--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/backend/src/main/java/org/dive4elements/river/importer/ImportWstColumnQRange.java	Mon Jan 20 14:04:20 2014 +0100
@@ -0,0 +1,77 @@
+/* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
+ * Software engineering by Intevation GmbH
+ *
+ * This file is Free Software under the GNU AGPL (>=v3)
+ * and comes with ABSOLUTELY NO WARRANTY! Check out the
+ * documentation coming with Dive4Elements River for details.
+ */
+
+package org.dive4elements.river.importer;
+
+import org.dive4elements.river.model.WstColumnQRange;
+import org.dive4elements.river.model.WstQRange;
+import org.dive4elements.river.model.WstColumn;
+import org.dive4elements.river.model.River;
+
+import org.hibernate.Session;
+import org.hibernate.Query;
+
+import java.util.List;
+
+public class ImportWstColumnQRange
+{
+    protected ImportWstColumn wstColumn;
+    protected ImportWstQRange qRange;
+
+    protected WstColumnQRange peer;
+
+    public ImportWstColumnQRange() {
+    }
+
+    public ImportWstColumnQRange(
+        ImportWstColumn wstColumn,
+        ImportWstQRange qRange
+    ) {
+        this.wstColumn = wstColumn;
+        this.qRange    = qRange;
+    }
+
+    public ImportWstColumn getWstColumn() {
+        return wstColumn;
+    }
+
+    public void setWstColumn(ImportWstColumn wstColumn) {
+        this.wstColumn = wstColumn;
+    }
+
+    public ImportWstQRange getQRange() {
+        return qRange;
+    }
+
+    public void setQRange(ImportWstQRange qRange) {
+        this.qRange = qRange;
+    }
+
+    public WstColumnQRange getPeer(River river) {
+        if (peer == null) {
+            WstColumn c = wstColumn.getPeer(river);
+            WstQRange q = qRange.getPeer(river);
+            Session session = ImporterSession.getInstance().getDatabaseSession();
+            Query query = session.createQuery(
+                "from WstColumnQRange where " +
+                "wstColumn=:c and wstQRange=:q");
+            query.setParameter("c", c);
+            query.setParameter("q", q);
+            List<WstColumnQRange> cols = query.list();
+            if (cols.isEmpty()) {
+                peer = new WstColumnQRange(c, q);
+                session.save(peer);
+            }
+            else {
+                peer = cols.get(0);
+            }
+        }
+        return peer;
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :