--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/backend/src/main/java/org/dive4elements/river/importer/ImportHYK.java	Thu Apr 25 15:23:37 2013 +0200
@@ -0,0 +1,80 @@
+package org.dive4elements.river.importer;
+
+import org.dive4elements.river.model.HYK;
+import org.dive4elements.river.model.River;
+
+import java.util.List;
+import java.util.ArrayList;
+
+import org.hibernate.Session;
+import org.hibernate.Query;
+
+import org.apache.log4j.Logger;
+
+public class ImportHYK
+{
+    private static Logger log = Logger.getLogger(ImportHYK.class);
+
+    protected ImportRiver river;
+    protected String      description;
+
+    protected List<ImportHYKEntry> entries;
+
+    protected HYK peer;
+
+    public ImportHYK() {
+        entries = new ArrayList<ImportHYKEntry>();
+    }
+
+    public ImportHYK(ImportRiver river, String description) {
+        this();
+        this.river       = river;
+        this.description = description;
+    }
+
+    public ImportRiver getRiver() {
+        return river;
+    }
+
+    public void setRiver(ImportRiver river) {
+        this.river = river;
+    }
+
+    public void addEntry(ImportHYKEntry entry) {
+        entries.add(entry);
+        entry.setHYK(this);
+    }
+
+    public void storeDependencies() {
+        log.info("store HYK '" + description + "'");
+        getPeer();
+        for (int i = 0, N = entries.size(); i < N; ++i) {
+            ImportHYKEntry entry = entries.get(i);
+            log.info("  store km " + entry.getKm() +
+                " (" + (i+1) + " of " + N + ")");
+            entry.storeDependencies();
+        }
+    }
+
+    public HYK getPeer() {
+        if (peer == null) {
+            River r = river.getPeer();
+            Session session = ImporterSession.getInstance()
+                .getDatabaseSession();
+            Query query = session.createQuery(
+                "from HYK where river=:river and description=:description");
+            query.setParameter("river", r);
+            query.setParameter("description", description);
+            List<HYK> hyks = query.list();
+            if (hyks.isEmpty()) {
+                peer = new HYK(r, description);
+                session.save(peer);
+            }
+            else {
+                peer = hyks.get(0);
+            }
+        }
+        return peer;
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :