--- a/artifacts/src/main/java/org/dive4elements/river/jfree/StyledTimeSeries.java	Mon Oct 22 18:26:05 2018 +0200
+++ b/artifacts/src/main/java/org/dive4elements/river/jfree/StyledTimeSeries.java	Tue Oct 23 16:26:48 2018 +0200
@@ -11,7 +11,7 @@
 import java.awt.Shape;
 
 import org.dive4elements.river.themes.ThemeDocument;
-
+import org.jfree.chart.LegendItem;
 import org.jfree.data.time.TimeSeries;
 
 /**
@@ -19,25 +19,35 @@
  */
 public class StyledTimeSeries extends TimeSeries implements StyledSeries {
 
-    private Style style;
+    private static final long serialVersionUID = 1L;
 
-    public StyledTimeSeries(String key, ThemeDocument theme) {
+    private final Style style;
+
+    private final String themeType;
+
+    public StyledTimeSeries(final String themeType, final String key, final ThemeDocument theme) {
+        this(themeType, key, theme, null);
+    }
+
+    public StyledTimeSeries(final String themeType, final String key, final ThemeDocument theme, final Shape shape) {
         super(key);
-        setStyle(new XYStyle(theme));
-    }
-    
-    public StyledTimeSeries(String key, ThemeDocument theme, Shape shape) {
-        super(key);
-        setStyle(new XYStyle(theme, shape));
+
+        this.style = new XYStyle(theme, shape);
+        this.themeType = themeType;
     }
 
     @Override
-    public void setStyle(Style style) {
-        this.style = style;
+    public String getThemeType() {
+        return this.themeType;
     }
 
     @Override
     public Style getStyle() {
-        return style;
+        return this.style;
+    }
+
+    @Override
+    public void applyAggregatedLegendTheme(final LegendItem item, final ThemeDocument theme) {
+        this.style.applyAggregatedLegendTheme(item, theme);
     }
 }
\ No newline at end of file