--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/model/WstLine.java	Thu Apr 25 15:23:37 2013 +0200
@@ -0,0 +1,88 @@
+package org.dive4elements.river.artifacts.model;
+
+import gnu.trove.TDoubleArrayList;
+
+
+/**
+ * A model class that is used to store a line of a WST.
+ *
+ * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
+ */
+public class WstLine {
+
+    /** The kilometer value of the line.*/
+    protected double km;
+
+    /** The W values.*/
+    protected TDoubleArrayList ws;
+
+    /** The Q values.*/
+    protected TDoubleArrayList qs;
+
+
+    /**
+     * A constructor that builds a new WstLine for a specific kilometer.
+     *
+     * @param km The kilometer.
+     */
+    public WstLine(double km) {
+        this.km = km;
+        this.ws = new TDoubleArrayList();
+        this.qs = new TDoubleArrayList();
+    }
+
+
+    /**
+     * Adds a pair of W/Q to this line.
+     *
+     * @param w The W value.
+     * @param q The Q value.
+     */
+    public void add(double w, double q) {
+        ws.add(w);
+        qs.add(q);
+    }
+
+
+    /**
+     * Returns the kilometer of this line.
+     *
+     * @return the kilomter of this line.
+     */
+    public double getKm() {
+        return km;
+    }
+
+
+    /**
+     * Returns the W value at index <i>idx</i> of this line.
+     *
+     * @param idx The position of the desired W value.
+     *
+     * @return the W at position <i>idx</i>.
+     */
+    public double getW(int idx) {
+        return ws.size() > idx ? ws.get(idx) : -1d;
+    }
+
+
+    /**
+     * Returns the Q values of this line.
+     *
+     * @return the Q values of this line.
+     */
+    public double[] getQs() {
+        return qs.toNativeArray();
+    }
+
+
+    /**
+     * Returns the number of columns this line consists of.
+     *
+     * @return the columns this line consists of.
+     */
+    public int getSize() {
+        return qs.size();
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :