ImportWst.java	Wed Mar 23 15:22:32 2011 +0000
@@ -1,17 +1,74 @@
 package de.intevation.flys.importer;
 
 import de.intevation.flys.model.Wst;
+import de.intevation.flys.model.River;
+
+import org.hibernate.Session;
+import org.hibernate.Query;
+
+import java.util.List;
+import java.util.Map;
+import java.util.HashMap;
 
 public class ImportWst
 {
+    protected String description;
+
+    protected Map<String, ImportWstColumn> columns;
+
     protected Wst peer;
 
     public ImportWst() {
+        columns = new HashMap<String, ImportWstColumn>();
     }
 
-    public Wst getPeer() {
+    public ImportWst(String description) {
+        this();
+        this.description = description;
+    }
+
+    public String getDescription() {
+        return description;
+    }
+
+    public void setDescription(String description) {
+        this.description = description;
+    }
+
+    public ImportWstColumn getColumn(String name) {
+        ImportWstColumn column = columns.get(name);
+        if (column == null) {
+            column = new ImportWstColumn(this, name, null);
+            columns.put(name, column);
+        }
+        return column;
+    }
+
+    public void storeDependencies(River river) {
+        Wst wst = getPeer(river);
+
+        for (ImportWstColumn column: columns.values()) {
+            column.storeDependencies(river);
+        }
+    }
+
+    public Wst getPeer(River river) {
         if (peer == null) {
-            // TODO: Implement me!
+            Session session = Importer.sessionHolder.get();
+            Query query = session.createQuery(
+                "from Wst where " +
+                "river=:river and description=:description");
+            query.setParameter("river",       river);
+            query.setParameter("description", description);
+            List<Wst> wsts = query.list();
+            if (wsts.isEmpty()) {
+                peer = new Wst(river, description);
+                session.save(peer);
+            }
+            else {
+                peer = wsts.get(0);
+            }
+
         }
         return peer;
     }