--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-backend/src/main/java/de/intevation/flys/importer/ImportFlowVelocityMeasurement.java	Tue Apr 17 12:00:13 2012 +0000
@@ -0,0 +1,80 @@
+package de.intevation.flys.importer;
+
+import java.sql.SQLException;
+import java.util.List;
+
+import org.apache.log4j.Logger;
+
+import org.hibernate.Session;
+import org.hibernate.Query;
+import org.hibernate.exception.ConstraintViolationException;
+
+import de.intevation.flys.model.FlowVelocityMeasurement;
+import de.intevation.flys.model.River;
+
+
+public class ImportFlowVelocityMeasurement {
+
+    private static final Logger log =
+        Logger.getLogger(ImportFlowVelocityMeasurement.class);
+
+
+    private String description;
+
+    private List<ImportFlowVelocityMeasurementValue> values;
+
+    private FlowVelocityMeasurement peer;
+
+
+    public ImportFlowVelocityMeasurement() {
+        this(null);
+    }
+
+
+    public ImportFlowVelocityMeasurement(String description) {
+        this.description = description;
+    }
+
+
+    public void storeDependencies(River river)
+    throws SQLException, ConstraintViolationException
+    {
+        log.debug("store dependencies");
+
+        FlowVelocityMeasurement peer = getPeer(river);
+
+        for (ImportFlowVelocityMeasurementValue value: values) {
+            value.storeDependencies(peer);
+        }
+    }
+
+
+    public FlowVelocityMeasurement getPeer(River river) {
+        if (peer == null) {
+            Session session = ImporterSession.getInstance().getDatabaseSession();
+
+            Query query = session.createQuery(
+                "from FlowVelocityMeasurement where " +
+                "   river:=river and " +
+                "   description:=description"
+            );
+
+            query.setParameter("river", river);
+            query.setParameter("description", description);
+
+            List<FlowVelocityMeasurement> measurement = query.list();
+
+            if (measurement.isEmpty()) {
+                peer = new FlowVelocityMeasurement(river, description);
+
+                session.save(peer);
+            }
+            else {
+                peer = measurement.get(0);
+            }
+        }
+
+        return peer;
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :