--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/backend/src/main/java/org/dive4elements/river/importer/sinfo/importitem/CollisionKmLineImport.java	Tue Apr 03 10:18:30 2018 +0200
@@ -0,0 +1,73 @@
+/* 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.Collision;
+import org.dive4elements.river.model.sinfo.CollisionValue;
+import org.hibernate.Query;
+import org.hibernate.Session;
+
+/**
+ * Imported collision event of a river station.
+ *
+ * @author Matthias Schäfer
+ *
+ */
+public class CollisionKmLineImport extends AbstractKmLineImport<Collision, CollisionValue> {
+
+    /***** FIELDS *****/
+
+    private final CollisionTypeImport collisionType;
+
+    private final Date eventDate;
+
+    private final String gaugeName;
+
+    private final double gaugeW;
+
+
+    /***** CONSTRUCTOR *****/
+
+    public CollisionKmLineImport(final Double km, final CollisionTypeImport collisionType, final Date eventDate, final String gaugeName, final double gaugeW) {
+        super(km.doubleValue());
+        this.collisionType = collisionType;
+        this.eventDate = eventDate;
+        this.gaugeName = gaugeName;
+        this.gaugeW = gaugeW;
+    }
+
+
+    /***** METHODS *****/
+
+    @Override
+    protected CollisionValue queryValueItem(final Session session, final Collision parent) {
+        final Query query = session.createQuery("FROM CollisionValue WHERE (collision=:parent) AND (eventDate=:eventdate)"
+                + " AND (station BETWEEN (:station-0.0001) AND (:station+0.0001))");
+        query.setParameter("parent", parent);
+        query.setParameter("station", this.station);
+        query.setParameter("eventdate", this.eventDate);
+        final List rows = query.list();
+        if (!rows.isEmpty())
+            return (CollisionValue) rows.get(0);
+        else
+            return null;
+    }
+
+
+    @Override
+    protected CollisionValue createValueItem(final Collision parent) {
+        return new CollisionValue(parent, this.station, this.collisionType.getPeer(), this.eventDate, this.gaugeName, this.gaugeW);
+    }
+}