--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/artifacts/src/main/java/org/dive4elements/river/jfree/XYMetaDataset.java	Wed May 21 11:35:09 2014 +0200
@@ -0,0 +1,32 @@
+/* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
+ * Software engineering by Intevation GmbH
+ *
+ * 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.jfree;
+
+import java.util.Map;
+
+import org.dive4elements.artifacts.Artifact;
+import org.dive4elements.artifacts.CallContext;
+
+
+public interface XYMetaDataset
+{
+
+    /**
+     * The meta data for this data set.
+     */
+    Map<String, String> getMetaData();
+
+    /**
+     * Add meta data for this data set.
+     */
+    void putMetaData(
+        Map<String, String> metaData,
+        Artifact artifact,
+        CallContext context);
+}