# HG changeset patch
# User Ingo Weinzierl <ingo.weinzierl@intevation.de>
# Date 1302875182 0
# Node ID 8a4360ccbe1cd49da9a8e3bd91a204c5249bc343
# Parent  8f40a57229c3e0b203071dc511a37438deebbcca
Added a WstFactory to return Wst objects.

flys-artifacts/trunk@1706 c6561f87-3c4e-4783-a992-168aeb5c3f6f

diff -r 8f40a57229c3 -r 8a4360ccbe1c flys-artifacts/ChangeLog
--- a/flys-artifacts/ChangeLog	Fri Apr 15 13:37:51 2011 +0000
+++ b/flys-artifacts/ChangeLog	Fri Apr 15 13:46:22 2011 +0000
@@ -1,3 +1,8 @@
+2011-04-15  Ingo Weinzierl <ingo@intevation.de>
+
+	* src/main/java/de/intevation/flys/artifacts/model/WstFactory.java:
+	  New. Returns Wst object - based on a river.
+
 2011-04-15  Ingo Weinzierl <ingo@intevation.de>
 
 	* src/main/java/de/intevation/flys/artifacts/FLYSArtifact.java: Now
diff -r 8f40a57229c3 -r 8a4360ccbe1c flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/WstFactory.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/WstFactory.java	Fri Apr 15 13:46:22 2011 +0000
@@ -0,0 +1,41 @@
+package de.intevation.flys.artifacts.model;
+
+import java.util.List;
+
+import de.intevation.flys.backend.SessionHolder;
+import de.intevation.flys.model.River;
+import de.intevation.flys.model.Wst;
+
+import org.hibernate.Query;
+import org.hibernate.Session;
+
+/**
+ * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
+ */
+public class WstFactory {
+
+    /** We don't need to instantiate concrete objects of this class. */
+    private WstFactory() {
+    }
+
+
+    /**
+     * Returns the Wst object for a given river.
+     *
+     * @param river The river.
+     *
+     * @return the Wst of <i>river</i>.
+     */
+    public static Wst getWst(River river) {
+        Session session = SessionHolder.HOLDER.get();
+
+        Query query = session.createQuery(
+            "from Wst where river=:river");
+        query.setParameter("river", river);
+
+        List<Wst> wst = query.list();
+
+        return (wst != null && wst.size() > 0) ? wst.get(0) : null;
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :