--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/FixingsOverviewFactory.java	Sun Feb 19 17:14:39 2012 +0000
@@ -0,0 +1,60 @@
+package de.intevation.flys.artifacts.model;
+
+import de.intevation.flys.artifacts.cache.CacheFactory;
+
+import de.intevation.flys.backend.SessionHolder;
+
+import net.sf.ehcache.Cache;
+import net.sf.ehcache.Element;
+
+import org.apache.log4j.Logger;
+
+import org.hibernate.Session;
+
+public class FixingsOverviewFactory
+{
+    private static Logger log = Logger.getLogger(FixingsOverviewFactory.class);
+
+    public static final String CACHE_NAME = "fixings-overviews";
+
+    private FixingsOverviewFactory() {
+    }
+
+
+    public static FixingsOverview getOverview(String river) {
+
+        log.debug("Looking for fixings overview for river '" + river + "'");
+
+        Cache cache = CacheFactory.getCache(CACHE_NAME);
+
+        if (cache == null) {
+            return getUncached(river);
+        }
+
+        String key = "fix-over-" + river;
+
+        Element element = cache.get(key);
+
+        if (element != null) {
+            return (FixingsOverview)element.getValue();
+        }
+
+        FixingsOverview overview = getUncached(river);
+
+        if (overview != null) {
+            element = new Element(key, overview);
+            cache.put(element);
+        }
+
+        return overview;
+    }
+
+    public static FixingsOverview getUncached(String river) {
+        FixingsOverview overview = new FixingsOverview(river);
+
+        Session session = SessionHolder.HOLDER.get();
+
+        return overview.load(session) ? overview : null;
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :