--- a/artifacts/src/main/java/org/dive4elements/river/artifacts/model/fixings/QWI.java	Thu Aug 16 15:47:10 2018 +0200
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/model/fixings/QWI.java	Thu Aug 16 16:27:53 2018 +0200
@@ -8,70 +8,49 @@
 
 package org.dive4elements.river.artifacts.model.fixings;
 
-import org.dive4elements.river.artifacts.model.QW;
-
+import java.io.Serializable;
 import java.util.Date;
 
-public class QWI
-extends      QW
-{
-    protected String  description;
-    protected Date    date;
-    protected boolean interpolated;
-    protected int     index;
+public class QWI implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    private Date date;
+
+    private double q;
+
+    private double w;
+
+    private boolean interpolated;
 
     public QWI() {
     }
 
-    public QWI(double q, double w) {
-        super(q, w);
+    public QWI(final double q, final double w) {
+        this.q = q;
+        this.w = w;
     }
 
-    public QWI(
-        double  q,
-        double  w,
-        String  description,
-        Date    date,
-        boolean interpolated,
-        int     index
-    ) {
-        super(q, w);
-        this.description  = description;
-        this.date         = date;
+    public QWI(final double q, final double w, final Date date, final boolean interpolated) {
+        this.q = q;
+        this.w = w;
+        this.date = date;
         this.interpolated = interpolated;
-        this.index        = index;
     }
 
     public Date getDate() {
-        return date;
+        return this.date;
     }
 
-    public void setDate(Date date) {
-        this.date = date;
+    public double getQ() {
+        return this.q;
     }
 
-    public String getDescription() {
-        return description;
-    }
-
-    public void setDescription(String description) {
-        this.description = description;
+    public double getW() {
+        return this.w;
     }
 
     public boolean getInterpolated() {
-        return interpolated;
-    }
-
-    public void setInterpolated(boolean interpolated) {
-        this.interpolated = interpolated;
+        return this.interpolated;
     }
-
-    public int getIndex() {
-        return index;
-    }
-
-    public void setIndex(int index) {
-        this.index = index;
-    }
-}
-// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
+}
\ No newline at end of file