--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/backend/src/main/java/org/dive4elements/river/importer/sinfo/importitem/DailyDischargeDayLineImport.java	Tue Apr 03 10:18:30 2018 +0200
@@ -0,0 +1,64 @@
+/* Copyright (C) 2017 by Bundesanstalt für Gewässerkunde
+ * Software engineering by
+ *  Björnsen Beratende Ingenieure GmbH
+ *  Dr. Schumacher Ingenieurbüro für Wasser und Umwelt
+ *
+ * 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.sinfo.importitem;
+
+import java.util.Date;
+import java.util.List;
+
+import org.dive4elements.river.importer.common.AbstractKmLineImport;
+import org.dive4elements.river.model.sinfo.DailyDischarge;
+import org.dive4elements.river.model.sinfo.DailyDischargeValue;
+import org.hibernate.Query;
+import org.hibernate.Session;
+
+/**
+ * Imported daily discharge of a gauge.
+ *
+ * @author Matthias Schäfer
+ *
+ */
+public class DailyDischargeDayLineImport extends AbstractKmLineImport<DailyDischarge, DailyDischargeValue> {
+
+    /***** FIELDS *****/
+
+    private final Date day;
+
+    private final Double discharge;
+
+
+    /***** CONSTRUCTOR *****/
+
+    public DailyDischargeDayLineImport(final Date day, final Double discharge) {
+        super(Double.NaN);
+        this.day = day;
+        this.discharge = discharge;
+    }
+
+    /***** METHODS *****/
+
+    @Override
+    protected DailyDischargeValue queryValueItem(final Session session, final DailyDischarge parent) {
+        final Query query = session.createQuery("FROM DailyDischargeValue WHERE (DailyDischarge=:parent) AND (day=:day)");
+        query.setParameter("parent", parent);
+        query.setParameter("day", this.day);
+        final List rows = query.list();
+        if (!rows.isEmpty())
+            return (DailyDischargeValue) rows.get(0);
+        else
+            return null;
+    }
+
+
+    @Override
+    protected DailyDischargeValue createValueItem(final DailyDischarge parent) {
+        return new DailyDischargeValue(parent, this.day, this.discharge);
+    }
+}