--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/WQKms.java	Fri Sep 28 12:14:39 2012 +0200
@@ -0,0 +1,123 @@
+package de.intevation.flys.artifacts.model;
+
+import gnu.trove.TDoubleArrayList;
+
+import org.apache.log4j.Logger;
+
+
+/**
+ * This class represents a pool of data triples that consists of 'W', 'Q' and
+ * 'KM' data.
+ *
+ * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
+ */
+public class WQKms
+extends      WQ
+implements   WKms
+{
+    private static Logger logger = Logger.getLogger(WQKms.class);
+
+    /** The array that contains the 'KMs' values. */
+    protected TDoubleArrayList kms;
+
+
+    public WQKms() {
+        this("");
+    }
+
+
+    public WQKms(String name) {
+        super(name);
+        this.kms = new TDoubleArrayList();
+    }
+
+
+    public WQKms(int capacity) {
+        this(capacity, "");
+    }
+
+
+    public WQKms(int capacity, String name) {
+        super(capacity, name);
+        this.kms = new TDoubleArrayList(capacity);
+    }
+
+    public WQKms(double [] kms, double [] qs, double [] ws) {
+        this(kms, qs, ws, "");
+    }
+
+
+    public WQKms(double [] kms, double [] qs, double [] ws, String name) {
+        super(qs, ws, name);
+        this.kms = new TDoubleArrayList(kms);
+    }
+
+    @Override
+    public void removeNaNs() {
+        removeNaNs(new TDoubleArrayList [] { ws, qs, kms });
+    }
+
+    /**
+     * Adds a new row to this data pool.
+     *
+     * @param w a W.
+     * @param q a Q.
+     * @param km a kms.
+     */
+    public void add(double w, double q, double km) {
+        super.add(w, q);
+        kms.add(km);
+    }
+
+    @Override
+    public double [] get(int idx) {
+        return get(idx, new double [3]);
+    }
+
+    /**
+     * This method returns a triple of W, Q and Kms in a single 3dim array.
+     *
+     * @param idx The position of the triple.
+     * @param dst destination array
+     *
+     * @return a triple of [W, Q, Kms] in dst.
+     */
+    @Override
+    public double [] get(int idx, double [] dst) {
+        dst[0] = ws .getQuick(idx);
+        dst[1] = qs .getQuick(idx);
+        dst[2] = kms.getQuick(idx);
+        return dst;
+    }
+
+    @Override
+    public double getKm(int idx) {
+        return kms.getQuick(idx);
+    }
+
+    @Override
+    public TDoubleArrayList allKms() {
+        return kms;
+    }
+
+    @Override
+    public TDoubleArrayList allWs() {
+        return ws;
+    }
+
+    public double[] getKms() {
+        return kms.toNativeArray();
+    }
+
+    /**
+     * Returns a string that consist of the first and last kilometer.
+     *
+     * @return a string that consist of the first and last kilometer.
+     */
+    public String toString() {
+        double from = getKm(0);
+        double to   = getKm(size()-1);
+        return from + " - " + to;
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :